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Found: all in date 2018

Index includes 2712 messages. Sorted by date, recent messages first.

Re: Lunars during a Lunar Eclipse	Frank Reed	31 Dec 2018, 19:36
Re: Lunars during a Lunar Eclipse	Frank Reed	31 Dec 2018, 18:24
Re: Weems Second Setting Navigation Watch	Tony Oz	30 Dec 2018, 21:56
Re: Weems Second Setting Navigation Watch	Ed Popko	30 Dec 2018, 19:01
Re: 2019 Commercial Nautical Almanac Insert	Frank Reed	30 Dec 2018, 16:29
Re: 2019 Commercial Nautical Almanac Insert	D Maracle	30 Dec 2018, 15:03
Re: 2019 Commercial Nautical Almanac Insert	Robert Bernecky	30 Dec 2018, 14:38
Re: Weems Second Setting Navigation Watch	Rob Fraser	30 Dec 2018, 07:58
Re: Lunars during a Lunar Eclipse	Geoffrey Kolbe	30 Dec 2018, 07:01
Re: 2019 Commercial Nautical Almanac Insert	Frank Reed	30 Dec 2018, 03:20
2019 Commercial Nautical Almanac Insert	Doug MacPherson	30 Dec 2018, 02:59
Re: Lunars during a Lunar Eclipse	Ed Popko	29 Dec 2018, 20:01
Re: Lunars during a Lunar Eclipse	Brad Morris	29 Dec 2018, 18:09
Re: Lunars during a Lunar Eclipse	Robin Stuart	29 Dec 2018, 17:12
Re: Lunars during a Lunar Eclipse	Ed Popko	29 Dec 2018, 11:21
Re: Unexpected USNO height correction precepts	Mehmet Guzey	29 Dec 2018, 09:12
Re: Floating-Point 4-place Nat-Haversine Table	Tony Oz	29 Dec 2018, 07:51
Re: Floating-Point 4-place Nat-Haversine Table	Roger W. Sinnott	29 Dec 2018, 02:31
Re: Floating-Point 4-place Nat-Haversine Table	Tony Oz	28 Dec 2018, 16:58
Re: Floating-Point 4-place Nat-Haversine Table	Tony Oz	28 Dec 2018, 11:57
Re: Brown-Nassau CN Plotter or Spherical Computer	Alan S	28 Dec 2018, 01:03
Re: Geogebra?	Tony Oz	27 Dec 2018, 23:23
Re: Floating-Point 4-place Nat-Haversine Table	Roger W. Sinnott	27 Dec 2018, 20:30
Re: Floating-Point 4-place Nat-Haversine Table	Roger W. Sinnott	27 Dec 2018, 20:23
Re: Unexpected USNO height correction precepts	Frank Reed	27 Dec 2018, 20:23
Crossing Antarctica on Foot	Brad Morris	27 Dec 2018, 19:28
Re: Unexpected USNO height correction precepts	Frank Reed	27 Dec 2018, 18:51
Re: Geogebra?	Tony Oz	26 Dec 2018, 18:45
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Brad Morris	26 Dec 2018, 18:16
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Robin Stuart	26 Dec 2018, 12:59
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Brad Morris	25 Dec 2018, 19:52
Re: Geogebra?	Bill Lionheart	25 Dec 2018, 18:02
"Algebraisation" of the All-Haversine SR?	Tony Oz	25 Dec 2018, 17:46
Re: Unexpected USNO height correction precepts	Mehmet Guzey	25 Dec 2018, 16:29
Re: Geogebra?	Tony Oz	25 Dec 2018, 15:49
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Robin Stuart	25 Dec 2018, 15:48
Re: Unexpected USNO height correction precepts	Paul Hirose	24 Dec 2018, 23:50
Re: Watch error, watch rate: some problems to solve?	Brad Morris	24 Dec 2018, 19:49
Re: Yet another 4-place Nat-Haversine Table project?	Greg Rudzinski	24 Dec 2018, 18:33
Re: Geogebra?	Bob Goethe	24 Dec 2018, 18:01
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Mike Critchley	24 Dec 2018, 17:34
Re: Unexpected USNO height correction precepts	Mehmet Guzey	24 Dec 2018, 16:54
Re: Geogebra?	Brad Morris	24 Dec 2018, 15:36
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	24 Dec 2018, 15:35
Re: Brown-Nassau CN Plotter or Spherical Computer	Francis Upchurch	24 Dec 2018, 14:50
Re: Geogebra?	Brad Morris	24 Dec 2018, 14:42
Re: Watch error, watch rate: some problems to solve?	Tony Oz	24 Dec 2018, 14:32
Re: Floating-Point 4-place Nat-Haversine Table	Tony Oz	24 Dec 2018, 14:26
Re: Unexpected USNO height correction precepts	Paul Hirose	24 Dec 2018, 10:02
Re: Geogebra?	Paul Hughes	24 Dec 2018, 09:03
Re: Brown-Nassau CN Plotter or Spherical Computer	Alan S	24 Dec 2018, 03:48
Re: Watch error, watch rate: some problems to solve?	Robin Stuart	23 Dec 2018, 20:33
Re: Watch error, watch rate: some problems to solve?	Frank Reed	23 Dec 2018, 19:00
Re: Watch error, watch rate: some problems to solve?	Brad Morris	23 Dec 2018, 17:26
Re: Brown-Nassau CN Plotter or Spherical Computer	Robert VanderPol II	23 Dec 2018, 13:50
Re: Brown-Nassau CN Plotter or Spherical Computer	Francis Upchurch	23 Dec 2018, 11:16
Watch error, watch rate: some problems to solve?	Tony Oz	23 Dec 2018, 09:03
Re: Geogebra?	Tony Oz	23 Dec 2018, 08:55
Re: Degree Calculator	Sean C	23 Dec 2018, 07:22
Brown-Nassau CN Plotter or Spherical Computer	Alan S	23 Dec 2018, 05:04
Re: Degree Calculator	Alan S	23 Dec 2018, 04:34
Re: Degree Calculator	Paul Hirose	22 Dec 2018, 19:34
Re: Floating-Point 4-place Nat-Haversine Table	Roger W. Sinnott	22 Dec 2018, 16:46
Re: Floating-Point 4-place Nat-Haversine Table	Frank Reed	22 Dec 2018, 15:26
Re: Degree Calculator	Greg Rudzinski	22 Dec 2018, 13:27
Re: Unexpected USNO height correction precepts	Mehmet Guzey	22 Dec 2018, 08:30
Re: Degree Calculator	Sean C	22 Dec 2018, 04:41
Re: Geogebra?	Robert Bernecky	21 Dec 2018, 23:48
Re: Floating-Point 4-place Nat-Haversine Table	Roger W. Sinnott	21 Dec 2018, 23:46
Re: Geogebra?	Brad Morris	21 Dec 2018, 23:16
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Brad Morris	21 Dec 2018, 23:00
Re: Degree Calculator	Alan S	21 Dec 2018, 22:58
Re: Geogebra?	Lars Bergman	21 Dec 2018, 22:12
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Brad Morris	21 Dec 2018, 22:05
Re: Unexpected USNO height correction precepts	Paul Hirose	21 Dec 2018, 20:51
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Andrés Ruiz	21 Dec 2018, 20:26
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Robin Stuart	21 Dec 2018, 20:11
Re: Floating-Point 4-place Nat-Haversine Table	Tony Oz	21 Dec 2018, 19:45
Geogebra?	Tony Oz	21 Dec 2018, 18:03
Re: Floating-Point 4-place Nat-Haversine Table	Roger W. Sinnott	21 Dec 2018, 17:53
Re: Degree Calculator	Alan S	21 Dec 2018, 17:29
Re: Unexpected USNO height correction precepts	Mehmet Guzey	21 Dec 2018, 17:19
Re: Traditional navigation by slide rule	Bob Goethe	21 Dec 2018, 15:48
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Ed Popko	21 Dec 2018, 14:48
Re: Spur of the moment long by chron	Brian Walton	21 Dec 2018, 12:38
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Antoine Couëtte	21 Dec 2018, 09:50
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Tony Oz	21 Dec 2018, 08:45
Re: Degree Calculator	Sean C	21 Dec 2018, 05:25
Re: Traditional navigation by slide rule	Alan S	21 Dec 2018, 05:01
Re: Degree Calculator	Alan S	21 Dec 2018, 03:46
Re: Degree Calculator	Alan S	21 Dec 2018, 03:36
Re: Unexpected USNO height correction precepts	Paul Hirose	20 Dec 2018, 21:44
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Brad Morris	20 Dec 2018, 21:10
Navigation presentation, Princeton next month	Frank Reed	20 Dec 2018, 20:25
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Bruce J. Pennino	20 Dec 2018, 19:20
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Frank Reed	20 Dec 2018, 18:38
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Ed Popko	20 Dec 2018, 15:26
Re: Spur of the moment long by chron	David C	20 Dec 2018, 07:20
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Robin Stuart	19 Dec 2018, 21:31
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Marcel Tschudin	19 Dec 2018, 20:12
Re: Published, Shackleton and Worsley, Journey to South Georgia Island	Frank Reed	19 Dec 2018, 16:37
Re: Latitude from duration of day	Lars Bergman	19 Dec 2018, 15:30
Published, Shackleton and Worsley, Journey to South Georgia Island	Brad Morris	19 Dec 2018, 15:24
Re: Spur of the moment long by chron	David C	19 Dec 2018, 06:50
Re: Spur of the moment long by chron	David C	19 Dec 2018, 02:04
Re: Latitude from duration of day	Tony Oz	18 Dec 2018, 21:31
Re: Latitude from duration of day	Tony Oz	18 Dec 2018, 21:09
Re: Unexpected USNO height correction precepts	Mehmet Guzey	18 Dec 2018, 20:03
Re: Latitude from duration of day	Frank Reed	18 Dec 2018, 18:02
Re: Latitude from duration of day	Lars Bergman	18 Dec 2018, 16:44
Re: Latitude from duration of day	Tony Oz	18 Dec 2018, 15:35
Re: Spur of the moment long by chron	Brian Walton	18 Dec 2018, 12:45
Re: Spur of the moment long by chron	David C	17 Dec 2018, 23:54
Re: Spur of the moment long by chron	David C	17 Dec 2018, 23:47
Re: Latitude from duration of day	Greg Rudzinski	17 Dec 2018, 22:15
Latitude from duration of day	Tony Oz	17 Dec 2018, 19:44
Re: Spur of the moment long by chron	Frank Reed	17 Dec 2018, 18:36
Re: Spur of the moment long by chron	Frank Reed	17 Dec 2018, 18:11
Re: Spur of the moment long by chron	Frank Reed	17 Dec 2018, 17:59
Re: Spur of the moment long by chron	Lars Bergman	17 Dec 2018, 16:47
Re: Spur of the moment long by chron	Robin Stuart	17 Dec 2018, 15:42
Re: Spur of the moment long by chron	Tony Oz	17 Dec 2018, 09:18
Re: Emergency navigation: a Cruiserfix tool.	Tony Oz	17 Dec 2018, 09:08
Re: Spur of the moment long by chron	Frank Reed	17 Dec 2018, 06:19
Re: An Anti Spoof Pro Question	Frank Reed	17 Dec 2018, 03:43
Re: Emergency navigation: a Cruiserfix tool.	John Baum	17 Dec 2018, 03:20
Re: Spur of the moment long by chron	Greg Rudzinski	16 Dec 2018, 21:00
Re: Spur of the moment long by chron	David C	16 Dec 2018, 20:24
Re: Spur of the moment long by chron	David C	16 Dec 2018, 20:14
Re: The Improved Suns Table4 from HO249	Tony Oz	16 Dec 2018, 18:28
Re: Spur of the moment long by chron	Robin Stuart	16 Dec 2018, 12:53
Re: Spur of the moment long by chron	Greg Rudzinski	16 Dec 2018, 12:34
Re: Spur of the moment long by chron	Ed Popko	16 Dec 2018, 11:31
Re: Spur of the moment long by chron	Lars Bergman	16 Dec 2018, 11:07
Re: Spur of the moment long by chron	Brad Morris	16 Dec 2018, 09:49
Re: Spur of the moment long by chron	Tony Oz	16 Dec 2018, 08:05
Re: Spur of the moment long by chron	David C	16 Dec 2018, 04:10
Spur of the moment long by chron	David C	16 Dec 2018, 02:12
An Anti Spoof Pro Question	David Pike	15 Dec 2018, 23:00
Re: Floating-Point 4-place Nat-Haversine Table	Tony Oz	14 Dec 2018, 14:17
Re: Floating-Point 4-place Nat-Haversine Table	Tony Oz	13 Dec 2018, 19:58
Re: Floating-Point 4-place Nat-Haversine Table	Sean C	13 Dec 2018, 19:36
Re: Floating-Point 4-place Nat-Haversine Table	Ed Popko	13 Dec 2018, 11:06
Re: Floating-Point 4-place Nat-Haversine Table	Tony Oz	13 Dec 2018, 09:01
Modern Celestial, Boston, February	Frank Reed	13 Dec 2018, 03:46
Re: Sextant aboard the ISS	Brad Morris	12 Dec 2018, 21:31
Re: Floating-Point 4-place Nat-Haversine Table	Tony Oz	12 Dec 2018, 20:07
Re: Sextant aboard the ISS	Paul Dolkas	12 Dec 2018, 05:29
Re: Floating-Point 4-place Nat-Haversine Table	Greg Rudzinski	11 Dec 2018, 17:08
Re: Floating-Point 4-place Nat-Haversine Table	Tony Oz	11 Dec 2018, 13:04
Lunars during a Lunar Eclipse	Ed Popko	11 Dec 2018, 12:00
Re: Sextant aboard the ISS	Brad Morris	11 Dec 2018, 03:43
Sextant aboard the ISS	Frank Reed	11 Dec 2018, 01:48
Position fix by visual satellite observation	Frank Reed	11 Dec 2018, 00:34
Re: Floating-Point 4-place Nat-Haversine Table	Greg Rudzinski	10 Dec 2018, 23:04
Re: Floating-Point 4-place Nat-Haversine Table	Tony Oz	10 Dec 2018, 19:52
Re: Floating-Point 4-place Nat-Haversine Table	Tony Oz	10 Dec 2018, 16:51
Floating-Point 4-place Nat-Haversine Table	Tony Oz	10 Dec 2018, 15:26
Re: Yet another 4-place Nat-Haversine Table project?	Greg Rudzinski	10 Dec 2018, 12:31
Re: Yet another 4-place Nat-Haversine Table project?	Bill Lionheart	9 Dec 2018, 21:02
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	9 Dec 2018, 19:50
Re: Yet another 4-place Nat-Haversine Table project?	Greg Rudzinski	9 Dec 2018, 16:49
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	9 Dec 2018, 09:58
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	9 Dec 2018, 07:27
Re: Yet another 4-place Nat-Haversine Table project?	Brad Morris	8 Dec 2018, 22:07
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	8 Dec 2018, 07:30
Re: The Mark I at Harvard First Programmable Computer in the United States aka "Bessie"	max mulhern	7 Dec 2018, 23:07
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	7 Dec 2018, 21:36
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	7 Dec 2018, 21:33
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	7 Dec 2018, 21:24
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	7 Dec 2018, 21:21
Re: Yet another 4-place Nat-Haversine Table project?	Greg Rudzinski	7 Dec 2018, 21:05
Re: Yet another 4-place Nat-Haversine Table project?	Frank Reed	7 Dec 2018, 19:41
Re: Yet another 4-place Nat-Haversine Table project?	David Fleming	7 Dec 2018, 18:43
Re: Yet another 4-place Nat-Haversine Table project?	Greg Rudzinski	7 Dec 2018, 17:18
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	7 Dec 2018, 16:37
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	7 Dec 2018, 16:12
Re: Yet another 4-place Nat-Haversine Table project?	Greg Rudzinski	7 Dec 2018, 15:47
Re: Longterm Sun's GHA and Dec: what's under the hood?	Rafal O.	7 Dec 2018, 15:46
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	7 Dec 2018, 15:41
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	7 Dec 2018, 14:49
Re: The Mark I at Harvard First Programmable Computer in the United States aka "Bessie"	Ed Popko	7 Dec 2018, 12:10
Re: Longterm Sun's GHA and Dec: what's under the hood?	Greg Rudzinski	7 Dec 2018, 12:08
Re: Longterm Sun's GHA and Dec: what's under the hood?	Tony Oz	7 Dec 2018, 08:43
The Improved Suns Table4 from HO249	Herman Dekker	7 Dec 2018, 07:31
Re: Longterm Sun's GHA and Dec: what's under the hood?	Geoffrey Kolbe	7 Dec 2018, 07:16
The Mark I at Harvard First Programmable Computer in the United States aka "Bessie"	max mulhern	7 Dec 2018, 04:35
Re: Longterm Sun's GHA and Dec: what's under the hood?	Robert VanderPol II	7 Dec 2018, 02:44
Re: Longterm Sun's GHA and Dec: what's under the hood?	Greg Rudzinski	6 Dec 2018, 21:30
Longterm Sun's GHA and Dec: what's under the hood?	Tony Oz	6 Dec 2018, 19:59
Advanced Celestial Navigation Systems	Richard B. Langley	6 Dec 2018, 15:26
Re: Yet another 4-place Nat-Haversine Table project?	Greg Rudzinski	5 Dec 2018, 15:19
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	5 Dec 2018, 14:39
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	5 Dec 2018, 14:26
Re: Yet another 4-place Nat-Haversine Table project?	Greg Rudzinski	5 Dec 2018, 12:47
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	5 Dec 2018, 07:55
Re: Yet another 4-place Nat-Haversine Table project?	Herman Dekker	5 Dec 2018, 03:23
Re: Yet another 4-place Nat-Haversine Table project?	Greg Rudzinski	4 Dec 2018, 23:29
Re: Yet another 4-place Nat-Haversine Table project?	Greg Rudzinski	4 Dec 2018, 21:05
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	4 Dec 2018, 19:38
Re: Celestial Navigation on the surface of Mars	Frank Reed	4 Dec 2018, 17:59
Re: Yet another 4-place Nat-Haversine Table project?	Greg Rudzinski	4 Dec 2018, 17:28
CelNav for the TI-83	Andrés Ruiz	4 Dec 2018, 15:25
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	4 Dec 2018, 14:39
Re: Yet another 4-place Nat-Haversine Table project?	Tony Oz	4 Dec 2018, 10:47
Re: Jargon, terminology , words' meanings, etc.	David C	4 Dec 2018, 03:50
Re: Jargon, terminology , words' meanings, etc.	David C	4 Dec 2018, 03:09
Re: Jargon, terminology , words' meanings, etc.	Bill Lionheart	3 Dec 2018, 21:43
Re: Yet another 4-place Nat-Haversine Table project?	Roger W. Sinnott	3 Dec 2018, 21:38
Re: Jargon, terminology , words' meanings, etc.	Frank Reed	3 Dec 2018, 20:37
Re: Jargon, terminology , words' meanings, etc.	Jackson McDonald	3 Dec 2018, 20:25
Re: Jargon, terminology , words' meanings, etc.	Tony Oz	3 Dec 2018, 19:45
Yet another 4-place Nat-Haversine Table project?	Tony Oz	3 Dec 2018, 18:04
Re: Long Term Almanac for navigational stars	Frank Reed	3 Dec 2018, 17:28
Re: Long Term Almanac for navigational stars	Rafal O.	3 Dec 2018, 09:39
Re: Navigation jokes	Robert VanderPol II	3 Dec 2018, 06:14
Re: Degree Calculator	Paul Hirose	3 Dec 2018, 06:10
Re: Jargon, terminology , words' meanings, etc.	David C	3 Dec 2018, 04:12
Re: Long Term Almanac for navigational stars	Rafal O.	2 Dec 2018, 20:45
Re: Jargon, terminology , words' meanings, etc.	Bill Lionheart	2 Dec 2018, 20:25
Re: Degree Calculator	Tony Oz	2 Dec 2018, 19:18
Re: Jargon, terminology , words' meanings, etc.	Gary LaPook	2 Dec 2018, 18:30
Re: Jargon, terminology , words' meanings, etc.	Frank Reed	2 Dec 2018, 16:59
Re: Degree Calculator	Herman Dekker	2 Dec 2018, 10:05
Re: Longitude, the Bounty, and William Bligh	Geoffrey Kolbe	2 Dec 2018, 09:29
Re: Longitude, the Bounty, and William Bligh	Geoffrey Kolbe	2 Dec 2018, 08:55
Re: Longitude, the Bounty, and William Bligh	David C	2 Dec 2018, 03:29
Re: Longitude, the Bounty, and William Bligh	Don Seltzer	2 Dec 2018, 01:02
Re: Degree Calculator	Frank Reed	1 Dec 2018, 22:46
Re: Longitude, the Bounty, and William Bligh	Brad Morris	1 Dec 2018, 22:29
Re: Degree Calculator	Bob Goethe	1 Dec 2018, 21:37
Re: Longitude, the Bounty, and William Bligh	Charles McElhill	1 Dec 2018, 21:27
Re: Celestial Navigation on the surface of Mars	Frank Reed	1 Dec 2018, 20:51
Re: Celestial Navigation on the surface of Mars	Greg Rudzinski	1 Dec 2018, 13:45
Re: Celestial Navigation on the surface of Mars	Greg Rudzinski	1 Dec 2018, 12:46
Re: Jargon, terminology , words' meanings, etc.	Bill Lionheart	1 Dec 2018, 10:49
Re: Jargon, terminology , words' meanings, etc.	Paul Dolkas	1 Dec 2018, 05:51
Re: Celestial Navigation on the surface of Mars	Sean C	1 Dec 2018, 05:02
Re: Jargon, terminology , words' meanings, etc.	Frank Reed	1 Dec 2018, 03:43
Re: Jargon, terminology , words' meanings, etc.	Brad Morris	1 Dec 2018, 02:08
Re: Jargon, terminology , words' meanings, etc.	Frank Reed	1 Dec 2018, 02:05
Re: Celestial Navigation on the surface of Mars	Frank Reed	30 Nov 2018, 20:54
Re: Longitude, the Bounty, and William Bligh	Don Seltzer	30 Nov 2018, 19:56
Re: Celestial Navigation on the surface of Mars	Greg Rudzinski	30 Nov 2018, 19:01
Re: Celestial Navigation on the surface of Mars	Frank Reed	30 Nov 2018, 16:39
Re: Celestial Navigation on the surface of Mars	Greg Rudzinski	30 Nov 2018, 11:34
Jargon, terminology , words' meanings, etc.	Tony Oz	30 Nov 2018, 08:19
Re: Longitude, the Bounty, and William Bligh	Geoffrey Kolbe	30 Nov 2018, 07:34
Re: Celestial Navigation on the surface of Mars	John D. Howard	30 Nov 2018, 05:31
Re: Celestial Navigation on the surface of Mars	Frank Reed	30 Nov 2018, 03:20
Re: Using "hack" as a verb	Frank Reed	30 Nov 2018, 03:01
Re: Celestial Navigation on the surface of Mars	Greg Rudzinski	30 Nov 2018, 02:42
Re: Using "hack" as a verb	Roger W. Sinnott	29 Nov 2018, 21:45
Re: Marion-Bermuda Race 2019	Bill B	29 Nov 2018, 21:26
Longitude, the Bounty, and William Bligh	Charles McElhill	29 Nov 2018, 20:52
Re: Marion-Bermuda Race 2019	Frank Reed	29 Nov 2018, 20:50
Re: Marion-Bermuda Race 2019	Tony Oz	29 Nov 2018, 19:04
Re: Marion-Bermuda Race 2019	Tony Oz	29 Nov 2018, 19:01
Re: Marion-Bermuda Race 2019	Brad Morris	29 Nov 2018, 17:35
Marion-Bermuda Race 2019	Frank Reed	29 Nov 2018, 16:40
Re: Refraction, Cassini model	Roger W. Sinnott	29 Nov 2018, 13:24
Re: Heath Sextant P356 - reading the vernier scale	Geoffrey Kolbe	29 Nov 2018, 12:50
Re: Heath Sextant P356 - reading the vernier scale	Alexandre Eremenko	29 Nov 2018, 05:34
Re: Refraction, Cassini model	Paul Hirose	28 Nov 2018, 23:33
Re: Heath Sextant P356 - reading the vernier scale	Mike Critchley	28 Nov 2018, 22:13
Re: Harbor Markers	Eamonn Sparling	28 Nov 2018, 19:13
Re: Harbor Markers	Frank Reed	28 Nov 2018, 19:10
Re: Heath Sextant P356 - reading the vernier scale	Alexandre Eremenko	28 Nov 2018, 17:21
Heath Sextant P356 - reading the vernier scale	Mike Critchley	28 Nov 2018, 17:00
Re: Using "hack" as a verb	D Maracle	28 Nov 2018, 15:59
Searched for Casio fx-98, found this...	Tony Oz	28 Nov 2018, 15:33
Re: Bright Venus again	Antoine Couëtte	28 Nov 2018, 11:30
Re: Harbor Markers	David Pike	28 Nov 2018, 09:04
Re: Bright Venus again	Paul Hirose	28 Nov 2018, 07:19
Re: Harbor Markers	Brad Morris	28 Nov 2018, 02:42
Re: Degree Calculator	David C	28 Nov 2018, 02:13
Re: Refraction, Cassini model	Roger W. Sinnott	28 Nov 2018, 01:08
Re: Refraction, Cassini model	Paul Hirose	27 Nov 2018, 22:04
Re: Degree Calculator	Bob Goethe	27 Nov 2018, 18:48
Re: Harbor Markers	David Pike	27 Nov 2018, 17:54
Re: Bright Venus again	Antoine Couëtte	27 Nov 2018, 15:15
Re: Using "hack" as a verb	Wayne Hilliard	27 Nov 2018, 02:15
Re: Degree Calculator	Brad Morris	26 Nov 2018, 22:41
Re: Harbor Markers	Brad Morris	26 Nov 2018, 22:01
Re: Degree Calculator	David C	26 Nov 2018, 21:14
Re: Lindbergh-Weems Second-Setting Watch -- Notes on Design and Use	Brad Morris	26 Nov 2018, 20:57
Re: Using "hack" as a verb	David Pike	26 Nov 2018, 20:57
Re: Using "hack" as a verb	Frank Reed	26 Nov 2018, 20:46
Re: Harbor Markers	David Pike	26 Nov 2018, 20:34
Re: Using "hack" as a verb	Frank Reed	26 Nov 2018, 20:17
Re: Using "hack" as a verb	David C	26 Nov 2018, 19:45
Re: Optimum number of LOPs	Greg Rudzinski	26 Nov 2018, 15:07
Re: Degree Calculator	Brad Morris	26 Nov 2018, 13:52
Re: Harbor Markers	Bill Lionheart	26 Nov 2018, 13:20
Re: Bright Venus again	Bill Ritchie	26 Nov 2018, 11:05
Lindbergh-Weems Second-Setting Watch -- Notes on Design and Use	Ed Popko	26 Nov 2018, 10:59
Re: Using "hack" as a verb	David Pike	26 Nov 2018, 10:33
Re: Optimum number of LOPs	Bill Lionheart	26 Nov 2018, 09:39
Re: Degree Calculator	David C	26 Nov 2018, 08:38
Re: Optimum number of LOPs	Bill Lionheart	26 Nov 2018, 08:30
Re: Using "hack" as a verb	Jacob M. Huffman III	26 Nov 2018, 03:03
Re: Degree Calculator	David C	26 Nov 2018, 01:41
Re: Using "hack" as a verb	David C	26 Nov 2018, 01:17
Re: Using "hack" as a verb	David C	26 Nov 2018, 00:55
Re: Harbor Markers	John D. Howard	25 Nov 2018, 21:06
Re: Harbor Markers	Brad Morris	25 Nov 2018, 16:26
Re: Using "hack" as a verb	Jacob M. Huffman III	25 Nov 2018, 13:33
Re: Degree Calculator	Ed Popko	25 Nov 2018, 11:09
Re: Harbor Markers	Michael Bradley	25 Nov 2018, 09:02
Re: Using "hack" as a verb	Thomas Spidle	25 Nov 2018, 04:01
Re: Degree Calculator	Sean C	25 Nov 2018, 03:01
Re: Degree Calculator	David C	25 Nov 2018, 02:34
Re: Degree Calculator	David C	25 Nov 2018, 02:29
Re: Harbor Markers	John D. Howard	25 Nov 2018, 02:13
Re: Harbor Markers	Bruce J. Pennino	25 Nov 2018, 00:59
Re: Harbor Markers	Brad Morris	24 Nov 2018, 23:18
Modern Navigators Are Numb To The Universe	Paul Hirose	24 Nov 2018, 23:05
Harbor Markers	Eamonn Sparling	24 Nov 2018, 21:35
Re: Using "hack" as a verb	David C	24 Nov 2018, 21:05
Re: Using "hack" as a verb	Gary LaPook	24 Nov 2018, 19:39
Re: Using "hack" as a verb	John D. Howard	24 Nov 2018, 19:07
Degree Calculator	Bob Goethe	24 Nov 2018, 16:01
Using "hack" as a verb	Bob Goethe	24 Nov 2018, 15:38
Optimum number of LOPs	Bob Goethe	24 Nov 2018, 15:33
Re: Pub.249 Epoch 2020 is available.	Robin Stuart	24 Nov 2018, 13:35
Re: Declination and GHA: Nautical Almanac procedures	Frank Reed	23 Nov 2018, 18:04
Re: Russia blocked GPS data during NATO exercises: Norway	Tony Oz	23 Nov 2018, 11:48
Re: SNO-T "night" sight tube?	Alexandre Eremenko	23 Nov 2018, 06:47
Re: SNO-T "night" sight tube?	Brad Morris	23 Nov 2018, 03:35
Re: SNO-T "night" sight tube?	Alexandre Eremenko	23 Nov 2018, 01:11
Re: SNO-T "night" sight tube?	Brad Morris	22 Nov 2018, 21:46
Re: SNO-T "night" sight tube?	Bill Morris	22 Nov 2018, 19:53
Re: SNO-T "night" sight tube?	Tony Oz	22 Nov 2018, 19:31
Re: SNO-T "night" sight tube?	Brad Morris	22 Nov 2018, 12:23
Re: SNO-T "night" sight tube?	Alexandre Eremenko	21 Nov 2018, 22:38
Re: Quad regression for Lunar Distances?	Tony Oz	21 Nov 2018, 22:04
Re: Quad regression for Lunar Distances?	Frank Reed	21 Nov 2018, 16:03
Celestial Tools V5.8.0	Stan K	21 Nov 2018, 15:43
Re: Quad regression for Lunar Distances?	Tony Oz	21 Nov 2018, 15:04
Re: SNO-T "night" sight tube?	Tony Oz	21 Nov 2018, 08:43
Re: SNO-T "night" sight tube?	Gary LaPook	21 Nov 2018, 05:30
Re: "The Lonely Halls Meeting"	Richard Easton	21 Nov 2018, 02:08
Re: "The Lonely Halls Meeting"	Brad Morris	20 Nov 2018, 22:58
Re: Converting degrees-minutes to degrees and back	Paul Hirose	20 Nov 2018, 19:00
Re: SNO-T "night" sight tube?	Alexandre Eremenko	20 Nov 2018, 18:59
"The Lonely Halls Meeting"	Richard Easton	20 Nov 2018, 16:57
Re: Converting degrees-minutes to degrees and back	Brad Morris	20 Nov 2018, 13:54
Re: Quad regression for Lunar Distances?	Herman Dekker	20 Nov 2018, 12:26
Re: Geodesic versus great circle	Andrés Ruiz	20 Nov 2018, 09:46
Re: WWV tropical weather announcements	Richard B. Langley	20 Nov 2018, 09:26
Re: SNO-T "night" sight tube?	Tony Oz	20 Nov 2018, 08:28
Re: SNO-T "night" sight tube?	Tony Oz	20 Nov 2018, 08:13
Re: SNO-T "night" sight tube?	Alexandre Eremenko	20 Nov 2018, 01:41
Re: SNO-T "night" sight tube?	Paul Werner	19 Nov 2018, 20:39
Re: SNO-T "night" sight tube?	Tony Oz	19 Nov 2018, 18:16
Re: SNO-T "night" sight tube?	Paul Werner	19 Nov 2018, 17:37
Re: Quad regression for Lunar Distances?	Frank Reed	19 Nov 2018, 16:40
WWV tropical weather announcements	Frank Reed	19 Nov 2018, 16:37
Re: SNO-T "night" sight tube?	Tony Oz	19 Nov 2018, 16:03
Re: SNO-T "night" sight tube?	Alexandre Eremenko	19 Nov 2018, 15:54
Re: Geodesic versus great circle	Paul Hughes	19 Nov 2018, 14:29
SNO-T "night" sight tube?	Tony Oz	19 Nov 2018, 14:03
Re: Refraction, Cassini model	Antoine Couëtte	19 Nov 2018, 13:36
Re: Converting degrees-minutes to degrees and back	Brad Morris	19 Nov 2018, 12:35
Re: Converting degrees-minutes to degrees and back	David Pike	19 Nov 2018, 11:46
Converting degrees-minutes to degrees and back	Steve E. Bryant	19 Nov 2018, 03:42
Refraction, Cassini model	Paul Hirose	18 Nov 2018, 03:39
Re: Latitude by Talcott-Horrebow Method	Frank Reed	17 Nov 2018, 19:26
Re: Latitude by Talcott-Horrebow Method	Geoffrey Kolbe	17 Nov 2018, 19:20
Re: Bright Venus again	Peter Hakel	17 Nov 2018, 17:52
Re: Keyboard Sextant "Keycaps"	Tony Oz	17 Nov 2018, 17:41
Re: Keyboard Sextant "Keycaps"	Morfydd James	17 Nov 2018, 13:52
Re: Bright Venus again	Antoine Couëtte	17 Nov 2018, 07:59
Keyboard Sextant "Keycaps"	Sean C	17 Nov 2018, 06:40
Re: Geodesic versus great circle	Frank Reed	16 Nov 2018, 18:30
Geodesic versus great circle	Bill Lionheart	16 Nov 2018, 17:07
Long Term Almanac for navigational stars	Rafal O.	16 Nov 2018, 13:51
Re: Sexagesimal vs Degree-minute-tenths of minutes angles	John D. Howard	15 Nov 2018, 15:51
Re: Sexagesimal vs Degree-minute-tenths of minutes angles	Greg Rudzinski	15 Nov 2018, 15:39
Sexagesimal vs Degree-minute-tenths of minutes angles	Ed Popko	15 Nov 2018, 11:03
Re: A question about an Alan Jackson song	Stan K	15 Nov 2018, 01:11
Re: Russia blocked GPS data during NATO exercises: Norway	Geoffrey Kolbe	14 Nov 2018, 21:45
Re: Russia blocked GPS data during NATO exercises: Norway	Brad Morris	14 Nov 2018, 21:00
Re: A question about an Alan Jackson song	Stan K	14 Nov 2018, 17:52
Re: What is this display?	Morfydd James	14 Nov 2018, 17:30
Declination and GHA: Nautical Almanac procedures	Mike Freeman	14 Nov 2018, 16:34
Bright Venus again	Antoine Couëtte	14 Nov 2018, 07:43
Re: Russia blocked GPS data during NATO exercises: Norway	Sean C	14 Nov 2018, 03:55
Re: A question about an Alan Jackson song	Sean C	14 Nov 2018, 03:47
Re: A question about an Alan Jackson song	Brad Morris	14 Nov 2018, 01:59
A quick Mars lunar	Peter Hakel	14 Nov 2018, 01:59
Re: A question about an Alan Jackson song	Francis Upchurch	14 Nov 2018, 01:56
Re: A question about an Alan Jackson song	Stan K	13 Nov 2018, 23:14
Re: A question about an Alan Jackson song	Stan K	13 Nov 2018, 23:11
Re: A question about an Alan Jackson song	Roger W. Sinnott	13 Nov 2018, 22:17
Re: Russia blocked GPS data during NATO exercises: Norway	Tony Oz	13 Nov 2018, 21:14
Re: A question about an Alan Jackson song	Brad Morris	13 Nov 2018, 21:03
Re: A question about an Alan Jackson song	Brad Morris	13 Nov 2018, 19:33
Russia blocked GPS data during NATO exercises: Norway	Pete Solon Palmer	13 Nov 2018, 19:03
A question about an Alan Jackson song	Stan K	13 Nov 2018, 15:07
Re: Celestial Navigation on the surface of Mars	Greg Rudzinski	13 Nov 2018, 12:42
Re: What is this display?	Morfydd James	13 Nov 2018, 10:36
Re: What is this display?	Luc Van den Borre	13 Nov 2018, 10:27
Re: What is this display?	Frank Reed	13 Nov 2018, 06:30
Re: What is this display?	Morfydd James	13 Nov 2018, 02:47
Re: Astro Navigation at HMS Collingwood	Brad Morris	13 Nov 2018, 00:39
What is this display?	Frank Reed	12 Nov 2018, 22:37
Re: Astro Navigation at HMS Collingwood	Frank Reed	12 Nov 2018, 22:28
Re: Astro Navigation at HMS Collingwood	Peter Monta	12 Nov 2018, 22:12
Re: Celestial Navigation on the surface of Mars	John D. Howard	12 Nov 2018, 18:25
Re: Celestial Navigation on the surface of Mars	Frank Reed	12 Nov 2018, 16:57
Re: Celestial Navigation on the surface of Mars	John D. Howard	12 Nov 2018, 16:32
Re: Astro Navigation at HMS Collingwood	Frank Reed	12 Nov 2018, 15:44
Re: Astro Navigation at HMS Collingwood	Bill Lionheart	12 Nov 2018, 14:32
Re: Celestial Navigation on the surface of Mars	Greg Rudzinski	12 Nov 2018, 13:33
Horizon shades and an index microscope?	Tony Oz	12 Nov 2018, 09:01
Sextants' paint color?	Tony Oz	12 Nov 2018, 08:50
Re: Celestial Navigation on the surface of Mars	Robert VanderPol II	12 Nov 2018, 06:42
Re: Celestial Navigation on the surface of Mars	Greg Rudzinski	12 Nov 2018, 00:01
Re: Quad regression for Lunar Distances?	Lars Bergman	11 Nov 2018, 21:58
Re: Astro Navigation at HMS Collingwood	Bob Goethe	11 Nov 2018, 21:57
Re: Quad regression for Lunar Distances?	Frank Reed	11 Nov 2018, 19:53
Re: Celestial Navigation on the surface of Mars	Morfydd James	11 Nov 2018, 18:49
Re: Quad regression for Lunar Distances?	Robert Bernecky	11 Nov 2018, 18:48
Re: Celestial Navigation on the surface of Mars	Morfydd James	11 Nov 2018, 18:47
Re: Celestial Navigation on the surface of Mars	Frank Reed	11 Nov 2018, 18:03
Re: Celestial Navigation on the surface of Mars	John D. Howard	11 Nov 2018, 16:24
Re: Astro Navigation at HMS Collingwood	Brad Morris	11 Nov 2018, 16:21
Re: Celestial Navigation on the surface of Mars	Don Seltzer	11 Nov 2018, 15:20
Re: Celestial Navigation on the surface of Mars	Brad Morris	11 Nov 2018, 14:40
Astro Navigation at HMS Collingwood	Bill Lionheart	11 Nov 2018, 13:16
Re: Celestial Navigation on the surface of Mars	Greg Rudzinski	11 Nov 2018, 13:06
Re: Quad regression for Lunar Distances?	Lars Bergman	11 Nov 2018, 11:41
Re: Celestial Navigation on the surface of Mars	John D. Howard	11 Nov 2018, 04:03
Re: Celestial Navigation on the surface of Mars	Brad Morris	11 Nov 2018, 00:56
Re: Celestial Navigation on the surface of Mars	Paul Dolkas	11 Nov 2018, 00:41
Re: Celestial Navigation on the surface of Mars	Paul Dolkas	11 Nov 2018, 00:35
Re: Quad regression for Lunar Distances?	Robert Bernecky	10 Nov 2018, 22:58
Re: Celestial Navigation on the surface of Mars	Morfydd James	10 Nov 2018, 21:52
Re: Celestial Navigation on the surface of Mars	Brad Morris	10 Nov 2018, 17:15
Re: Celestial Navigation on the surface of Mars	Greg Rudzinski	10 Nov 2018, 15:42
Re: Celestial Navigation on the surface of Mars	Geoffrey Kolbe	10 Nov 2018, 14:53
Re: Celestial Navigation on the surface of Mars	Greg Rudzinski	10 Nov 2018, 14:23
Re: Zenith sun tomorrow and USN celestial software	John D. Howard	10 Nov 2018, 03:26
Re: Quad regression for Lunar Distances?	Paul Hirose	9 Nov 2018, 23:04
Re: DIY Davis prism directly on the mirror?	Bruce Cutting	9 Nov 2018, 19:45
Re: Zenith sun tomorrow and USN celestial software	Brad Morris	9 Nov 2018, 18:52
Re: Zenith sun tomorrow and USN celestial software	Frank Reed	9 Nov 2018, 18:15
Re: Life raft questions - knowing only GHA and sun's rising or setting	Derrick Young	9 Nov 2018, 18:06
Re: Zenith sun tomorrow and USN celestial software	Tony Oz	9 Nov 2018, 15:27
Re: Life raft questions - knowing only GHA and sun's rising or setting	Tony Oz	9 Nov 2018, 15:10
Re: Quad regression for Lunar Distances?	Lars Bergman	9 Nov 2018, 12:48
Re: Zenith sun tomorrow and USN celestial software	Greg Rudzinski	9 Nov 2018, 12:08
Re: Quad regression for Lunar Distances?	Lars Bergman	9 Nov 2018, 10:58
Re: Celestial Navigation on the surface of Mars	Andrés Ruiz	9 Nov 2018, 08:14
Re: Life raft questions - knowing only GHA and sun's rising or setting	Tony Oz	9 Nov 2018, 07:51
Re: Celestial Navigation on the surface of Mars	Andrés Ruiz	9 Nov 2018, 07:46
Re: DIY Davis prism directly on the mirror?	Tony Oz	9 Nov 2018, 07:45
Re: Latitude by Talcott-Horrebow Method	Paul Hirose	9 Nov 2018, 07:30
Re: Zenith sun tomorrow and USN celestial software	Brad Morris	9 Nov 2018, 05:22
Re: Quad regression for Lunar Distances?	Sean C	9 Nov 2018, 04:39
Zenith sun tomorrow and USN celestial software	Frank Reed	9 Nov 2018, 03:41
Re: DIY Davis prism directly on the mirror?	Brad Morris	9 Nov 2018, 03:31
Re: Life raft questions - knowing only GHA and sun's rising or setting	Brad Morris	9 Nov 2018, 02:09
Re: Time zone sign conventions	Steve E. Bryant	8 Nov 2018, 20:42
Re: Life raft questions - knowing only GHA and sun's rising or setting	Tony Oz	8 Nov 2018, 20:09
Re: Life raft questions - knowing only GHA and sun's rising or setting	Brad Morris	8 Nov 2018, 18:50
Re: Life raft questions - knowing only GHA and sun's rising or setting	Frank Reed	8 Nov 2018, 18:31
Re: Quad regression for Lunar Distances?	Frank Reed	8 Nov 2018, 18:30
Re: Life raft questions - knowing only GHA and sun's rising or setting	Tony Oz	8 Nov 2018, 16:00
Re: Celestial Navigation on the surface of Mars	Greg Rudzinski	8 Nov 2018, 13:57
Re: Celestial Navigation on the surface of Mars	Morfydd James	8 Nov 2018, 13:37
Re: Celestial Navigation on the surface of Mars	Brad Morris	8 Nov 2018, 13:35
Re: Celestial Navigation on the surface of Mars	Robert VanderPol II	8 Nov 2018, 13:19
Re: Latitude by Talcott-Horrebow Method	Peter Monta	8 Nov 2018, 12:15
DIY shade: a polarising filter?	Tony Oz	8 Nov 2018, 11:34
Re: Life raft questions - knowing only GHA and sun's rising or setting	Ed Popko	8 Nov 2018, 11:27
Re: Quad regression for Lunar Distances?	Lars Bergman	8 Nov 2018, 10:13
Re: DIY Davis prism directly on the mirror?	Tony Oz	8 Nov 2018, 09:07
Re: Time zone sign conventions	Tony Oz	8 Nov 2018, 07:38
Re: Celestial Navigation on the surface of Mars	Morfydd James	8 Nov 2018, 05:13
Re: Time zone sign conventions	Sean C	8 Nov 2018, 05:01
Re: Celestial Navigation on the surface of Mars	Paul Dolkas	8 Nov 2018, 03:46
Time zone sign conventions	Steve E. Bryant	8 Nov 2018, 02:56
Re: Celestial Navigation on the surface of Mars	Robert VanderPol II	8 Nov 2018, 01:10
Re: Life raft questions - knowing only GHA and sun's rising or setting	Stan K	7 Nov 2018, 22:39
Re: Latitude by Talcott-Horrebow Method	Brad Morris	7 Nov 2018, 22:19
Celestial Navigation on the surface of Mars	Morfydd James	7 Nov 2018, 22:18
Re: DIY Davis prism directly on the mirror?	Brad Morris	7 Nov 2018, 22:08
Re: Quad regression for Lunar Distances?	Sean C	7 Nov 2018, 21:58
Re: GPS and the Chandler Wobble	Peter Monta	7 Nov 2018, 21:31
DIY Davis prism directly on the mirror?	Tony Oz	7 Nov 2018, 19:00
Re: Life raft questions - knowing only GHA and sun's rising or setting	Tony Oz	7 Nov 2018, 18:48
Life raft questions - knowing only GHA and sun's rising or setting	Ed Popko	7 Nov 2018, 16:03
Re: Quad regression for Lunar Distances?	Lars Bergman	7 Nov 2018, 14:53
Re: Avoiding the symmedian (and other) points	Bill Lionheart	7 Nov 2018, 06:05
Re: GPS and the Chandler Wobble	Paul Hirose	7 Nov 2018, 03:12
Re: Avoiding the symmedian (and other) points	Frank Reed	6 Nov 2018, 22:45
Re: Quad regression for Lunar Distances?	Frank Reed	6 Nov 2018, 22:15
Re: Avoiding the symmedian (and other) points	Bill Lionheart	6 Nov 2018, 21:54
Re: Latitude by Talcott-Horrebow Method	Peter Monta	6 Nov 2018, 21:17
Quad regression for Lunar Distances?	Tony Oz	6 Nov 2018, 16:41
Re: Latitude by Talcott-Horrebow Method	William Porter	6 Nov 2018, 16:03
Re: Latitude by Talcott-Horrebow Method	Paul Hirose	6 Nov 2018, 08:37
Re: GPS and the Chandler Wobble	John D. Howard	6 Nov 2018, 03:41
Re: Latitude by Talcott-Horrebow Method	Peter Monta	6 Nov 2018, 00:01
GPS and the Chandler Wobble	Brad Morris	5 Nov 2018, 23:21
Avoiding the symmedian (and other) points	Gary LaPook	5 Nov 2018, 21:43
Re: Latitude by Talcott-Horrebow Method	John D. Howard	5 Nov 2018, 20:30
Re: Latitude by Talcott-Horrebow Method	Brad Morris	5 Nov 2018, 19:53
Mirror-adjustment key replacement found	Tony Oz	5 Nov 2018, 18:32
Re: Latitude by Talcott-Horrebow Method	Brad Morris	5 Nov 2018, 16:22
Modern Celestial: Fri/Sat this week at Mystic Seaport	Frank Reed	5 Nov 2018, 15:58
Re: Latitude by Talcott-Horrebow Method	Ed Popko	5 Nov 2018, 15:27
Re: Latitude by Talcott-Horrebow Method	Ed Popko	5 Nov 2018, 11:13
Re: Latitude by Talcott-Horrebow Method	William Porter	5 Nov 2018, 11:02
Re: Lunars with Young's formula: always off by several minutes	William Porter	5 Nov 2018, 07:51
Re: Latitude by Talcott-Horrebow Method	Paul Hirose	5 Nov 2018, 06:18
Re: Lunars with Young's formula: always off by several minutes	Paul Hirose	5 Nov 2018, 05:12
Re: Lunars with Young's formula: always off by several minutes	William Porter	4 Nov 2018, 21:56
Re: Lunars with Young's formula: always off by several minutes	Brad Morris	4 Nov 2018, 21:20
Re: GPS jamming causes drones to crash	David Pike	4 Nov 2018, 20:37
Re: Lunars with Young's formula: always off by several minutes	William Porter	4 Nov 2018, 20:20
Re: GPS jamming causes drones to crash	David Pike	4 Nov 2018, 17:48
Re: Lunars with Young's formula: always off by several minutes	Lars Bergman	4 Nov 2018, 13:18
Re: Latitude by Talcott-Horrebow Method	Geoffrey Kolbe	4 Nov 2018, 06:53
Re: Latitude by Talcott-Horrebow Method	Brad Morris	4 Nov 2018, 05:23
Re: GPS jamming causes drones to crash	Gary LaPook	4 Nov 2018, 03:15
Re: Simpler than latitude and longitude?	Gary LaPook	4 Nov 2018, 02:45
Re: Navigation Conference, Mystic Seaport, 2019?	Gary LaPook	4 Nov 2018, 02:32
Re: Pub.249 Epoch 2020 is available.	Brad Morris	4 Nov 2018, 01:02
Re: Navigation Conference, Mystic Seaport, 2019?	William Porter	3 Nov 2018, 20:51
Simpler than latitude and longitude?	Frank Reed	3 Nov 2018, 19:12
Re: Pub.249 Epoch 2020 is available.	Frank Reed	3 Nov 2018, 18:00
Re: GPS jamming causes drones to crash	Frank Reed	3 Nov 2018, 17:44
GPS jamming causes drones to crash	Lu Abel	3 Nov 2018, 16:51
Re: Pub.249 Epoch 2020 is available.	Rafal O.	3 Nov 2018, 16:31
Re: Latitude by Talcott-Horrebow Method	Frank Reed	3 Nov 2018, 16:22
Re: Ratio of variances	Frank Reed	3 Nov 2018, 16:21
Re: Ratio of variances	Brad Morris	3 Nov 2018, 15:46
Re: Pub.249 Epoch 2020 is available.	Brad Morris	3 Nov 2018, 15:09
Re: Navigation Conference, Mystic Seaport, 2019?	Bruce J. Pennino	3 Nov 2018, 13:41
Re: Latitude by Talcott-Horrebow Method	William Porter	3 Nov 2018, 11:27
Re: Ratio of variances	Greg Rudzinski	3 Nov 2018, 10:40
Re: Latitude by Talcott-Horrebow Method	Geoffrey Kolbe	3 Nov 2018, 06:53
Re: Ratio of variances	David Pike	2 Nov 2018, 22:25
Re: Pub.249 Epoch 2020 is available.	Rafal O.	2 Nov 2018, 20:25
Re: Latitude by Talcott-Horrebow Method	Ed Popko	2 Nov 2018, 20:17
Re: Lunars with Young's formula: always off by several minutes	William Porter	2 Nov 2018, 19:36
Re: Latitude by Talcott-Horrebow Method	Brad Morris	2 Nov 2018, 19:14
Re: Pub.249 Epoch 2020 is available.	Brad Morris	2 Nov 2018, 19:07
Latitude by Talcott-Horrebow Method	Ed Popko	2 Nov 2018, 17:25
Re: Ratio of variances	Greg Rudzinski	2 Nov 2018, 15:30
Ratio of variances	Bill Lionheart	2 Nov 2018, 14:40
Re: Navigation Conference, Mystic Seaport, 2019?	Geoffrey Kolbe	2 Nov 2018, 13:11
Re: Pub.249 Epoch 2020 is available.	Rafal O.	2 Nov 2018, 08:33
Re: Lunars with Young's formula: always off by several minutes	Geoffrey Kolbe	2 Nov 2018, 07:17
Re: Lunars with Young's formula: always off by several minutes	Sean C	1 Nov 2018, 23:03
Re: Lunars with Young's formula: always off by several minutes	William Porter	1 Nov 2018, 22:48
Re: Navigation Conference, Mystic Seaport, 2019?	Robert Pearson	1 Nov 2018, 22:42
Re: Navigation Conference, Mystic Seaport, 2019?	Richard Easton	1 Nov 2018, 22:22
Re: Lunars with Young's formula: always off by several minutes	William Porter	1 Nov 2018, 22:00
Re: Navigation Conference, Mystic Seaport, 2019?	Jackson McDonald	1 Nov 2018, 21:20
Re: Lunars with Young's formula: always off by several minutes	Paul Hirose	1 Nov 2018, 19:10
Quantum Navigation, a backup to GPS	Brad Morris	1 Nov 2018, 19:03
Re: Lunars with Young's formula: always off by several minutes	Lars Bergman	1 Nov 2018, 14:16
Re: Lunars with Young's formula: always off by several minutes	William Porter	1 Nov 2018, 11:17
Re: Navigation jokes	Frank Atkins	1 Nov 2018, 09:24
Re: Navigation Conference, Mystic Seaport, 2019?	Jeremy C	1 Nov 2018, 06:55
Re: Lunars with Young's formula: always off by several minutes	Frank Reed	31 Oct 2018, 23:42
Re: Lunars with Young's formula: always off by several minutes	William Porter	31 Oct 2018, 23:22
Re: Pub.249 Epoch 2020 is available.	Frank Reed	31 Oct 2018, 23:14
Re: Lunars with Young's formula: always off by several minutes	William Porter	31 Oct 2018, 21:35
Re: Pub.249 Epoch 2020 is available.	Brad Morris	31 Oct 2018, 21:11
Re: Lunars with Young's formula: always off by several minutes	Andrés Ruiz	31 Oct 2018, 16:55
Re: Pub.249 Epoch 2020 is available.	Rafal O.	31 Oct 2018, 16:34
Re: Logic of shades	Greg Rudzinski	31 Oct 2018, 16:00
Re: Pub.249 Epoch 2020 is available.	Frank Reed	31 Oct 2018, 13:49
Re: Lunars with Young's formula: always off by several minutes	Frank Reed	31 Oct 2018, 13:36
Re: Pub.249 Epoch 2020 is available.	Rafal O.	31 Oct 2018, 10:31
Re: Navigation Conference, Mystic Seaport, 2019?	Ed Popko	31 Oct 2018, 10:13
Re: Logic of shades	Gary LaPook	31 Oct 2018, 04:51
Re: Navigation Conference, Mystic Seaport, 2019?	Stan K	30 Oct 2018, 21:45
Lunars with Young's formula: always off by several minutes	William Porter	30 Oct 2018, 21:41
Navigation Conference, Mystic Seaport, 2019?	Frank Reed	30 Oct 2018, 14:34
Re: Pub.249 Epoch 2020 is available.	Rafal O.	30 Oct 2018, 11:59
Re: Mark 15 sextants	Michael Bradley	30 Oct 2018, 08:52
Re: Pub.249 Epoch 2020 is available.	Rafal O.	30 Oct 2018, 08:21
Re: Navigation jokes	Antoine Couëtte	30 Oct 2018, 07:16
Re: Longitude, zone time, and local mean time	Bruce Cutting	30 Oct 2018, 00:49
Re: Longitude, zone time, and local mean time	David Fleming	29 Oct 2018, 20:40
Re: Longitude, zone time, and local mean time	Bruce Cutting	29 Oct 2018, 20:02
Re: Equation of Time Simplified?	Alejandro Muñoz	29 Oct 2018, 20:02
Re: Is most probable position (MPP) a dangerous misnomer?	John D. Howard	29 Oct 2018, 19:41
Re: Is most probable position (MPP) a dangerous misnomer?	Frank Reed	29 Oct 2018, 19:38
Re: Mark 15 sextants	Roger W. Sinnott	29 Oct 2018, 19:07
Re: Mark 15 sextants	Roger W. Sinnott	29 Oct 2018, 18:49
Re: Is most probable position (MPP) a dangerous misnomer?	David Pike	29 Oct 2018, 18:41
Longitude, zone time, and local mean time	Steve E. Bryant	29 Oct 2018, 18:38
Re: Navigation jokes	Robin Stuart	29 Oct 2018, 16:25
Re: Is most probable position (MPP) a dangerous misnomer?	John D. Howard	29 Oct 2018, 14:59
Re: Pub.249 Epoch 2020 is available.	Brad Morris	29 Oct 2018, 14:31
Re: Navigation jokes	Don Seltzer	29 Oct 2018, 13:04
Re: Mark 15 sextants	Greg Rudzinski	29 Oct 2018, 13:02
Re: Elements of the navigation triangle	David Pike	29 Oct 2018, 09:01
Re: Mark 15 sextants	Ken Gebhart	29 Oct 2018, 03:37
Elements of the navigation triangle	Steve E. Bryant	29 Oct 2018, 00:42
Re: Is most probable position (MPP) a dangerous misnomer?	David Pike	28 Oct 2018, 23:19
Re: Navigation jokes	David Pike	28 Oct 2018, 22:42
Re: Navigation jokes	David Pike	28 Oct 2018, 22:26
Re: Navigation jokes	Sean C	28 Oct 2018, 04:53
Re: Navigation jokes	Peter Hakel	28 Oct 2018, 04:00
Re: Navigation jokes	John D. Howard	28 Oct 2018, 02:43
Re: Navigation jokes	Wil Bailey	27 Oct 2018, 23:05
Re: Mark 15 sextants	Brad Morris	27 Oct 2018, 20:00
Re: Navigation jokes	Mark Coady	27 Oct 2018, 19:18
Re: Logic of shades	Mark Coady	27 Oct 2018, 19:13
Re: Logic of shades	Geoffrey Kolbe	27 Oct 2018, 17:29
Re: Logic of shades	Paul Hirose	27 Oct 2018, 16:43
Re: Is most probable position (MPP) a dangerous misnomer?	John D. Howard	27 Oct 2018, 16:35
Re: Navigation jokes	Francis Upchurch	27 Oct 2018, 14:41
Re: Mark 15 sextants	Michael Bradley	27 Oct 2018, 09:46
Is most probable position (MPP) a dangerous misnomer?	David Pike	27 Oct 2018, 09:22
Re: Logic of shades	Francis Upchurch	27 Oct 2018, 06:43
Re: Logic of shades	Francis Upchurch	27 Oct 2018, 06:35
Re: Logic of shades	David Fleming	26 Oct 2018, 22:32
Re: Mark 15 sextants	Gord Cudlipp	26 Oct 2018, 21:52
Re: Mark 15 sextants	Roger W. Sinnott	26 Oct 2018, 21:42
Re: Mark 15 sextants	Brad Morris	26 Oct 2018, 21:33
Re: Mark 15 sextants	Robert Pearson	26 Oct 2018, 20:38
Re: Logic of shades	Paul Dolkas	26 Oct 2018, 18:47
Mark 15 sextants	Gord Cudlipp	26 Oct 2018, 18:05
Re: Logic of shades	Brad Morris	26 Oct 2018, 17:19
Re: Logic of shades	Frank Reed	26 Oct 2018, 17:14
Logic of shades	alexander duytschaever	26 Oct 2018, 13:38
Re: Navigation jokes	Michael Bradley	26 Oct 2018, 08:36
Re: Navigation jokes	Thomas Spidle	26 Oct 2018, 05:47
Re: Position lines with confidence weights	Bill Lionheart	26 Oct 2018, 05:33
Re: Navigation jokes	Thomas Spidle	26 Oct 2018, 05:28
Re: Navigation jokes	Robert VanderPol II	26 Oct 2018, 04:07
Re: Navigation jokes	Ed Popko	26 Oct 2018, 01:47
Re: NavList dinner in Mystic October 27 (moved to Oct.28)	Frank Reed	26 Oct 2018, 00:01
Re: Navigation jokes	Greg R_	25 Oct 2018, 22:31
Navigation jokes	Ed Popko	25 Oct 2018, 21:40
Re: Skyfield	Paul Hirose	25 Oct 2018, 19:58
Re: Pub.249 Epoch 2020 is available.	Tony Oz	25 Oct 2018, 18:08
Re: Pub.249 Epoch 2020 is available.	Frank Reed	25 Oct 2018, 16:02
Re: Pub.249 Epoch 2020 is available.	Rafal O.	25 Oct 2018, 09:36
Re: Pub.249 Epoch 2020 is available.	Rafal O.	25 Oct 2018, 06:30
Re: Pub.249 Epoch 2020 is available.	Frank Reed	24 Oct 2018, 21:43
Re: Pub.249 Epoch 2020 is available.	Tony Oz	24 Oct 2018, 20:31
Brightest planet in the sky tonight	Don Seltzer	24 Oct 2018, 19:51
Maritime publisher Brown, Son and Ferguson	Paul Hirose	24 Oct 2018, 17:33
Re: NavList dinner in Mystic October 27	Frank Reed	24 Oct 2018, 17:22
Re: Pub.249 Epoch 2020 is available.	Rafal O.	24 Oct 2018, 07:47
Re: Personal equation in timed observations	Peter Monta	24 Oct 2018, 06:30
Re: Skyfield	Peter Monta	24 Oct 2018, 06:19
Re: Skyfield	Josh Paterson	23 Oct 2018, 23:42
Re: Skyfield	John D. Howard	23 Oct 2018, 23:10
Re: Skyfield	Lars Bergman	23 Oct 2018, 21:00
Re: Skyfield	Robin Stuart	23 Oct 2018, 20:24
Re: Lindbergh-Weems Navigaiton Watch Gotchas	Tony Oz	23 Oct 2018, 19:48
Re: Personal equation in timed observations	Sean C	23 Oct 2018, 18:14
Re: Pub.249 Epoch 2020 is available.	Gary LaPook	23 Oct 2018, 16:54
Re: Skyfield	John D. Howard	23 Oct 2018, 16:05
Re: Personal equation in timed observations	Brad Morris	23 Oct 2018, 15:37
Pub.249 Epoch 2020 is available.	Tony Oz	23 Oct 2018, 12:03
Re: Skyfield	Lars Bergman	23 Oct 2018, 10:31
Re: Lindbergh-Weems Navigaiton Watch Gotchas	Tony Oz	23 Oct 2018, 08:47
Re: Skyfield	Paul Hirose	23 Oct 2018, 05:32
Personal equation in timed observations	Paul Hirose	23 Oct 2018, 05:30
Re: Skyfield	Ken Muldrew	22 Oct 2018, 23:01
Re: Lindbergh-Weems Navigaiton Watch Gotchas	Ed Popko	22 Oct 2018, 22:04
Skyfield	Robin Stuart	22 Oct 2018, 21:14
Re: Lindbergh-Weems Navigaiton Watch Gotchas	Tony Oz	22 Oct 2018, 16:31
Lindbergh-Weems Navigaiton Watch Gotchas	Ed Popko	22 Oct 2018, 14:31
Re: Fit vs Regression: what is the difference?	Frank Reed	22 Oct 2018, 14:09
Fit vs Regression: what is the difference?	Tony Oz	22 Oct 2018, 09:45
Re: NavList dinner in Mystic October 27	Frank Reed	21 Oct 2018, 18:28
Re: Linear regression and other tools	Frank Reed	21 Oct 2018, 13:56
Re: Linear regression and other tools	Tony Oz	21 Oct 2018, 08:22
Re: Linear regression and other tools	Tony Oz	20 Oct 2018, 21:29
Re: Linear regression and other tools	Tony Oz	20 Oct 2018, 19:32
Re: 2nd Order Regression limitations	Brad Morris	20 Oct 2018, 19:30
Astron 2.00 release	Peter Hakel	20 Oct 2018, 17:11
Re: Position lines with confidence weights	Antoine Couëtte	19 Oct 2018, 20:27
Re: Position lines with confidence weights	Ed Popko	19 Oct 2018, 18:28
Position lines with confidence weights	Frank Reed	19 Oct 2018, 18:17
Re: Maximum likelihood position with triangle on a sphere	David Pike	19 Oct 2018, 17:34
Maximum likelihood position with triangle on a sphere	Bill Lionheart	19 Oct 2018, 16:09
Re: Were there secret techniques in the 17th and 18th Century	David Pike	18 Oct 2018, 19:41
Re: Were there secret techniques in the 17th and 18th Century	Paul Hirose	18 Oct 2018, 18:41
Re: Were there secret techniques in the 17th and 18th Century	Gary LaPook	18 Oct 2018, 08:00
Re: Were there secret techniques in the 17th and 18th Century	Brad Morris	18 Oct 2018, 02:49
Re: Were there secret techniques in the 17th and 18th Century	Sean C	18 Oct 2018, 02:21
Re: Were there secret techniques in the 17th and 18th Century	David Pike	17 Oct 2018, 21:34
Re: 2nd Order Regression limitations	Frank Reed	17 Oct 2018, 19:43
Re: News from Stan K	Frank Reed	17 Oct 2018, 19:25
Re: Were there secret techniques in the 17th and 18th Century	Frank Reed	17 Oct 2018, 17:16
2nd Order Regression limitations	Antoine Couëtte	17 Oct 2018, 17:11
Were there secret techniques in the 17th and 18th Century	Bill Lionheart	17 Oct 2018, 16:12
Re: News from Stan K	Brad Morris	17 Oct 2018, 01:59
Re: Symmedian point -earliest reference in navigation	David Pike	16 Oct 2018, 21:42
Re: News from Stan K	Stan K	16 Oct 2018, 21:27
Re: Symmedian point -earliest reference in navigation	Brad Morris	16 Oct 2018, 20:15
Re: Symmedian point -earliest reference in navigation	Gary LaPook	16 Oct 2018, 18:27
Re: Symmedian point -earliest reference in navigation	Bill Lionheart	16 Oct 2018, 18:12
Re: Symmedian point -earliest reference in navigation	Andrés Ruiz	16 Oct 2018, 10:27
Re: Linear regression and other tools	Andrés Ruiz	16 Oct 2018, 09:57
Re: Symmedian point -earliest reference in navigation	David Pike	16 Oct 2018, 08:39
Re: Symmedian point -earliest reference in navigation	Bill Lionheart	16 Oct 2018, 08:18
Re: Linear regression and other tools	Robert Bernecky	16 Oct 2018, 00:16
Re: A 300-year-old clock found on Derbyshire estate sells for 230k	Brad Morris	15 Oct 2018, 19:36
A 300-year-old clock found on Derbyshire estate sells for 230k	Richard B. Langley	15 Oct 2018, 19:07
Re: Symmedian point -earliest reference in navigation	Brad Morris	15 Oct 2018, 18:12
Re: Linear regression and other tools	Brad Morris	15 Oct 2018, 16:58
Re: Symmedian point -earliest reference in navigation	Bill Lionheart	15 Oct 2018, 15:08
Re: Symmedian point -earliest reference in navigation	Bill Lionheart	15 Oct 2018, 15:03
Re: Linear regression and other tools	Tony Oz	15 Oct 2018, 11:50
Re: Symmedian point -earliest reference in navigation	Herbert Prinz	15 Oct 2018, 04:28
Re: Symmedian point -earliest reference in navigation	David Pike	14 Oct 2018, 22:17
Re: Software tool for Celestial Nav Training - a report	Ed Popko	14 Oct 2018, 19:31
Re: Linear regression and other tools	Bruce Cutting	14 Oct 2018, 18:45
Re: Linear regression and other tools	Antoine Couëtte	14 Oct 2018, 18:36
Re: Symmedian point -earliest reference in navigation	Brad Morris	14 Oct 2018, 18:30
Re: Symmedian point -earliest reference in navigation	Bill Lionheart	14 Oct 2018, 16:07
Re: Symmedian point -earliest reference in navigation	Bill Lionheart	14 Oct 2018, 16:00
On the use of Lindbergh-Weems second-setting navigation watch	Ed Popko	14 Oct 2018, 12:31
Re: Symmedian point -earliest reference in navigation	David Pike	14 Oct 2018, 11:07
Re: Linear regression and other tools	Antoine Couëtte	14 Oct 2018, 08:23
Re: Linear regression and other tools	Antoine Couëtte	14 Oct 2018, 05:54
Re: To what level must the accuracy go?	Jeremy C	14 Oct 2018, 05:36
Re: Linear regression and other tools	Ron Jones	14 Oct 2018, 04:15
Re: Symmedian point -earliest reference in navigation	Herbert Prinz	14 Oct 2018, 02:42
Re: Linear regression and other tools	Ron Jones	14 Oct 2018, 00:45
Re: To what level must the accuracy go?	Tom Sult	13 Oct 2018, 23:55
Re: Linear regression and other tools	Tony Oz	13 Oct 2018, 22:34
To what level must the accuracy go?	Brad Morris	13 Oct 2018, 22:17
Software tool for Celestial Nav Training - a report	Eric van der Veen	13 Oct 2018, 20:21
Re: Linear regression and other tools	Bruce Cutting	13 Oct 2018, 16:56
Re: Linear regression and other tools	Antoine Couëtte	13 Oct 2018, 16:36
Re: Linear regression and other tools	Ron Jones	13 Oct 2018, 16:00
Symmedian point -earliest reference in navigation	Bill Lionheart	13 Oct 2018, 12:54
Re: Linear regression and other tools	Antoine Couëtte	13 Oct 2018, 04:41
Re: Linear regression and other tools	Ron Jones	12 Oct 2018, 18:24
Re: Linear regression and other tools	Antoine Couëtte	12 Oct 2018, 17:44
Re: Linear regression and other tools	Antoine Couëtte	12 Oct 2018, 17:03
Re: Linear regression and other tools	Tony Oz	12 Oct 2018, 15:38
Re: Linear regression and other tools	Brad Morris	12 Oct 2018, 15:35
Re: Linear regression and other tools	Antoine Couëtte	12 Oct 2018, 15:13
Re: Where is this mountain citadel?	John D. Howard	12 Oct 2018, 14:59
Re: NavList dinner in Mystic October 27	Frank Atkins	12 Oct 2018, 13:08
Re: Linear regression and other tools	Tony Oz	12 Oct 2018, 12:42
NavList dinner in Mystic October 27	Frank Reed	12 Oct 2018, 12:34
Re: Linear regression and other tools	Antoine Couëtte	12 Oct 2018, 09:36
Re: Linear regression and other tools	Tony Oz	11 Oct 2018, 20:41
Re: Linear regression and other tools	Antoine Couëtte	11 Oct 2018, 19:00
Re: Linear regression and other tools	Lars Bergman	11 Oct 2018, 18:47
Re: Linear regression and other tools	Brad Morris	11 Oct 2018, 15:10
Re: Linear regression and other tools	Lars Bergman	11 Oct 2018, 09:49
Re: Linear regression and other tools	Tony Oz	10 Oct 2018, 21:46
Re: Linear regression and other tools	Brad Morris	10 Oct 2018, 19:48
Re: A different type of heavenly body	Brad Morris	10 Oct 2018, 16:16
Linear regression and other tools	Tony Oz	10 Oct 2018, 10:10
A different type of heavenly body	Don Seltzer	10 Oct 2018, 02:43
Re: Where is this mountain citadel?	John D. Howard	9 Oct 2018, 15:11
Re: Where is this mountain citadel?	David Pike	9 Oct 2018, 13:05
Re: Where is this mountain citadel?	David Pike	9 Oct 2018, 10:16
Re: Where is this mountain citadel?	Robert H. van Gent	9 Oct 2018, 09:00
Re: Where is this mountain citadel?	Herman Dekker	9 Oct 2018, 07:28
Re: A little space navigation	Frank Reed	9 Oct 2018, 03:21
Re: A little space navigation	Brad Morris	9 Oct 2018, 02:07
Where is this mountain citadel?	Frank Reed	9 Oct 2018, 00:03
Re: A little space navigation	David Pike	8 Oct 2018, 22:52
Re: A little space navigation	Frank Reed	8 Oct 2018, 18:52
Re: A little space navigation	Frank Reed	8 Oct 2018, 18:44
Re: A little space navigation	Brad Morris	8 Oct 2018, 15:19
Re: A little space navigation	David Pike	8 Oct 2018, 07:16
Re: A little space navigation	Brad Morris	7 Oct 2018, 22:56
Re: A little space navigation	David Pike	7 Oct 2018, 20:38
Re: T Hav Doniol Sumner LOP Example	D Maracle	7 Oct 2018, 17:48
Re: A little space navigation	Brad Morris	7 Oct 2018, 04:48
Re: An Embarrassing Conundrum	Frank Reed	6 Oct 2018, 22:16
Re: An Embarrassing Conundrum	David Pike	6 Oct 2018, 20:55
Re: An Embarrassing Conundrum	Antoine Couëtte	6 Oct 2018, 18:31
Re: An Embarrassing Conundrum	Frank Reed	6 Oct 2018, 18:01
Re: T Hav Doniol Sumner LOP Example	Greg Rudzinski	6 Oct 2018, 17:52
Re: An Embarrassing Conundrum	Gary LaPook	6 Oct 2018, 17:34
Re: T Hav Doniol Sumner LOP Example	D Maracle	6 Oct 2018, 16:19
An Embarrassing Conundrum	David Pike	6 Oct 2018, 13:36
Re: A little space navigation	David Pike	6 Oct 2018, 13:09
Re: A little space navigation	Robert VanderPol II	5 Oct 2018, 19:53
Re: Range from calculated dip of the shore horizon	Don Seltzer	5 Oct 2018, 19:07
Re: Protecting GNSS and Users - The Ideal APNT	Brad Morris	5 Oct 2018, 18:33
Re: A little space navigation	Brad Morris	5 Oct 2018, 17:23
Re: Range from calculated dip of the shore horizon	Bob Crawley	5 Oct 2018, 14:27
Protecting GNSS and Users - The Ideal APNT	Richard B. Langley	5 Oct 2018, 13:02
Re: A little space navigation	Sean C	5 Oct 2018, 08:36
Re: A little space navigation	Peter Monta	5 Oct 2018, 05:52
Re: A little space navigation	Peter Monta	5 Oct 2018, 05:09
Re: A little space navigation	Thomas Spidle	5 Oct 2018, 03:56
Re: Range from calculated dip of the shore horizon	Robert VanderPol II	5 Oct 2018, 03:33
Re: A little space navigation	Jacob M. Huffman III	5 Oct 2018, 02:13
A little space navigation	Frank Reed	5 Oct 2018, 01:41
Amelia Earhart Book Auction	Jackson McDonald	4 Oct 2018, 23:13
Range from calculated dip of the shore horizon	David Pike	4 Oct 2018, 20:32
Re: A paper sextant sight...	Tony Oz	4 Oct 2018, 15:41
Re: A paper sextant sight...	David C	4 Oct 2018, 03:45
Re: Moon montage flaws... how many can you find?	Frank Reed	4 Oct 2018, 02:26
Re: A paper sextant sight...	Frank Reed	3 Oct 2018, 23:54
Re: Susceptibility of GPS to CME, Rationale for CN?	Dennis Jewitt	3 Oct 2018, 18:32
Re: A paper sextant sight...	Tony Oz	3 Oct 2018, 17:30
Re: T Hav Doniol Sumner LOP Example	Greg Rudzinski	3 Oct 2018, 15:48
Re: Susceptibility of GPS to CME, Rationale for CN?	Robert VanderPol II	3 Oct 2018, 15:45
Re: Susceptibility of GPS to CME, Rationale for CN?	Greg Licfi	3 Oct 2018, 14:47
Re: Moon montage flaws... how many can you find?	Bill B	3 Oct 2018, 06:58
Re: Susceptibility of GPS to CME, Rationale for CN?	Francis Upchurch	3 Oct 2018, 05:11
Re: Susceptibility of GPS to CME, Rationale for CN?	Brian Walton	3 Oct 2018, 04:29
Re: T Hav Doniol Sumner LOP Example	Brian Walton	3 Oct 2018, 04:05
Re: Moon montage flaws... how many can you find?	Frank Reed	3 Oct 2018, 02:49
Re: Moon montage flaws... how many can you find?	Don Seltzer	3 Oct 2018, 00:42
Re: Susceptibility of GPS to CME, Rationale for CN?	Tom Sult	2 Oct 2018, 23:07
Re: Susceptibility of GPS to CME, Rationale for CN?	Brad Morris	2 Oct 2018, 22:15
Re: Susceptibility of GPS to CME, Rationale for CN?	Francis Upchurch	2 Oct 2018, 21:31
Re: Moon montage flaws... how many can you find?	Don Seltzer	2 Oct 2018, 20:05
Re: Moon montage flaws... how many can you find?	David Fleming	2 Oct 2018, 18:28
Re: Susceptibility of GPS to CME, Rationale for CN?	Francis Upchurch	2 Oct 2018, 16:48
Re: T Hav Doniol Sumner LOP Example	Greg Rudzinski	2 Oct 2018, 15:43
Re: Susceptibility of GPS to CME, Rationale for CN?	Greg Licfi	2 Oct 2018, 15:40
Re: Moon montage flaws... how many can you find?	Bruce J. Pennino	2 Oct 2018, 13:52
Re: Moon montage flaws... how many can you find?	Don Seltzer	2 Oct 2018, 13:10
Re: Moon montage flaws... how many can you find?	Mike Mayer	2 Oct 2018, 11:37
Re: Moon montage flaws... how many can you find?	Tony Oz	2 Oct 2018, 09:28
Re: Moon montage flaws... how many can you find?	Antoine Couëtte	2 Oct 2018, 09:28
Re: Moon montage flaws... how many can you find?	Antoine Couëtte	2 Oct 2018, 07:42
Re: Susceptibility of GPS to CME, Rationale for CN?	Antoine Couëtte	2 Oct 2018, 07:01
Re: Moon montage flaws... how many can you find?	Bob Goethe	2 Oct 2018, 05:28
Re: Moon montage flaws... how many can you find?	Frank Reed	2 Oct 2018, 05:22
Re: Susceptibility of GPS to CME, Rationale for CN?	Robert VanderPol II	2 Oct 2018, 05:02
Re: Moon montage flaws... how many can you find?	Rommel John Miller	2 Oct 2018, 04:48
Re: Susceptibility of GPS to CME, Rationale for CN?	Francis Upchurch	2 Oct 2018, 04:41
Moon montage flaws... how many can you find?	Frank Reed	2 Oct 2018, 03:12
Re: Susceptibility of GPS to CME, Rationale for CN?	John D. Howard	2 Oct 2018, 02:07
Re: Susceptibility of GPS to CME, Rationale for CN?	Brad Morris	1 Oct 2018, 22:50
Re: Susceptibility of GPS to CME, Rationale for CN?	Hewitt Schlereth	1 Oct 2018, 21:13
Re: Susceptibility of GPS to CME, Rationale for CN?	David C	1 Oct 2018, 20:07
Re: Susceptibility of GPS to CME, Rationale for CN?	Ed Popko	1 Oct 2018, 17:30
Re: Susceptibility of GPS to CME, Rationale for CN?	Brad Morris	1 Oct 2018, 17:14
Re: Susceptibility of GPS to CME, Rationale for CN?	Brad Morris	1 Oct 2018, 17:08
Re: Susceptibility of GPS to CME, Rationale for CN?	Antoine Couëtte	1 Oct 2018, 10:46
Re: Susceptibility of GPS to CME, Rationale for CN?	David Pike	1 Oct 2018, 07:47
Re: Susceptibility of GPS to CME, Rationale for CN?	Robert VanderPol II	1 Oct 2018, 03:17
Re: Susceptibility of GPS to CME, Rationale for CN?	Francis Upchurch	1 Oct 2018, 03:15
Re: Susceptibility of GPS to CME, Rationale for CN?	Francis Upchurch	1 Oct 2018, 03:07
Re: Susceptibility of GPS to CME, Rationale for CN?	Brad Morris	1 Oct 2018, 01:38
Re: Susceptibility of GPS to CME, Rationale for CN?	Bob Goethe	30 Sep 2018, 23:29
Re: Susceptibility of GPS to CME, Rationale for CN?	Brad Morris	30 Sep 2018, 22:25
Re: Susceptibility of GPS to CME, Rationale for CN?	Peter Monta	30 Sep 2018, 22:21
Re: News from Stan K	Frank Reed	30 Sep 2018, 19:00
Re: Susceptibility of GPS to CME, Rationale for CN?	David Pike	30 Sep 2018, 09:07
Re: Susceptibility of GPS to CME, Rationale for CN?	Francis Upchurch	30 Sep 2018, 05:40
Re: Susceptibility of GPS to CME, Rationale for CN?	Brad Morris	29 Sep 2018, 22:37
Re: GNSS is not immortal	Brad Morris	29 Sep 2018, 15:57
Re: Susceptibility of GPS to CME, Rationale for CN?	Richard B. Langley	29 Sep 2018, 12:04
Re: Timekeeping in the post-WWV/post-HF world	Peter Monta	29 Sep 2018, 04:12
Time	Tom Sult	29 Sep 2018, 01:40
Re: GNSS is not immortal	Gary LaPook	29 Sep 2018, 01:39
Multiple GPS backups fail	Frank Reed	28 Sep 2018, 23:53
Re: Listening to WWV from 60N 30E	Paul Hirose	28 Sep 2018, 21:50
Sight Planning	Ron Jones	28 Sep 2018, 19:33
Susceptibility of GPS to CME, Rationale for CN?	Brad Morris	28 Sep 2018, 19:20
Re: Timekeeping in the post-WWV/post-HF world	Richard B. Langley	28 Sep 2018, 15:39
Re: Timekeeping in the post-WWV/post-HF world	Tony Oz	28 Sep 2018, 13:30
Anti-spoof app	Chris Caswell	28 Sep 2018, 11:02
Re: Timekeeping in the post-WWV/post-HF world	Peter Monta	28 Sep 2018, 06:52
Re: Timekeeping in the post-WWV/post-HF world	Peter Monta	28 Sep 2018, 06:41
Re: Timekeeping in the post-WWV/post-HF world	Ian Vaughn	28 Sep 2018, 00:47
Re: Antique books (Moore, Bowditch, Arnold) and an Antique Octant	Frank Reed	28 Sep 2018, 00:42
NavListNews Twitter feed	Frank Reed	27 Sep 2018, 22:39
Re: Timekeeping in the post-WWV/post-HF world	Brad Morris	27 Sep 2018, 21:21
Re: Timekeeping in the post-WWV/post-HF world	Robert VanderPol II	27 Sep 2018, 20:54
Re: Invert it: GPS as backup to primary celestial navigation	Brad Morris	27 Sep 2018, 20:37
Listening to WWV from 60N 30E	Tony Oz	27 Sep 2018, 20:01
Re: Timekeeping in the post-WWV/post-HF world	Steve Dunlop	27 Sep 2018, 19:46
Re: Global Hawk crash due to deactivated backup navigation	Antoine Couëtte	27 Sep 2018, 19:46
Re: Invert it: GPS as backup to primary celestial navigation	Brad Morris	27 Sep 2018, 19:26
Global Hawk crash due to deactivated backup navigation	Frank Reed	27 Sep 2018, 19:21
Re: Timekeeping in the post-WWV/post-HF world	Frank Reed	27 Sep 2018, 19:12
Re: Timekeeping in the post-WWV/post-HF world	Francis Upchurch	27 Sep 2018, 18:18
Re: GNSS is not immortal	Steve Dunlop	27 Sep 2018, 17:22
Re: Timekeeping in the post-WWV/post-HF world	Steve Dunlop	27 Sep 2018, 17:11
Re: Unexpected USNO height correction precepts	Andrés Ruiz	27 Sep 2018, 11:23
Re: Invert it: GPS as backup to primary celestial navigation	Antoine Couëtte	27 Sep 2018, 06:09
Re: Timekeeping in the post-WWV/post-HF world	Robert VanderPol II	27 Sep 2018, 04:25
Re: Timekeeping in the post-WWV/post-HF world	John D. Howard	26 Sep 2018, 22:16
Re: Lindbergh-Weems Second-Setting Watch	Gary LaPook	26 Sep 2018, 22:07
Re: GNSS is not immortal	Bob Goethe	26 Sep 2018, 22:05
Re: GNSS is not immortal	Pete Solon Palmer	26 Sep 2018, 21:03
Re: Timekeeping in the post-WWV/post-HF world	Roger W. Sinnott	26 Sep 2018, 20:39
Invert it: GPS as backup to primary celestial navigation	Frank Reed	26 Sep 2018, 20:27
Re: Lindbergh-Weems Second-Setting Watch	Tony Oz	26 Sep 2018, 20:26
Dunlap Sunrise Sunset Computer	Brad Morris	26 Sep 2018, 19:55
Re: GNSS is not immortal	Brad Morris	26 Sep 2018, 19:19
Re: Lindbergh-Weems Second-Setting Watch	Ed Popko	26 Sep 2018, 18:21
Re: Timekeeping in the post-WWV/post-HF world	Murray Peake	26 Sep 2018, 17:52
Re: Chart-plotters, dead reckoning, pilotage, etc.	Andrés Ruiz	26 Sep 2018, 17:25
Re: Chart-plotters, dead reckoning, pilotage, etc.	Bruce Cutting	26 Sep 2018, 17:06
Re: Lindbergh-Weems Second-Setting Watch	Tony Oz	26 Sep 2018, 16:29
Wwv/Wwvh/Wwvb Etc.	Richard B. Langley	26 Sep 2018, 15:54
Re: Timekeeping in the post-WWV/post-HF world	Tony Oz	26 Sep 2018, 13:02
Re: Timekeeping in the post-WWV/post-HF world	Robert VanderPol II	26 Sep 2018, 12:20
Re: Venus phase correction	Andrés Ruiz	26 Sep 2018, 12:01
Re: Chart-plotters, dead reckoning, pilotage, etc.	Andrés Ruiz	26 Sep 2018, 11:58
Re: Lindbergh-Weems Second-Setting Watch	Ed Popko	26 Sep 2018, 11:00
Re: Unexpected USNO height correction precepts	Antoine Couëtte	26 Sep 2018, 11:00
Handheld Sextant in spacecraft	Eric van der Veen	26 Sep 2018, 09:20
Re: Timekeeping in the post-WWV/post-HF world	Murray Peake	26 Sep 2018, 06:49
Re: Chart-plotters, dead reckoning, pilotage, etc.	Sean C	26 Sep 2018, 05:41
Re: Timekeeping in the post-WWV/post-HF world	Peter Monta	26 Sep 2018, 05:30
Re: Unexpected USNO height correction precepts	Paul Hirose	26 Sep 2018, 04:03
Re: Chart-plotters, dead reckoning, pilotage, etc.	Sean C	26 Sep 2018, 02:39
Re: Timekeeping in the post-WWV/post-HF world	Roger W. Sinnott	26 Sep 2018, 02:34
Re: Antique books (Moore, Bowditch, Arnold) and an Antique Octant	Sean C	26 Sep 2018, 02:14
Antique books (Moore, Bowditch, Arnold) and an Antique Octant	Frank Reed	26 Sep 2018, 01:53
Re: Timekeeping in the post-WWV/post-HF world	Robert VanderPol II	26 Sep 2018, 00:49
Re: Timekeeping in the post-WWV/post-HF world	Brad Morris	26 Sep 2018, 00:21
Re: Lindbergh-Weems Second-Setting Watch	Ed Popko	25 Sep 2018, 22:20
Re: GNSS is not immortal	Steve Dunlop	25 Sep 2018, 22:15
Re: GPS selective availability	Paul Hirose	25 Sep 2018, 22:10
Re: GNSS is not immortal	Richard B. Langley	25 Sep 2018, 22:05
Re: GNSS is not immortal	Brad Morris	25 Sep 2018, 19:35
Re: GNSS is not immortal	Bob Goethe	25 Sep 2018, 19:34
Re: Timekeeping in the post-WWV/post-HF world	Gary LaPook	25 Sep 2018, 18:18
Re: Timekeeping in the post-WWV/post-HF world	Gary LaPook	25 Sep 2018, 17:25
Re: Timekeeping in the post-WWV/post-HF world	Gary LaPook	25 Sep 2018, 17:13
Re: GNSS is not immortal	Brad Morris	25 Sep 2018, 17:09
Re: Chart-plotters, dead reckoning, pilotage, etc.	Brad Morris	25 Sep 2018, 16:30
Re: Chart-plotters, dead reckoning, pilotage, etc.	Steve Dunlop	25 Sep 2018, 15:51
Re: Timekeeping in the post-WWV/post-HF world	Steve Dunlop	25 Sep 2018, 15:48
Re: Chart-plotters, dead reckoning, pilotage, etc.	Steve Dunlop	25 Sep 2018, 15:40
Re: GNSS is not immortal	Steve Dunlop	25 Sep 2018, 15:37
Re: GNSS is not immortal	Steve Dunlop	25 Sep 2018, 14:39
Re: Chart-plotters, dead reckoning, pilotage, etc.	Jeremy C	25 Sep 2018, 11:48
Re: Timekeeping in the post-WWV/post-HF world	Jeremy C	25 Sep 2018, 11:39
Re: Lindbergh-Weems Second-Setting Watch	Tony Oz	25 Sep 2018, 11:00
Re: Chart-plotters, dead reckoning, pilotage, etc.	Pete Solon Palmer	25 Sep 2018, 07:27
Re: GNSS is not immortal	Brad Morris	25 Sep 2018, 06:53
Re: Unexpected USNO height correction precepts	Andrés Ruiz	25 Sep 2018, 06:25
Re: Timekeeping in the post-WWV/post-HF world	Gary LaPook	25 Sep 2018, 06:22
Re: Unexpected USNO height correction precepts	Andrés Ruiz	25 Sep 2018, 06:16
Re: Timekeeping in the post-WWV/post-HF world	Brad Morris	25 Sep 2018, 06:00
Re: GNSS is not immortal	Frank Reed	25 Sep 2018, 03:15
Chart-plotters, dead reckoning, pilotage, etc.	Steve Dunlop	25 Sep 2018, 03:05
GNSS is not immortal	Steve Dunlop	25 Sep 2018, 03:05
Timekeeping in the post-WWV/post-HF world	Steve Dunlop	25 Sep 2018, 03:04
Easy Intro Celestial, this weekend at Mystic Seaport	Frank Reed	24 Sep 2018, 22:03
Re: Unexpected USNO height correction precepts	Greg Rudzinski	24 Sep 2018, 17:35
Re: Unexpected USNO height correction precepts	Antoine Couëtte	24 Sep 2018, 14:35
Re: Lindbergh-Weems Second-Setting Watch	Tony Oz	24 Sep 2018, 09:45
Re: GPS selective availability	Ronald van Riet	24 Sep 2018, 08:30
Re: GPS selective availability	Geoffrey Kolbe	24 Sep 2018, 05:40
Re: Navigation Presentation in NYC, Sep. 15	Frank Reed	24 Sep 2018, 01:42
Re: Lindbergh-Weems Second-Setting Watch	Paul Dolkas	23 Sep 2018, 22:46
Re: All Haversine Time Sight	Brad Morris	23 Sep 2018, 21:46
Re: GPS selective availability	David Pike	23 Sep 2018, 21:07
Re: GPS selective availability	David Pike	23 Sep 2018, 20:37
Re: Lindbergh-Weems Second-Setting Watch	Ed Popko	23 Sep 2018, 20:05
Re: All Haversine Time Sight	Brian Walton	23 Sep 2018, 19:33
Re: Venus phase correction	Frank Reed	23 Sep 2018, 18:35
Re: Lindbergh-Weems Second-Setting Watch	Paul Dolkas	23 Sep 2018, 18:15
Re: Prepare for Ice...	Bill B	23 Sep 2018, 18:06
Re: Venus phase correction	Robert Bernecky	23 Sep 2018, 17:56
Re: Venus phase correction	Antoine Couëtte	23 Sep 2018, 17:22
Re: GPS selective availability	Frank Reed	23 Sep 2018, 17:05
Re: Unexpected USNO height correction precepts	Antoine Couëtte	23 Sep 2018, 16:55
Re: GPS selective availability	Geoffrey Kolbe	23 Sep 2018, 16:17
Venus phase correction	Robert Bernecky	23 Sep 2018, 15:54
Re: Restoration	Brad Morris	23 Sep 2018, 15:10
Re: Benchmark accuracy	John D. Howard	23 Sep 2018, 15:07
Re: GPS selective availability	John D. Howard	23 Sep 2018, 14:40
Re: Lindbergh-Weems Second-Setting Watch	Ed Popko	23 Sep 2018, 14:09
Re: GPS selective availability	David Pike	23 Sep 2018, 11:23
Re: GPS selective availability	Ronald van Riet	23 Sep 2018, 08:33
Re: Restoration	Frank Atkins	23 Sep 2018, 06:43
Re: GPS selective availability	Geoffrey Kolbe	23 Sep 2018, 05:41
Re: Restoration	Bill Morris	23 Sep 2018, 02:56
Re: Restoration	Frank Atkins	23 Sep 2018, 01:28
Re: Archives of NavList discussions, images, and other files	John D. Howard	23 Sep 2018, 01:13
Re: Benchmark accuracy	Bruce J. Pennino	23 Sep 2018, 00:59
Re: Archives of NavList discussions, images, and other files	Sean C	23 Sep 2018, 00:27
Re: Benchmark accuracy	John D. Howard	22 Sep 2018, 23:44
Re: Prepare for Ice...	Brad Morris	22 Sep 2018, 22:45
Re: Restoration	Brad Morris	22 Sep 2018, 22:39
Re: Viking Navigation	Brad Morris	22 Sep 2018, 22:32
Benchmark accuracy	Lu Abel	22 Sep 2018, 21:59
Re: Prepare for Ice...	Frank Reed	22 Sep 2018, 20:40
Re: Prepare for Ice...	Frank Reed	22 Sep 2018, 20:28
Re: GPS selective availability	John D. Howard	22 Sep 2018, 19:38
Re: Lindbergh-Weems Second-Setting Watch	Frank Reed	22 Sep 2018, 19:38
Re: Unexpected USNO height correction precepts	Frank Reed	22 Sep 2018, 19:30
Re: Is Celestial Navigation really a backup to GPS Navigation?	Francis Upchurch	22 Sep 2018, 19:01
Re: Lindbergh-Weems Second-Setting Watch	Paul Dolkas	22 Sep 2018, 18:54
Viking Navigation	Lu Abel	22 Sep 2018, 17:42
GPS selective availability	Geoffrey Kolbe	22 Sep 2018, 16:51
Re: All Haversine Time Sight	Brad Morris	22 Sep 2018, 16:37
Re: Prepare for Ice...	Michael Bradley	22 Sep 2018, 15:34
Re: Prepare for Ice...	Lars Bergman	22 Sep 2018, 12:41
Re: Prepare for Ice...	Robert VanderPol II	22 Sep 2018, 12:35
Re: Lindbergh-Weems Second-Setting Watch	Ed Popko	22 Sep 2018, 10:07
Re: Lindbergh-Weems Second-Setting Watch	Ed Popko	22 Sep 2018, 10:05
Re: Prepare for Ice...	Bill B	22 Sep 2018, 07:59
Re: Restoration	Frank Atkins	22 Sep 2018, 07:55
Re: All Haversine Time Sight	Brian Walton	22 Sep 2018, 06:34
Re: Restoration	Frank Atkins	22 Sep 2018, 06:11
Re: Lindbergh-Weems Second-Setting Watch	Paul Dolkas	22 Sep 2018, 05:08
Re: Prepare for Ice...	David C	22 Sep 2018, 05:07
Re: Restoration	Brad Morris	22 Sep 2018, 03:47
Re: Prepare for Ice...	Frank Atkins	22 Sep 2018, 03:43
Prepare for Ice...	Frank Reed	22 Sep 2018, 02:00
Re: Restoration	Frank Atkins	22 Sep 2018, 01:16
Re: Restoration	Brad Morris	21 Sep 2018, 23:30
Re: Restoration	Tony Oz	21 Sep 2018, 21:33
Re: Lindbergh-Weems Second-Setting Watch	Tony Oz	21 Sep 2018, 21:18
Archives of NavList discussions, images, and other files	Frank Reed	21 Sep 2018, 18:15
Re: Is Celestial Navigation really a backup to GPS Navigation?	Bob Goethe	21 Sep 2018, 17:22
Re: Latitude from meridian observation	Robin Stuart	21 Sep 2018, 15:00
Lindbergh-Weems Second-Setting Watch	Ed Popko	21 Sep 2018, 14:08
Re: Is Celestial Navigation really a backup to GPS Navigation?	Ed Popko	21 Sep 2018, 13:52
Re: Latitude from meridian observation	Frank Reed	20 Sep 2018, 23:42
Latitude from meridian observation	Paul Hirose	20 Sep 2018, 20:28
Re: Is Celestial Navigation really a backup to GPS Navigation?	Frank Reed	20 Sep 2018, 17:48
Re: The Lunars	Frank Reed	20 Sep 2018, 17:34
Re: Is Celestial Navigation really a backup to GPS Navigation?	Tom Sult	20 Sep 2018, 17:32
Re: Unexpected USNO height correction precepts	Frank Reed	20 Sep 2018, 17:24
Re: Is Celestial Navigation really a backup to GPS Navigation?	Frank Reed	20 Sep 2018, 16:28
Restoration	Frank Atkins	20 Sep 2018, 01:44
Re: Is Celestial Navigation really a backup to GPS Navigation?	Gary LaPook	19 Sep 2018, 23:27
Re: Is Celestial Navigation really a backup to GPS Navigation?	Gary LaPook	19 Sep 2018, 23:05
Re: Unexpected USNO height correction precepts	Paul Hirose	19 Sep 2018, 22:26
Re: Is Celestial Navigation really a backup to GPS Navigation?	Brad Morris	19 Sep 2018, 18:59
The Lunars	Steve E. Bryant	19 Sep 2018, 16:52
Re: Is Celestial Navigation really a backup to GPS Navigation?	Richard B. Langley	19 Sep 2018, 12:18
Re: Unexpected USNO height correction precepts	Paul Hirose	19 Sep 2018, 07:28
Re: Is Celestial Navigation really a backup to GPS Navigation?	Paul Hirose	19 Sep 2018, 07:27
Re: News from Stan K	Andrés Ruiz	19 Sep 2018, 06:16
Re: News from Stan K	Sean C	19 Sep 2018, 02:16
Vintage US Navy Celestial Navigation films	Frank Reed	19 Sep 2018, 01:43
Re: Is Celestial Navigation really a backup to GPS Navigation?	Frank Reed	19 Sep 2018, 00:49
News from Stan K	Frank Reed	19 Sep 2018, 00:31
Re: Questions about Celestial Navigation	Frank Reed	19 Sep 2018, 00:16
Re: Questions about Celestial Navigation	Gary LaPook	18 Sep 2018, 21:46
Re: Questions about Celestial Navigation	John D. Howard	18 Sep 2018, 19:24
Re: Questions about Celestial Navigation	Robert VanderPol II	18 Sep 2018, 16:43
Re: Questions about Celestial Navigation	John D. Howard	18 Sep 2018, 16:15
Re: Unexpected USNO height correction precepts	Andrés Ruiz	18 Sep 2018, 14:58
Re: Questions about Celestial Navigation	Brad Morris	18 Sep 2018, 14:44
Re: Is Celestial Navigation really a backup to GPS Navigation?	Brad Morris	18 Sep 2018, 14:28
Re: Questions about Celestial Navigation	Francis Upchurch	18 Sep 2018, 10:56
Re: Is Celestial Navigation really a backup to GPS Navigation?	Gary LaPook	18 Sep 2018, 10:24
Re: Is Celestial Navigation really a backup to GPS Navigation?	Brad Morris	18 Sep 2018, 05:45
Re: Is Celestial Navigation really a backup to GPS Navigation?	Brad Morris	18 Sep 2018, 03:36
Re: John Wesley Powell's 1869 Lunar Observations from Grand Canyon	Frank Reed	18 Sep 2018, 00:45
Re: Is Celestial Navigation really a backup to GPS Navigation?	Frank Reed	17 Sep 2018, 20:56
Re: Is Celestial Navigation really a backup to GPS Navigation?	Brad Morris	17 Sep 2018, 19:40
John Wesley Powell's 1869 Lunar Observations from Grand Canyon	Stephen M Kerst	17 Sep 2018, 18:58
Unexpected USNO height correction precepts	Antoine Couëtte	17 Sep 2018, 15:22
Re: Questions about Celestial Navigation	Derrick Young	16 Sep 2018, 18:48
Re: Questions about Celestial Navigation	Bruce Cutting	16 Sep 2018, 16:56
Re: Questions about Celestial Navigation	Meg Wilson	16 Sep 2018, 10:53
Re: King's Point US Merchant Marine Ad	Frank Atkins	15 Sep 2018, 06:52
Re: King's Point US Merchant Marine Ad	Jeremy C	15 Sep 2018, 06:28
Re: Questions about Celestial Navigation	Frank Reed	15 Sep 2018, 04:10
Re: French Nautical Almanac for the year 1819	Frank Reed	15 Sep 2018, 04:05
Re: Questions about Celestial Navigation	Francis Upchurch	14 Sep 2018, 17:56
Re: Questions about Celestial Navigation	Francis Upchurch	14 Sep 2018, 03:48
Re: King's Point US Merchant Marine Ad	Robert VanderPol II	14 Sep 2018, 02:43
Re: King's Point US Merchant Marine Ad	Bob Goethe	13 Sep 2018, 22:49
Re: Questions about Celestial Navigation	Brad Morris	13 Sep 2018, 18:02
Re: King's Point US Merchant Marine Ad	Francis Upchurch	13 Sep 2018, 18:00
Re: Celestial Tools V5.7.0	Sam Lyness	13 Sep 2018, 17:39
King's Point US Merchant Marine Ad	Jackson McDonald	13 Sep 2018, 15:17
Re: Celestial Tools V5.7.0	Dave Walden	13 Sep 2018, 12:05
Re: French Nautical Almanac for the year 1819	Frank Reed	12 Sep 2018, 23:07
Polynesian navigation	Paul Hirose	12 Sep 2018, 19:10
Re: Questions about Celestial Navigation	Francis Upchurch	12 Sep 2018, 17:55
Celestial Tools V5.7.0	Stan K	12 Sep 2018, 16:32
Re: All Haversine Fix	Tony Oz	12 Sep 2018, 15:45
Re: Jan 1925 day change haunts us still...	Robert Wyatt	12 Sep 2018, 14:40
Re: Questions about Celestial Navigation	John D. Howard	12 Sep 2018, 14:19
Re: Questions about Celestial Navigation	Brad Morris	12 Sep 2018, 13:59
Re: GPS Selective Availability	Richard B. Langley	12 Sep 2018, 12:24
Re: Is Celestial Navigation really a backup to GPS Navigation?	Richard B. Langley	12 Sep 2018, 12:14
GPS Selective Availability	David Pike	12 Sep 2018, 06:50
Re: Questions about Celestial Navigation	Geoffrey Kolbe	12 Sep 2018, 05:50
Re: Is Celestial Navigation really a backup to GPS Navigation?	Peter Monta	12 Sep 2018, 04:22
Jan 1925 day change haunts us still...	Frank Reed	12 Sep 2018, 02:59
YouTube Short on Early Navigation	Greg Rudzinski	11 Sep 2018, 22:10
Re: Questions about Celestial Navigation	Jeremy C	11 Sep 2018, 22:01
Re: Is Celestial Navigation really a backup to GPS Navigation?	Jeremy C	11 Sep 2018, 21:27
WWV may be shut down	Keith Sternberg	11 Sep 2018, 19:33
Re: Questions about Celestial Navigation	John D. Howard	11 Sep 2018, 19:11
Re: Questions about Celestial Navigation	Don Seltzer	11 Sep 2018, 18:48
Re: All Haversine Fix	Greg Rudzinski	11 Sep 2018, 18:40
Re: Questions about Celestial Navigation	Greg Rudzinski	11 Sep 2018, 18:30
Re: Questions about Celestial Navigation	Chris Willmes	11 Sep 2018, 18:08
Re: Questions about Celestial Navigation	Frank Reed	11 Sep 2018, 17:35
Re: Questions about Celestial Navigation	Bob Goethe	11 Sep 2018, 17:28
Re: Questions about Celestial Navigation	Robert VanderPol II	11 Sep 2018, 15:30
All Haversine Fix	Lars Bergman	11 Sep 2018, 13:57
Re: Questions about Celestial Navigation	Peter Monta	11 Sep 2018, 10:52
Re: Questions about Celestial Navigation	Frank Atkins	11 Sep 2018, 06:01
Re: Is Celestial Navigation really a backup to GPS Navigation?	Geoffrey Kolbe	11 Sep 2018, 05:51
Re: Questions about Celestial Navigation	Brad Morris	11 Sep 2018, 03:01
Questions about Celestial Navigation	Frank Reed	11 Sep 2018, 00:49
Re: Is Celestial Navigation really a backup to GPS Navigation?	Frank Reed	11 Sep 2018, 00:26
Re: Is Celestial Navigation really a backup to GPS Navigation?	Roger W. Sinnott	10 Sep 2018, 23:53
Re: Is Celestial Navigation really a backup to GPS Navigation?	Brad Morris	10 Sep 2018, 21:14
Re: Astronomy DLL for .NET: SofaJpl 2.1.2 released	Paul Hirose	10 Sep 2018, 19:48
Re: Astronomy DLL for .NET: SofaJpl 2.1.2 released	Antoine Couëtte	10 Sep 2018, 11:51
Re: Is Celestial Navigation really a backup to GPS Navigation?	Jeremy C	10 Sep 2018, 09:31
Re: T Hav Doniol Sumner LOP Example	Herman Dekker	10 Sep 2018, 06:23
Re: Astronomy DLL for .NET: SofaJpl 2.1.2 released	Paul Hirose	10 Sep 2018, 05:23
Re: Uncommon navigational declination chart, 1850s	Greg Rudzinski	10 Sep 2018, 00:26
Uncommon navigational declination chart, 1850s	Jackson McDonald	9 Sep 2018, 22:55
T Hav Doniol Sumner LOP Example	Greg Rudzinski	9 Sep 2018, 17:58
French Nautical Almanac for the year 1819	Frank Reed	9 Sep 2018, 17:27
Re: Is Celestial Navigation really a backup to GPS Navigation?	Frank Reed	9 Sep 2018, 17:19
Re: All Haversine Time Sight	Tony Oz	9 Sep 2018, 07:53
Re: All Haversine Time Sight	Tony Oz	9 Sep 2018, 07:46
Re: All Haversine Time Sight	Brian Walton	9 Sep 2018, 06:15
Re: All Haversine Time Sight	Greg Rudzinski	8 Sep 2018, 23:23
Re: All Haversine Time Sight	Greg Rudzinski	8 Sep 2018, 22:13
Re: All Haversine Time Sight	Tony Oz	8 Sep 2018, 22:12
Re: All Haversine Time Sight	Greg Rudzinski	8 Sep 2018, 21:36
Re: All Haversine Time Sight	Tony Oz	8 Sep 2018, 20:59
Re: Mapquest coordinates	Brad Morris	8 Sep 2018, 19:16
Re: All Haversine Time Sight	Greg Rudzinski	8 Sep 2018, 17:06
Mapquest coordinates	Mike Burkes	8 Sep 2018, 15:31
All Haversine Time Sight	Greg Rudzinski	7 Sep 2018, 20:10
Re: GPS Anti Spoof app	Örjan Sandström	7 Sep 2018, 17:39
Is Celestial Navigation really a backup to GPS Navigation?	Brad Morris	6 Sep 2018, 16:36
Re: GPS Anti Spoof app	Tony Oz	6 Sep 2018, 16:18
Re: Android Celestial Nav Apps	Andrés Ruiz	6 Sep 2018, 04:47
Re: Android Celestial Nav Apps	Greg Rudzinski	6 Sep 2018, 02:12
Re: Space station sextant experiment	Robert Pearson	5 Sep 2018, 17:53
Android Celestial Nav Apps	Mark Coady	5 Sep 2018, 16:58
Re: Space station sextant experiment	Dave Walden	5 Sep 2018, 11:19
Space station sextant experiment	Paul Hirose	5 Sep 2018, 02:45
Re: Radio time signals disappear	Gene Vialle	4 Sep 2018, 20:34
Re: Radio time signals disappear	Gary LaPook	4 Sep 2018, 19:32
Re: Radio time signals disappear	Tony Oz	4 Sep 2018, 11:11
Re: Radio time signals disappear	Jeremy C	4 Sep 2018, 09:56
Re: Radio time signals disappear	Robert VanderPol II	4 Sep 2018, 04:22
Re: Radio time signals disappear	David Pike	3 Sep 2018, 22:26
Re: Bowditch, the New American Practical Navigator, First Edition	Frank Reed	3 Sep 2018, 21:40
Re: A Lunar I wish I saw...	Frank Reed	3 Sep 2018, 21:07
Bowditch, the New American Practical Navigator, First Edition	Jackson McDonald	3 Sep 2018, 21:06
Re: Radio time signals disappear	Gene Vialle	3 Sep 2018, 20:23
Re: A Lunar I wish I saw...	Antoine Couëtte	3 Sep 2018, 15:53
Re: Spotted a sextant	Mark Anthony Spinaze	3 Sep 2018, 09:27
A Lunar I wish I saw...	Tony Oz	3 Sep 2018, 08:40
Navigation Spreadsheets in 2019	Peter Hakel	2 Sep 2018, 22:40
Re: EU Backs Ending Daylight Saving Time	Örjan Sandström	2 Sep 2018, 11:57
Re: EU Backs Ending Daylight Saving Time	David Pike	1 Sep 2018, 19:46
EU Backs Ending Daylight Saving Time	Sean C	1 Sep 2018, 05:16
Astronomy DLL for .NET: SofaJpl 2.1.2 released	Paul Hirose	29 Aug 2018, 23:44
Re: Quiet Month for NavList	Frank Atkins	29 Aug 2018, 10:10
Re: 1870s navigation	Gary LaPook	29 Aug 2018, 07:03
Re: Radio time signals disappear	John D. Howard	29 Aug 2018, 01:41
Re: Radio time signals disappear	Robert VanderPol II	28 Aug 2018, 23:47
Re: 1870s navigation	Frank Reed	28 Aug 2018, 19:37
Re: Beginner's question	Andrés Ruiz	28 Aug 2018, 06:32
Re: Radio time signals disappear	Frank Reed	28 Aug 2018, 02:02
Re: Radio time signals disappear	Sean C	28 Aug 2018, 01:22
Re: Radio time signals disappear	Ed Popko	27 Aug 2018, 22:16
Re: Radio time signals disappear	Mike Mayer	27 Aug 2018, 21:28
Re: Radio time signals disappear	John D. Howard	27 Aug 2018, 19:27
Re: Radio time signals disappear	Brad Morris	27 Aug 2018, 17:50
Re: Beginner's question	Greg Rudzinski	27 Aug 2018, 15:46
Re: Where in the world?	Andrés Ruiz	27 Aug 2018, 12:52
Re: Radio time signals disappear	Roger W. Sinnott	27 Aug 2018, 09:38
Re: Beginner's question	Michael Bradley	27 Aug 2018, 09:08
Re: Beginner's question	Don Seltzer	27 Aug 2018, 02:56
Re: Beginner's question	Michael Bradley	26 Aug 2018, 23:19
Re: Where in the world?	Hewitt Schlereth	26 Aug 2018, 20:58
Re: Beginner's question	Greg Rudzinski	26 Aug 2018, 20:13
Re: Where in the world?	Örjan Sandström	26 Aug 2018, 19:59
Beginner's question	Chris Allison	26 Aug 2018, 17:34
Re: Who is Where on the Globe?	Frank Atkins	26 Aug 2018, 07:17
Re: Who is Where on the Globe?	Geoffrey Kolbe	26 Aug 2018, 06:45
Re: Who is Where on the Globe?	Frank Atkins	26 Aug 2018, 05:03
Re: Soviet navy emergency navigation manual (Pub.9049)	Paul Dolkas	26 Aug 2018, 02:46
Re: Where in the world?	Sean C	26 Aug 2018, 00:57
Re: Where in the world?	Sean C	26 Aug 2018, 00:12
Re: Where in the world?	Hewitt Schlereth	25 Aug 2018, 22:19
Re: Where in the world?	Sean C	25 Aug 2018, 00:47
Re: Where in the world?	Ron Jones	24 Aug 2018, 00:28
Re: Where in the world?	Ron Jones	23 Aug 2018, 22:35
Re: Where in the world?	Frank Reed	23 Aug 2018, 18:15
Re: Soviet navy emergency navigation manual (Pub.9049)	Tony Oz	23 Aug 2018, 13:38
Re: Where in the world?	Antoine Couëtte	22 Aug 2018, 13:05
Re: Where in the world?.	Lars Bergman	22 Aug 2018, 10:13
Re: Where in the world?.	Paul Bedel	21 Aug 2018, 20:45
Re: 1870s navigation	Gary LaPook	21 Aug 2018, 19:01
Re: Spotted a sextant	Frank Reed	21 Aug 2018, 05:29
Re: Spotted a sextant	Frank Reed	21 Aug 2018, 01:09
Re: Where in the world?	Frank Reed	20 Aug 2018, 20:25
Where in the world?	Ron Jones	20 Aug 2018, 19:28
Re: Spotted a sextant	Don Seltzer	20 Aug 2018, 16:21
Re: Spotted a sextant	Greg Rudzinski	20 Aug 2018, 16:01
Re: Spotted a sextant	Francis Upchurch	20 Aug 2018, 07:12
Re: Spotted a sextant	Geoffrey Kolbe	20 Aug 2018, 05:16
Re: Spotted a sextant	Frank Reed	20 Aug 2018, 02:57
Re: Spotted a sextant	Brad Morris	20 Aug 2018, 02:46
Re: Spotted a sextant	Mark Coady	19 Aug 2018, 21:14
Re: Spotted a sextant	Greg Rudzinski	19 Aug 2018, 19:12
Spotted a sextant	Frank Reed	19 Aug 2018, 18:53
My New Toy	Sean C	19 Aug 2018, 05:00
Re: The "bris" and Moon LoP?	Sean C	19 Aug 2018, 04:01
Re: Time and frequency from electrical power lines	Frank Reed	19 Aug 2018, 02:00
Re: Does anyone know what this is?	Frank Reed	19 Aug 2018, 01:36
Re: The "bris" and Moon LoP?	Greg Rudzinski	18 Aug 2018, 22:18
Re: The "bris" and Moon LoP?	Frank Reed	18 Aug 2018, 21:20
Re: Who is Where on the Globe?	Mark Coady	18 Aug 2018, 01:49
Re: Time and frequency from electrical power lines	Roger W. Sinnott	17 Aug 2018, 22:29
Re: Does anyone know what this is?	Brad Morris	17 Aug 2018, 18:10
Re: The "bris" and Moon LoP?	Greg Rudzinski	17 Aug 2018, 15:22
Re: Who is Where on the Globe?	Robert VanderPol II	17 Aug 2018, 12:28
Re: The "bris" and Moon LoP?	Tony Oz	17 Aug 2018, 11:31
Re: Does anyone know what this is?	David Pike	17 Aug 2018, 10:49
Re: Does anyone know what this is?	David Pike	17 Aug 2018, 08:16
Does anyone know what this is?	Doug MacPherson	17 Aug 2018, 04:28
Re: Who is Where on the Globe?	Sean C	17 Aug 2018, 03:54
Re: Who is Where on the Globe?	Frank Reed	17 Aug 2018, 01:39
Re: Who is Where on the Globe?	Robert VanderPol II	17 Aug 2018, 01:00
Re: The "bris" and Moon LoP?	Greg Rudzinski	16 Aug 2018, 22:58
Navigation Presentation in NYC, Sep. 15	Frank Reed	16 Aug 2018, 19:50
Re: The "bris" and Moon LoP?	Frank Reed	16 Aug 2018, 17:15
"Bris" calibration: to Hc vs to Hs. Accuracy?	Tony Oz	16 Aug 2018, 16:42
Re: ADMIN: NavList Operations contributions	Frank Reed	16 Aug 2018, 16:13
Re: Who is Where on the Globe?	Frank Reed	16 Aug 2018, 03:24
Re: Who is Where on the Globe?	Gerald van Wilgen	16 Aug 2018, 02:33
Re: Who is Where on the Globe?	Brad Morris	15 Aug 2018, 21:57
Re: The "bris" and Moon LoP?	Greg Rudzinski	15 Aug 2018, 15:27
Re: The "bris" and Moon LoP?	Tony Oz	15 Aug 2018, 09:05
Re: Who is Where on the Globe?	Tony Oz	15 Aug 2018, 08:54
Re: Who is Where on the Globe?	David Pike	15 Aug 2018, 06:20
Re: Death to the Mercator Projection	Sean C	15 Aug 2018, 05:36
Re: Who is Where on the Globe?	Herman Dekker	15 Aug 2018, 03:31
Re: Death to the Mercator Projection	Frank Reed	15 Aug 2018, 03:28
Re: Death to the Mercator Projection	David C	15 Aug 2018, 02:55
Re: Death to the Mercator Projection	David C	15 Aug 2018, 02:26
Re: Who is Where on the Globe?	John D. Howard	15 Aug 2018, 01:10
Who is Where on the Globe?	Herman Dekker	15 Aug 2018, 00:41
ADMIN: NavList Operations contributions	Frank Reed	14 Aug 2018, 23:29
Time and frequency from electrical power lines	Paul Hirose	14 Aug 2018, 22:03
Re: Radio time signals disappear	Paul Hirose	14 Aug 2018, 21:50
Re: Death to the Mercator Projection	Frank Reed	14 Aug 2018, 20:28
Re: The "bris" and Moon LoP?	Greg Rudzinski	14 Aug 2018, 17:46
Re: The "bris" and Moon LoP?	Greg Rudzinski	14 Aug 2018, 17:02
Re: Radio time signals disappear	Tony Oz	14 Aug 2018, 16:02
Re: Death to the Mercator Projection	John D. Howard	14 Aug 2018, 16:01
Equal Earth Map Projection	Gary Chambers	14 Aug 2018, 11:37
Re: Death to the Mercator Projection	David Pike	14 Aug 2018, 10:35
Re: Radio time signals disappear	Bill Lionheart	14 Aug 2018, 10:27
The "bris" and Moon LoP?	Tony Oz	14 Aug 2018, 10:27
Re: Death to the Mercator Projection	David Pike	14 Aug 2018, 09:31
Re: Radio time signals disappear	Sean C	14 Aug 2018, 04:57
Re: Practical Radar Plotting	John D. Howard	14 Aug 2018, 04:01
Re: Death to the Mercator Projection	John D. Howard	14 Aug 2018, 03:48
Re: Radio time signals disappear	Mike Mayer	14 Aug 2018, 00:20
Practical Radar Plotting	Mark Coady	13 Aug 2018, 18:52
Re: Death to the Mercator Projection	David Pike	13 Aug 2018, 08:38
Re: Radio time signals disappear	Sean C	13 Aug 2018, 05:48
Re: Death to the Mercator Projection	John D. Howard	12 Aug 2018, 15:41
Re: Death to the Mercator Projection	Tom Sult	12 Aug 2018, 14:36
Re: Death to the Mercator Projection	Mark Coady	12 Aug 2018, 02:36
Re: Nautical Almanac	Gary LaPook	12 Aug 2018, 02:03
Re: Nautical Almanac	Sean C	12 Aug 2018, 00:52
Re: Death to the Mercator Projection	John D. Howard	12 Aug 2018, 00:30
Re: Death to the Mercator Projection	Tracy Shrier	11 Aug 2018, 23:43
Re: Nautical Almanac	Paul Hirose	11 Aug 2018, 23:40
Re: Radio time signals disappear	Paul Hirose	11 Aug 2018, 22:59
Re: Nautical Almanac	Mike Burkes	11 Aug 2018, 19:46
Re: Nautical Almanac	Jean-Philippe Planas	11 Aug 2018, 11:08
Re: Nautical Almanac	Sean C	11 Aug 2018, 06:25
Re: Nautical Almanac	Robert VanderPol II	11 Aug 2018, 02:28
Re: Nautical Almanac	Alan S	10 Aug 2018, 22:10
Nautical Almanac	Mike Burkes	10 Aug 2018, 19:28
Death to the Mercator Projection	Frank Reed	10 Aug 2018, 02:42
Re: Radio time signals disappear	Richard Easton	9 Aug 2018, 18:04
Re: 1870s navigation	Frank Reed	9 Aug 2018, 15:51
Re: 1870s navigation	Gary LaPook	9 Aug 2018, 06:53
Re: Radio time signals disappear	Frank Reed	8 Aug 2018, 23:57
Re: Radio time signals disappear	Herbert Prinz	8 Aug 2018, 23:41
Re: Radio time signals disappear	Robert Wyatt	8 Aug 2018, 17:04
Re: Radio time signals disappear	Francis Upchurch	8 Aug 2018, 14:09
Re: Radio time signals disappear	Richard B. Langley	8 Aug 2018, 12:59
Re: Radio time signals disappear	Geoffrey Kolbe	8 Aug 2018, 05:28
Re: 1870s navigation	Greg Rudzinski	7 Aug 2018, 20:55
Re: 1870s navigation	Gary LaPook	7 Aug 2018, 17:27
Re: 1870s navigation	Gary LaPook	7 Aug 2018, 17:26
Re: It's four-planet fix time...	Antoine Couëtte	7 Aug 2018, 17:22
Radio time signals disappear	Herman Dekker	7 Aug 2018, 16:39
Re: 1870s navigation	Greg Rudzinski	6 Aug 2018, 19:22
Re: 1870s navigation	Alexandre Eremenko	6 Aug 2018, 17:18
Re: 1870s navigation	Frank Reed	6 Aug 2018, 15:34
1870s navigation	Harry Lewis	6 Aug 2018, 12:09
Re: Gnomonic charts and distances	Tony Oz	6 Aug 2018, 09:56
Re: It's four-planet fix time...	Antoine Couëtte	6 Aug 2018, 04:15
Re: It's four-planet fix time...	Greg Rudzinski	5 Aug 2018, 18:17
Re: It's four-planet fix time...	Lu Abel	5 Aug 2018, 17:21
Re: It's four-planet fix time...	Antoine Couëtte	5 Aug 2018, 16:21
Re: It's four-planet fix time...	Greg Rudzinski	4 Aug 2018, 23:51
Re: It's four-planet fix time...	Bruce Cutting	4 Aug 2018, 23:12
Re: It's four-planet fix time...	Derrick Young	4 Aug 2018, 23:00
Re: It's four-planet fix time...	Greg Rudzinski	4 Aug 2018, 17:15
Re: It's four-planet fix time...	Greg Rudzinski	3 Aug 2018, 18:15
Bris Sextant Projects	Greg Rudzinski	3 Aug 2018, 17:55
It's four-planet fix time...	Frank Reed	3 Aug 2018, 17:43
Re: "Horns" of the Moon are relatively horizontal?	Frank Reed	1 Aug 2018, 17:59
Re: "Horns" of the Moon are relatively horizontal?	Tony Oz	1 Aug 2018, 13:15
GNSS launches	Frank Reed	31 Jul 2018, 17:22
Re: "Horns" of the Moon are relatively horizontal?	Tony Oz	31 Jul 2018, 15:44
Re: François Coudraye, anyone?	Roger W. Sinnott	31 Jul 2018, 12:56
Re: "Horns" of the Moon are relatively horizontal?	Tony Oz	31 Jul 2018, 09:03
Re: François Coudraye, anyone?	Frank Reed	31 Jul 2018, 02:53
Re: François Coudraye, anyone?	Roger W. Sinnott	31 Jul 2018, 02:21
Re: "Horns" of the Moon are relatively horizontal?	Herman Dekker	31 Jul 2018, 02:07
Re: François Coudraye, anyone?	Marcel Tschudin	30 Jul 2018, 20:40
Re: Longitude Without Time - 1977 Luce Article	Francis Upchurch	30 Jul 2018, 20:16
Re: François Coudraye, anyone?	Murray Peake	30 Jul 2018, 20:07
Re: François Coudraye, anyone?	Marcel Tschudin	30 Jul 2018, 19:55
Re: François Coudraye, anyone?	Murray Peake	30 Jul 2018, 19:41
Re: François Coudraye, anyone?	Murray Peake	30 Jul 2018, 19:34
Re: "Horns" of the Moon are relatively horizontal?	Tony Oz	30 Jul 2018, 17:13
Re: "Horns" of the Moon are relatively horizontal?	Geoffrey Kolbe	30 Jul 2018, 17:11
François Coudraye, anyone?	Roger W. Sinnott	30 Jul 2018, 16:50
Re: "Horns" of the Moon are relatively horizontal?	Robert Wyatt	30 Jul 2018, 16:04
Re: Celestial navigation and the spherical Earth	Mark Coady	30 Jul 2018, 13:09
"Horns" of the Moon are relatively horizontal?	Herman Dekker	30 Jul 2018, 08:16
Re: Celestial navigation and the spherical Earth	Brian Walton	30 Jul 2018, 07:31
Celestial navigation and the spherical Earth	Frank Reed	30 Jul 2018, 05:36
Re: Longitude Without Time - 1977 Luce Article	Frank Reed	30 Jul 2018, 04:45
Re: Longitude Without Time - 1977 Luce Article	Mark Coady	29 Jul 2018, 18:45
Re: Longitude Without Time - 1977 Luce Article	Mark Coady	29 Jul 2018, 14:04
Re: Traditional navigation by slide rule	Gary LaPook	28 Jul 2018, 23:11
Longitude Without Time - 1977 Luce Article	Hewitt Schlereth	28 Jul 2018, 21:25
Re: How to See Mars Opposition	Frank Reed	27 Jul 2018, 18:24
Re: How to See Mars Opposition	Dave Walden	27 Jul 2018, 17:19
Re: Origins of civilian use of GPS	Richard B. Langley	27 Jul 2018, 12:01
How to See Mars Opposition	Jackson McDonald	27 Jul 2018, 01:43
Re: How close without a good Lunar?	Hewitt Schlereth	27 Jul 2018, 00:14
Re: Traditional navigation by slide rule	Alan S	26 Jul 2018, 21:20
Re: Longest total lunar eclipse in the 21st century	Brad Morris	26 Jul 2018, 19:57
Re: How close without a good Lunar?	Francis Upchurch	26 Jul 2018, 19:13
Re: Origins of civilian use of GPS	Richard Easton	26 Jul 2018, 19:04
Re: Origins of civilian use of GPS	Richard Easton	26 Jul 2018, 18:57
Re: How close without a good Lunar?	Hewitt Schlereth	26 Jul 2018, 14:13
Longest total lunar eclipse in the 21st century	Andrés Ruiz	26 Jul 2018, 05:48
Re: How close without a good Lunar?	Greg Rudzinski	25 Jul 2018, 22:05
Re: How close without a good Lunar?	Brad Morris	25 Jul 2018, 20:15
Re: How close without a good Lunar?	Francis Upchurch	25 Jul 2018, 15:39
Re: How close without a good Lunar?	Francis Upchurch	25 Jul 2018, 13:04
Re: How close without a good Lunar?	Herbert Prinz	25 Jul 2018, 07:51
Re: How close without a good Lunar?	Andrés Ruiz	25 Jul 2018, 07:39
Re: How close without a good Lunar?	Peter Monta	25 Jul 2018, 06:58
Re: How close without a good Lunar?	Francis Upchurch	24 Jul 2018, 16:23
Re: How close without a good Lunar?	Robert VanderPol II	24 Jul 2018, 13:08
Re: How close without a good Lunar?	Francis Upchurch	24 Jul 2018, 09:39
Re: Tips and tricks: angle normalisation	Tony Oz	24 Jul 2018, 08:18
Re: How close without a good Lunar?	Greg Rudzinski	24 Jul 2018, 04:51
How close without a good Lunar?	Mark Coady	24 Jul 2018, 02:39
Re: Origins of civilian use of GPS	Lu Abel	23 Jul 2018, 21:48
Re: Origins of civilian use of GPS	Roger W. Sinnott	23 Jul 2018, 21:01
Re: Origins of civilian use of GPS	Frank Reed	23 Jul 2018, 18:48
Re: Tips and tricks: angle normalisation	Frank Reed	23 Jul 2018, 18:13
Lunar parallax via photography	Peter Monta	23 Jul 2018, 18:10
Tips and tricks: angle normalisation	Tony Oz	23 Jul 2018, 15:44
Re: Origins of civilian use of GPS	Joe Dempster	23 Jul 2018, 10:35
Re: Origins of civilian use of GPS	Gary LaPook	23 Jul 2018, 05:50
Re: Origins of civilian use of GPS	Frank Reed	23 Jul 2018, 03:27
GGR: a dozen still racing	Frank Reed	23 Jul 2018, 02:36
Re: Origins of civilian use of GPS	Roger W. Sinnott	23 Jul 2018, 01:10
Re: Did transistors transform celestial navigation?	Frank Reed	22 Jul 2018, 23:48
Re: Origins of civilian use of GPS	Frank Reed	22 Jul 2018, 23:19
Re: Origins of civilian use of GPS	Frank Reed	22 Jul 2018, 21:35
Re: Mid-Atlantic broadband	Bill B	22 Jul 2018, 20:06
Mid-Atlantic broadband	Frank Reed	22 Jul 2018, 19:53
Re: How to calculate location of the Earth on the moon (lunar eclipses)?	David Fleming	21 Jul 2018, 17:14
Re: The Moon on Moon Day	Frank Reed	20 Jul 2018, 23:50
The Moon on Moon Day	Frank Reed	20 Jul 2018, 23:15
How to calculate location of the Earth on the moon (lunar eclipses)?	Ziad Anas	20 Jul 2018, 22:57
Windows 10 will get better at telling time with new leap second support	Andrés Ruiz	20 Jul 2018, 06:16
Re: Better/easier GHA(Aries) formula?	Frank Reed	20 Jul 2018, 05:59
Re: Better/easier GHA(Aries) formula?	Sean C	20 Jul 2018, 05:54
Re: Better/easier GHA(Aries) formula?	Tony Oz	19 Jul 2018, 15:01
Re: Chart Plotting Pencil Leads	Greg Rudzinski	19 Jul 2018, 02:46
Re: Chart Plotting Pencil Leads	William Edward Henry	19 Jul 2018, 01:05
Re: Bowditch 1802 - First edition	Sam Lyness	19 Jul 2018, 00:17
Re: Chart Plotting Pencil Leads	Alan S	19 Jul 2018, 00:02
Re: Did transistors transform celestial navigation?	David C	18 Jul 2018, 22:44
Re: Better/easier GHA(Aries) formula?	Tony Oz	18 Jul 2018, 11:12
Re: Better/easier GHA(Aries) formula?	Tony Oz	18 Jul 2018, 08:15
Re: Better/easier GHA(Aries) formula?	Gary LaPook	18 Jul 2018, 06:47
Re: Did transistors transform celestial navigation?	Geoffrey Kolbe	18 Jul 2018, 06:44
Re: Did transistors transform celestial navigation?	Bob Goethe	17 Jul 2018, 23:10
Re: Did transistors transform celestial navigation?	Bob Goethe	17 Jul 2018, 22:54
Re: Better/easier GHA(Aries) formula?	Sean C	17 Jul 2018, 22:25
Re: Better/easier GHA(Aries) formula?	Frank Reed	17 Jul 2018, 18:29
Better/easier GHA(Aries) formula?	Tony Oz	17 Jul 2018, 11:16
Re: Venus Moon CPA Tonight	David Smith	17 Jul 2018, 10:15
Re: What is this Slide Rule?	David C	17 Jul 2018, 02:07
Re: Shiny and golden? It's not a real sextant	Frank Reed	16 Jul 2018, 16:52
Re: Shiny and golden? It's not a real sextant	Jim Hickey	16 Jul 2018, 14:39
Re: Venus Moon CPA Tonight	Ed Popko	16 Jul 2018, 09:56
Venus Moon CPA Tonight	Greg Rudzinski	16 Jul 2018, 03:56
Bowditch 1802 - First edition	Jackson McDonald	15 Jul 2018, 22:45
Re: Shiny and golden? It's not a real sextant	Norm Goldblatt	15 Jul 2018, 20:56
Re: What is this Slide Rule?	Francis Upchurch	15 Jul 2018, 19:27
Re: Shiny and golden? It's not a real sextant	Ed Popko	15 Jul 2018, 19:07
Re: What is this Slide Rule?	Francis Upchurch	15 Jul 2018, 18:54
Shiny and golden? It's not a real sextant	Frank Reed	15 Jul 2018, 18:48
Re: What is this Slide Rule?	Frank Reed	15 Jul 2018, 18:37
Re: What is this Slide Rule?	Francis Upchurch	15 Jul 2018, 18:19
Re: What is this Slide Rule?	Noell Wilson	15 Jul 2018, 14:44
19th century navigation time systems	Ed Popko	15 Jul 2018, 07:01
Re: What is this Slide Rule?	Francis Upchurch	15 Jul 2018, 05:01
Re: What is this Slide Rule?	Greg Rudzinski	15 Jul 2018, 03:45
What is this Slide Rule?	David C	15 Jul 2018, 02:54
Re: Did transistors transform celestial navigation?	David Pike	14 Jul 2018, 21:59
Re: Did transistors transform celestial navigation?	Ed Popko	14 Jul 2018, 15:49
Re: Did transistors transform celestial navigation?	John D. Howard	14 Jul 2018, 14:15
Re: Reading degrees on a sextant	Ed Popko	14 Jul 2018, 11:12
Re: Reading degrees on a sextant	Michael Bradley	14 Jul 2018, 10:08
Re: Did transistors transform celestial navigation?	David C	14 Jul 2018, 09:18
Re: Did transistors transform celestial navigation?	Wolfgang Köberer	14 Jul 2018, 09:10
Re: Did transistors transform celestial navigation?	Alexandre Eremenko	14 Jul 2018, 08:03
Re: Did transistors transform celestial navigation?	Francis Upchurch	14 Jul 2018, 05:11
Re: Did transistors transform celestial navigation?	Mark Coady	14 Jul 2018, 03:18
Did transistors transform celestial navigation?	Frank Reed	14 Jul 2018, 00:21
Reading degrees on a sextant	Frank Reed	13 Jul 2018, 22:42
Re: Repair for John Carter Chronometer Cornhill 738 circa 1862	Barry Carter	11 Jul 2018, 13:57
Re: Sextant in Avro Vulcan	David Pike	11 Jul 2018, 09:09
Re: Sextant in Avro Vulcan	Charles McElhill	10 Jul 2018, 20:58
Sextant in Avro Vulcan	Frank Reed	10 Jul 2018, 00:08
Re: Meridian-anchored Noon Sun	Paul Hughes	9 Jul 2018, 17:43
Re: Meridian-anchored Noon Sun	Peter Monta	9 Jul 2018, 17:38
Re: Meridian-anchored Noon Sun	David Fleming	8 Jul 2018, 20:18
Re: Meridian-anchored Noon Sun	Peter Monta	8 Jul 2018, 15:59
Repair for John Carter Chronometer Cornhill 738 circa 1862	Ron Legacy	7 Jul 2018, 19:27
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?	Tracy Shrier	7 Jul 2018, 16:53
Re: Negative v correction	Terry Syrokosz	6 Jul 2018, 23:38
Re: Origins of civilian use of GPS	Peter Monta	6 Jul 2018, 15:58
Re: Negative v correction	Stan K	5 Jul 2018, 20:01
Re: Negative v correction	Gary LaPook	5 Jul 2018, 19:18
Re: Negative v correction	Terry Syrokosz	5 Jul 2018, 17:13
Re: Negative v correction	Terry Syrokosz	5 Jul 2018, 17:05
Re: Negative v correction	Stan K	5 Jul 2018, 15:58
Negative v correction	Terry Syrokosz	5 Jul 2018, 15:00
Re: Origins of civilian use of GPS	Richard B. Langley	5 Jul 2018, 13:29
Origins of civilian use of GPS	Richard Easton	4 Jul 2018, 22:42
Re: Starting a poem for Lunars & a new wobbly sight platform.	Ed Popko	4 Jul 2018, 10:05
Re: Golden Globe Race 2018 start	David C	4 Jul 2018, 07:37
Re: Year USNO launched Celestial Navigation Data webpage	David C	4 Jul 2018, 07:22
Re: Starting a poem for Lunars & a new wobbly sight platform.	Mark Coady	4 Jul 2018, 04:13
Starting a poem for Lunars & a new wobbly sight platform.	Mark Coady	4 Jul 2018, 03:29
Re: Year USNO launched Celestial Navigation Data webpage	Gary LaPook	3 Jul 2018, 00:48
Re: Year USNO launched Celestial Navigation Data webpage	Frank Reed	2 Jul 2018, 23:06
Year USNO launched Celestial Navigation Data webpage	Ed Popko	2 Jul 2018, 21:35
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?	Bob Peterson	1 Jul 2018, 16:58
Re: Golden Globe Race 2018 start	Tom Sult	1 Jul 2018, 16:31
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?	Alejandro Purgue	1 Jul 2018, 16:08
Re: Golden Globe Race 2018 start	Greg Rudzinski	1 Jul 2018, 16:08
Golden Globe Race 2018 start	Luc Van den Borre	1 Jul 2018, 14:07
Re: Camera Bris Sextant Exercise	Greg Rudzinski	30 Jun 2018, 21:17
Re: What Three Words at sea	Gary LaPook	30 Jun 2018, 19:58
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?	John Tygart	30 Jun 2018, 14:37
Re: What Three Words at sea	Ed Popko	30 Jun 2018, 11:48
Re: What Three Words at sea	Bill Lionheart	30 Jun 2018, 09:13
Re: What Three Words at sea	Frank Reed	30 Jun 2018, 08:07
Re: What Three Words at sea	David C	30 Jun 2018, 03:04
Re: The "Tables Requisite" (1781) on eBay	Frank Reed	30 Jun 2018, 02:15
Re: What Three Words at sea	Frank Reed	29 Jun 2018, 23:24
Re: What Three Words at sea	Bill Lionheart	29 Jun 2018, 20:08
Re: What Three Words at sea	Greg Rudzinski	29 Jun 2018, 18:51
Re: What Three Words at sea	Sean C	29 Jun 2018, 02:07
Re: What Three Words at sea	Robert VanderPol II	29 Jun 2018, 01:54
What Three Words at sea	Bill B	28 Jun 2018, 20:10
Re: Time standard for the Space Station	Don Seltzer	28 Jun 2018, 17:10
Re: Time standard for the Space Station	John D. Howard	28 Jun 2018, 15:16
Re: Time standard for the Space Station	Mike Mayer	28 Jun 2018, 11:57
Re: Time standard for the Space Station	Frank Reed	28 Jun 2018, 03:27
Re: Longitude Sight, South Pacific, 1864 - Revisited	Henry Halboth	28 Jun 2018, 02:33
Meridian-anchored Noon Sun	Frank Reed	28 Jun 2018, 02:23
Re: Time standard for the Space Station	Paul Dolkas	28 Jun 2018, 00:52
Re: Camera Bris Sextant Exercise	Greg Rudzinski	27 Jun 2018, 23:34
Re: Time standard for the Space Station	Frank Reed	27 Jun 2018, 19:43
Time standard for the Space Station	Paul Dolkas	27 Jun 2018, 18:16
Re: Longitude Sight, South Pacific, 1864 - Revisited	Ed Popko	27 Jun 2018, 10:53
Re: Camera Bris Sextant Exercise	Peter Monta	27 Jun 2018, 06:40
Longitude Sight, South Pacific, 1864 - Revisitrd	Henry Halboth	27 Jun 2018, 01:33
Camera Bris Sextant Exercise	Greg Rudzinski	26 Jun 2018, 19:50
Bowditch's "Navigator" (1832) on eBay	Frank Reed	26 Jun 2018, 02:15
The "Tables Requisite" (1781) on eBay	Frank Reed	26 Jun 2018, 01:01
Re: Flat Bygrave alternative configuration	Herman Dekker	25 Jun 2018, 23:58
Re: Flat Bygrave alternative configuration	Robin Stuart	25 Jun 2018, 17:33
Re: Flat Bygrave alternative configuration	Herman Dekker	25 Jun 2018, 17:14
Re: Gary LaPooks Flat Bygrave	Robin Stuart	25 Jun 2018, 15:18
Re: Gary LaPooks Flat Bygrave	Gary LaPook	25 Jun 2018, 07:30
Gary LaPooks Flat Bygrave	Alan S	25 Jun 2018, 00:41
Re: Where was the solstice?	Paul Hirose	23 Jun 2018, 20:24
Re: Status Report on Navigator's Slide Rule	Sean Johnston	22 Jun 2018, 20:37
Possible email message malware	Frank Reed	22 Jun 2018, 17:54
Re: Where was the solstice?	Geoffrey Kolbe	22 Jun 2018, 06:29
Re: Determining refraction in 19th Century	Ed Popko	22 Jun 2018, 00:25
Re: Status Report on Navigator's Slide Rule	Bob Goethe	21 Jun 2018, 23:48
Re: Where was the solstice?	Bill B	21 Jun 2018, 20:53
Re: Where was the solstice?	Antoine Couëtte	21 Jun 2018, 19:34
Re: Status Report on Navigator's Slide Rule	Sean Johnston	21 Jun 2018, 14:53
Re: Where was the solstice?	John D. Howard	21 Jun 2018, 14:46
Re: Determining refraction in 19th Century	Bruce J. Pennino	21 Jun 2018, 13:12
Where was the solstice?	Frank Reed	21 Jun 2018, 13:04
Determining refraction in 19th Century	Ed Popko	21 Jun 2018, 10:37
The Astrograph Explained	David Pike	20 Jun 2018, 18:41
Re: Which Nav-Station is this?	David Pike	20 Jun 2018, 18:10
Re: Which Nav-Station is this?	Paul Hirose	20 Jun 2018, 17:44
Re: Which Nav-Station is this?	John D. Howard	20 Jun 2018, 16:21
Re: Which Nav-Station is this?	David Pike	20 Jun 2018, 08:58
Re: Which Nav-Station is this?	John D. Howard	19 Jun 2018, 22:00
Re: Which Nav-Station is this?	John D. Howard	19 Jun 2018, 20:16
Re: Shadows on Google Maps Satellite Photographs	David Pike	18 Jun 2018, 09:55
Which Nav-Station is this?	David Pike	18 Jun 2018, 08:24
Re: Kollsman sextant with MOUNT now on ebay.	Jacob M. Huffman III	17 Jun 2018, 22:52
Re: Kollsman sextant with MOUNT now on ebay.	David Pike	17 Jun 2018, 21:11
Re: Bubble sextant patents	Robert Eno	17 Jun 2018, 17:39
Re: Bubble sextant patents	Greg Rudzinski	17 Jun 2018, 17:14
Bubble sextant patents	Ed Popko	17 Jun 2018, 11:09
Kollsman sextant with MOUNT now on ebay.	Gary LaPook	16 Jun 2018, 22:38
Re: Lunar laser eye safety	Peter Monta	15 Jun 2018, 10:51
Lunar laser eye safety	Paul Hirose	14 Jun 2018, 23:54
Re: Shadows on Google Maps Satellite Photographs	Sean C	14 Jun 2018, 23:06
Re: Hamilton 4992B GCT watch FS	Bill Morris	14 Jun 2018, 19:19
Re: Shadows on Google Maps Satellite Photographs	Frank Reed	14 Jun 2018, 18:37
Re: Hamilton 4992B GCT watch FS	Greg Rudzinski	14 Jun 2018, 18:24
Shadows on Google Maps Satellite Photographs	David Pike	14 Jun 2018, 14:03
Hamilton 4992B GCT watch FS	Paul Hirose	14 Jun 2018, 05:05
Re: A Ball Bearing in a dish as a reference	Frank Reed	13 Jun 2018, 21:13
Re: A Ball Bearing in a dish as a reference	Brad Morris	13 Jun 2018, 20:03
Low tech around the world race	Gerald van Wilgen	13 Jun 2018, 17:12
Re: C Plath Sextant	Gerald van Wilgen	13 Jun 2018, 17:08
Re: C Plath Sextant	Richard Libby	13 Jun 2018, 16:23
Re: Shortwave radio and the evolution of celestial navigation	Ed Popko	13 Jun 2018, 10:26
Re: A Ball Bearing in a dish as a reference	Tony Oz	13 Jun 2018, 08:59
Re: Shortwave radio and the evolution of celestial navigation	Bob Goethe	13 Jun 2018, 08:53
Re: Shortwave radio and the evolution of celestial navigation	Francis Upchurch	13 Jun 2018, 07:44
Re: Shortwave radio and the evolution of celestial navigation	Francis Upchurch	13 Jun 2018, 07:41
Re: Dip short	Stan K	13 Jun 2018, 05:50
Re: Shortwave radio and the evolution of celestial navigation	Geoffrey Kolbe	13 Jun 2018, 05:46
Re: Shortwave radio and the evolution of celestial navigation	Gary LaPook	13 Jun 2018, 05:22
Re: Shortwave radio and the evolution of celestial navigation	Gary LaPook	13 Jun 2018, 05:19
Re: Shortwave radio and the evolution of celestial navigation	Gary LaPook	13 Jun 2018, 05:17
Re: Shortwave radio and the evolution of celestial navigation	Hewitt Schlereth	13 Jun 2018, 01:44
Re: Dip short	Frank Reed	13 Jun 2018, 01:35
Dip short	Jackson McDonald	13 Jun 2018, 00:46
Re: Shortwave radio and the evolution of celestial navigation	Greg Rudzinski	12 Jun 2018, 22:53
Another factor of ten for smartphone navigation	Frank Reed	12 Jun 2018, 22:48
Re: Shortwave radio and the evolution of celestial navigation	Bill Lionheart	12 Jun 2018, 22:22
Re: Shortwave radio and the evolution of celestial navigation	Greg Rudzinski	12 Jun 2018, 22:08
Re: Shortwave radio and the evolution of celestial navigation	Hewitt Schlereth	12 Jun 2018, 21:03
Re: Shortwave radio and the evolution of celestial navigation	Ed Popko	12 Jun 2018, 20:38
Re: Shortwave radio and the evolution of celestial navigation	Francis Upchurch	12 Jun 2018, 20:08
Shortwave radio and the evolution of celestial navigation	Frank Reed	12 Jun 2018, 19:00
Re: Movie Adrift	Hewitt Schlereth	11 Jun 2018, 22:10
Re: Movie Adrift	Frank Reed	11 Jun 2018, 15:41
Re: Movie Adrift	Ed Popko	11 Jun 2018, 10:19
Re: In memoriam: Yves Robin-Jouan	Andrés Ruiz	11 Jun 2018, 09:47
Re: Movie Adrift	Gary LaPook	11 Jun 2018, 04:32
Re: Movie Adrift	Pete Solon Palmer	11 Jun 2018, 02:46
Re: Movie Adrift	Frank Reed	10 Jun 2018, 23:37
Movie Adrift	Greg Rudzinski	10 Jun 2018, 23:22
Re: Chronology of Celestial Navigation and Related Topics	Frank Reed	10 Jun 2018, 18:43
Re: Chronology of Celestial Navigation and Related Topics	Ed Popko	10 Jun 2018, 18:21
Re: Chronology of Celestial Navigation and Related Topics	Ed Popko	10 Jun 2018, 18:11
Re: Chronology of Celestial Navigation and Related Topics	Frank Reed	10 Jun 2018, 16:29
Re: Chronology of Celestial Navigation and Related Topics	John D. Howard	10 Jun 2018, 15:17
Re: A Ball Bearing in a dish as a reference	Brad Morris	10 Jun 2018, 14:14
Re: Awesome	Brad Morris	10 Jun 2018, 14:04
Re: Chronology of Celestial Navigation and Related Topics	John D. Howard	10 Jun 2018, 13:57
Re: Chronology of Celestial Navigation and Related Topics	Francis Upchurch	10 Jun 2018, 11:21
Re: Chronology of Celestial Navigation and Related Topics (Update 1)	Ed Popko	10 Jun 2018, 11:19
Re: Chronology of Celestial Navigation and Related Topics	Bill Lionheart	10 Jun 2018, 08:58
Re: A Ball Bearing in a dish as a reference	Peter Monta	10 Jun 2018, 07:01
Re: A Ball Bearing in a dish as a reference	Peter Monta	10 Jun 2018, 06:41
Re: A Ball Bearing in a dish as a reference	Paul Hirose	10 Jun 2018, 05:41
Re: Chronology of Celestial Navigation and Related Topics	David C	10 Jun 2018, 03:04
Awesome	Gerald van Wilgen	10 Jun 2018, 01:26
Re: C Plath Sextant	Ed Popko	9 Jun 2018, 19:11
Re: C Plath Sextant	Frank Reed	9 Jun 2018, 18:01
C Plath Sextant	Richard Libby	9 Jun 2018, 17:37
Re: Ebay kollsman periscope sextants	Noell Wilson	9 Jun 2018, 16:56
Re: Chronology of Celestial Navigation and Related Topics	Ed Popko	9 Jun 2018, 09:29
Re: A Ball Bearing in a dish as a reference	Peter Monta	9 Jun 2018, 07:36
Re: A Ball Bearing in a dish as a reference	Paul Hirose	9 Jun 2018, 05:18
Re: Chronology of Celestial Navigation and Related Topics	Bob Goethe	8 Jun 2018, 23:32
Re: Pre Calculating (Hp) For Fixed Angle Reflectors	Greg Rudzinski	8 Jun 2018, 21:06
In memoriam: Yves Robin-Jouan	Frank Reed	8 Jun 2018, 20:36
Re: Pre Calculating (Hp) For Fixed Angle Reflectors	C Solo	8 Jun 2018, 19:02
BBC: Ship hack 'risks chaos in English Channel'	Bob Goethe	8 Jun 2018, 17:55
Re: Ebay kollsman periscope sextants	Noell Wilson	8 Jun 2018, 16:21
Re: Chronology of Celestial Navigation and Related Topics	Ed Popko	8 Jun 2018, 14:25
Re: Chronology of Celestial Navigation and Related Topics	Antoine Couëtte	8 Jun 2018, 12:01
Chronology of Celestial Navigation and Related Topics	Ed Popko	8 Jun 2018, 10:57
Re: C. Plath optical instrument	Luc Van den Borre	8 Jun 2018, 07:11
Re: C. Plath optical instrument	Sean C	8 Jun 2018, 04:56
C. Plath optical instrument	Frank Reed	8 Jun 2018, 03:36
Precalculating LHA(t) for Fixed Angle Reflectors	Greg Rudzinski	8 Jun 2018, 01:34
Re: A Ball Bearing in a dish as a reference	Paul Dolkas	7 Jun 2018, 17:06
Re: Ebay kollsman periscope sextants	Paul Dolkas	7 Jun 2018, 17:03
Re: Ebay kollsman periscope sextants	Noell Wilson	7 Jun 2018, 14:01
A Ball Bearing in a dish as a reference	David Pike	7 Jun 2018, 12:19
Re: Ebay kollsman periscope sextants	David Pike	7 Jun 2018, 07:55
Re: Ebay kollsman periscope sextants	Paul Dolkas	7 Jun 2018, 01:00
Re: Ebay kollsman periscope sextants	David Pike	6 Jun 2018, 15:03
Re: How height affects sun altitude	Ziad Anas	6 Jun 2018, 09:28
Re: Beating a Dead Horse (aka Worsley's Sextant)	Brad Morris	6 Jun 2018, 00:44
Re: How height affects sun altitude	Gary LaPook	5 Jun 2018, 22:06
Re: How height affects sun altitude	Ziad Anas	5 Jun 2018, 20:22
Re: Beating a Dead Horse (aka Worsley's Sextant)	David Pike	5 Jun 2018, 20:10
Re: How height affects sun altitude	Frank Reed	5 Jun 2018, 18:44
Re: Ebay kollsman periscope sextants	Paul Dolkas	5 Jun 2018, 18:41
Re: Ebay kollsman periscope sextants	David Pike	5 Jun 2018, 15:12
Re: Ebay kollsman periscope sextants	Merlijn Frijda	5 Jun 2018, 12:34
How height affects sun altitude‏	Ziad Anas	5 Jun 2018, 11:23
Re: Ebay kollsman periscope sextants	Gary LaPook	5 Jun 2018, 07:52
Re: Ebay kollsman periscope sextants	Paul Dolkas	4 Jun 2018, 23:51
Re: Ebay kollsman periscope sextants	Paul Dolkas	4 Jun 2018, 23:39
Re: Pre Calculating (Hp) For Fixed Angle Reflectors	Fran Herranz	4 Jun 2018, 22:36
Re: Ebay kollsman periscope sextants	Chris Caswell	4 Jun 2018, 22:34
Re: Pre Calculating (Hp) For Fixed Angle Reflectors	Greg Rudzinski	4 Jun 2018, 20:26
Re: Pre Calculating (Hp) For Fixed Angle Reflectors	Fran Herranz	4 Jun 2018, 18:37
Re: Pre Calculating (Hp) For Fixed Angle Reflectors	Greg Rudzinski	4 Jun 2018, 17:34
Re: Pre Calculating (Hp) For Fixed Angle Reflectors	Fran Herranz	4 Jun 2018, 16:19
Re: Ebay kollsman periscope sextants	David Pike	4 Jun 2018, 13:15
Re: Stacked-mirror sextant	Peter Monta	4 Jun 2018, 13:06
Ebay kollsman periscope sextants	Merlijn Frijda	4 Jun 2018, 00:23
Pre Calculating (Hp) For Fixed Angle Reflectors	Greg Rudzinski	3 Jun 2018, 17:24
Re: Stacked-mirror sextant	Greg Rudzinski	3 Jun 2018, 16:39
Re: Stacked-mirror sextant	Tony Oz	3 Jun 2018, 11:26
Re: Latitude by two altitudes and the elapsed time	Andrés Ruiz	3 Jun 2018, 09:52
Re: Bris reflector and stacked Bris reflectors	Greg Rudzinski	3 Jun 2018, 00:35
Bris reflector and stacked Bris reflectors	Bob Crawley	2 Jun 2018, 12:37
Practical Air Navigation (C&GS Special Publication 197)	Paul Hirose	2 Jun 2018, 06:00
Re: Stacked-mirror sextant	Peter Monta	1 Jun 2018, 23:16
Re: Boeing Clipper 1930s	David C	1 Jun 2018, 22:40
Re: Latitude by two altitudes and the elapsed time	Geoffrey Kolbe	1 Jun 2018, 18:47
Re: Stacked-mirror sextant	Tony Oz	1 Jun 2018, 18:01
Re: Boeing Clipper 1930s	Ed Popko	1 Jun 2018, 15:58
Re: Boeing Clipper 1930s	Noell Wilson	1 Jun 2018, 14:02
Re: Boeing Clipper 1930s	John D. Howard	1 Jun 2018, 13:22
Re: Boeing Clipper 1930s	Brad Morris	1 Jun 2018, 13:03
Re: Stacked-mirror sextant	Peter Monta	1 Jun 2018, 12:58
Re: Boeing Clipper 1930s	Ed Popko	1 Jun 2018, 12:29
Re: Boeing Clipper 1930s	Geoffrey Kolbe	1 Jun 2018, 12:15
Re: Stacked-mirror sextant	Greg Rudzinski	1 Jun 2018, 03:25
Boeing Clipper 1930s	Jackson McDonald	31 May 2018, 22:56
Re: Stacked-mirror sextant	Tony Oz	31 May 2018, 13:49
Latitude by two altitudes and the elapsed time	Andrés Ruiz	31 May 2018, 10:07
Stacked-mirror sextant	Peter Monta	31 May 2018, 06:09
Celesticomp V complete	Bob Todd	29 May 2018, 17:38
Re: Lunar limb illumination when nearly full?	Frank Reed	28 May 2018, 20:46
Re: Lunar limb illumination when nearly full?	Paul Hughes	28 May 2018, 08:53
Lunar limb illumination when nearly full?	Peter Monta	28 May 2018, 06:44
Re: For which celestial bodies is it relevant to display the lunar distance?	Jorrit Visser	26 May 2018, 18:13
Re: Time-sight time conventions	Roger W. Sinnott	26 May 2018, 17:38
Re: Time-sight time conventions	Ed Popko	25 May 2018, 18:01
Re: Time-sight time conventions	John D. Howard	25 May 2018, 16:17
Re: Time-sight time conventions	Ed Popko	25 May 2018, 14:52
Re: Time-sight time conventions	Roger W. Sinnott	25 May 2018, 13:32
Re: For which celestial bodies is it relevant to display the lunar distance?	Tony Oz	25 May 2018, 13:02
Re: Time-sight time conventions	John D. Howard	25 May 2018, 11:20
Re: The American Meridian	Peter Monta	25 May 2018, 04:12
Re: Cassens & Plath with DHI Label	Rob Hansen	24 May 2018, 21:39
Re: Cassens & Plath with DHI Label	Rob Hansen	24 May 2018, 19:50
Re: Cassens & Plath with DHI Label	Luc Van den Borre	24 May 2018, 19:49
Re: (off-topic) Navigation and guidance automation	Peter Smith	24 May 2018, 19:41
Re: Cassens & Plath with DHI Label	Wolfgang Köberer	24 May 2018, 17:54
Cassens & Plath with DHI Label	Rob Hansen	24 May 2018, 17:41
Re: For which celestial bodies is it relevant to display the lunar distance?	Jorrit Visser	24 May 2018, 13:40
New books	Wolfgang Köberer	24 May 2018, 13:30
Re: The American Meridian	John D. Howard	24 May 2018, 11:51
Re: Survival Sextant	Greg Rudzinski	24 May 2018, 11:39
Re: Survival Sextant	Peter Monta	24 May 2018, 03:28
Re: The American Meridian	Peter Monta	24 May 2018, 03:04
Re: The American Meridian	Frank Reed	24 May 2018, 02:37
Re: The American Meridian	Dave Walden	24 May 2018, 01:55
Re: The American Meridian	Bruce J. Pennino	23 May 2018, 21:07
Re: Sextants in space	Bob Goethe	23 May 2018, 21:06
Re: Time-sight time conventions	Ed Popko	23 May 2018, 20:59
Re: The American Meridian	Jackson McDonald	23 May 2018, 20:40
Re: The American Meridian	Robert VanderPol II	23 May 2018, 19:12
Re: The American Meridian	Robert Wyatt	23 May 2018, 18:52
Re: The American Meridian	Paul Hughes	23 May 2018, 18:32
The American Meridian	Jackson McDonald	23 May 2018, 17:44
Re: Sextants in space	Ed Popko	23 May 2018, 17:25
Fogging Optics	Rob Hansen	23 May 2018, 14:37
Survival Sextant	Greg Rudzinski	23 May 2018, 14:17
Re: Sextants in space	Paul Dolkas	23 May 2018, 06:14
Re: Time-sight time conventions	Paul Hirose	23 May 2018, 04:38
L'Hermione in Pasajes	Andrés Ruiz	22 May 2018, 19:24
(off-topic) Navigation and guidance automation	Frank Reed	22 May 2018, 18:51
Re: Sextants in space	Frank Reed	22 May 2018, 17:43
Re: Time-sight time conventions	Frank Reed	22 May 2018, 14:35
Re: Time-sight time conventions	Don Seltzer	22 May 2018, 14:34
Re: Time-sight time conventions	Ed Popko	22 May 2018, 11:42
Re: Time-sight time conventions	Paul Hirose	22 May 2018, 05:16
Re: Small booklet of EOT and Dec	Paul Hughes	22 May 2018, 04:47
Re: Longitude sight, South Pacific, 1864	Henry Halboth	22 May 2018, 03:23
Re: Longitude sight, South Pacific, 1864	Ed Popko	22 May 2018, 00:45
Re: Small booklet of EOT and Dec	John D. Howard	21 May 2018, 20:53
Re: Longitude sight, South Pacific, 1864	Henry Halboth	21 May 2018, 17:36
Re: Small booklet of EOT and Dec	Frank Reed	21 May 2018, 16:44
Re: Small booklet of EOT and Dec	John D. Howard	21 May 2018, 16:38
Re: Small booklet of EOT and Dec	Frank Reed	21 May 2018, 16:18
Re: Small booklet of EOT and Dec	Paul Hughes	21 May 2018, 15:50
Re: Small booklet of EOT and Dec	Tony Oz	21 May 2018, 15:17
Re: For which celestial bodies is it relevant to display the lunar distance?	Tony Oz	21 May 2018, 15:09
Re: Small booklet of EOT and Dec	Greg Rudzinski	21 May 2018, 13:08
Re: For which celestial bodies is it relevant to display the lunar distance?	Jorrit Visser	21 May 2018, 12:12
Small booklet of EOT and Dec	John D. Howard	21 May 2018, 11:35
Re: Longitude sight, South Pacific, 1864	Frank Reed	21 May 2018, 05:28
Re: Longitude sight, South Pacific, 1864	Henry Halboth	21 May 2018, 03:07
Re: Longitude sight, South Pacific, 1864	Henry Halboth	21 May 2018, 03:06
Re: Time-sight time conventions	Ed Popko	20 May 2018, 12:46
Re: Time-sight time conventions	Paul Hirose	20 May 2018, 07:05
Re: Longitude sight, South Pacific, 1864	Ed Popko	19 May 2018, 18:54
Re: Sextants in space	Brad Morris	19 May 2018, 14:16
Re: Sextants in space	Robert VanderPol II	19 May 2018, 04:53
Re: Sextants in space	Paul Dolkas	19 May 2018, 00:57
Re: Sextants in space	Paul Dolkas	19 May 2018, 00:27
Re: Sextants in space	Greg Rudzinski	18 May 2018, 21:12
Re: Sextants in space	Luc Van den Borre	18 May 2018, 20:39
Re: Sextants in space	Frank Reed	18 May 2018, 19:08
Re: Sextants in space	Frank Reed	18 May 2018, 18:49
Re: Sextants in space	Frank Reed	18 May 2018, 18:35
Re: Sextants in space	Greg Rudzinski	18 May 2018, 18:20
Sextants in space	Paul Dolkas	18 May 2018, 17:43
Re: Links not working	Sean C	18 May 2018, 06:25
Re: Longitude sight, South Pacific, 1864	Sean C	18 May 2018, 05:41
Re: ESA vision of milky way.	Peter Monta	18 May 2018, 02:58
Re: ESA vision of milky way.	Peter Monta	18 May 2018, 02:32
Re: Time-sight time conventions	Sean C	18 May 2018, 00:48
Re: 19th c Local and Greenwich Time Conventions	Henry Halboth	17 May 2018, 23:42
Re: Time-sight time conventions	John D. Howard	17 May 2018, 23:20
Re: Longitude sight, South Pacific, 1864	Henry Halboth	17 May 2018, 23:13
Re: ESA vision of milky way.	Frank Reed	17 May 2018, 19:32
ESA vision of milky way.	Francis Upchurch	17 May 2018, 19:09
Sun over the Volcano	Frank Reed	17 May 2018, 18:25
Time-sight time conventions	Ed Popko	17 May 2018, 18:11
Re: Longitude sight, South Pacific, 1864	Charles McElhill	17 May 2018, 00:40
Re: Longitude sight, South Pacific, 1864	Brad Morris	17 May 2018, 00:09
Re: Longitude sight, South Pacific, 1864	Charles McElhill	16 May 2018, 23:24
Re: Longitude sight, South Pacific, 1864	Ed Popko	16 May 2018, 21:48
Re: Longitude sight, South Pacific, 1864	Frank Reed	16 May 2018, 21:22
Re: Longitude sight, South Pacific, 1864	Frank Reed	16 May 2018, 01:36
Re: Longitude sight, South Pacific, 1864	Ed Popko	16 May 2018, 00:21
Re: Buoyage in Bermuda	Frank Reed	15 May 2018, 20:12
Re: Longitude sight, South Pacific, 1864	Frank Reed	15 May 2018, 20:11
Re: Longitude sight, South Pacific, 1864	Ed Popko	15 May 2018, 20:05
Re: 19th c Local and Greenwich Time Conventions	Frank Reed	15 May 2018, 19:04
19th c Local and Greenwich Time Conventions	Ed Popko	15 May 2018, 12:48
Re: Buoyage in Bermuda	Andrés Ruiz	15 May 2018, 08:34
Re: Longitude sight, South Pacific, 1864	Ed Popko	14 May 2018, 20:31
Buoyage in Bermuda	Lu Abel	14 May 2018, 19:12
Re: Longitude sight, South Pacific, 1864	Frank Reed	14 May 2018, 18:44
Re: Longitude sight, South Pacific, 1864	Ed Popko	14 May 2018, 17:51
Re: Moon HP and Earth SD	Tony Oz	14 May 2018, 13:03
Re: Moon HP and Earth SD	max mulhern	14 May 2018, 11:26
Re: Longitude sight, South Pacific, 1864	Ed Popko	14 May 2018, 11:07
Re: Longitude sight, South Pacific, 1864	Michael Bradley	14 May 2018, 07:49
Re: Longitude sight, South Pacific, 1864	Frank Reed	14 May 2018, 02:21
Re: Longitude sight, South Pacific, 1864	Frank Reed	14 May 2018, 02:12
Re: Ganymede through a 30*6 scope?	Bill Gray	14 May 2018, 02:06
Re: Ganimede through a 30*6 scope?	Frank Reed	13 May 2018, 20:32
Re: Moon HP and Earth SD	Lars Bergman	13 May 2018, 20:25
Re: Moon HP and Earth SD	Lars Bergman	13 May 2018, 18:36
Ganimede through a 30*6 scope?	Tony Oz	13 May 2018, 08:34
Moon HP and Earth SD	Frank Reed	13 May 2018, 01:33
Re: Longitude sight, South Pacific, 1864	Ed Popko	12 May 2018, 21:01
Re: My lunar distance tables online...	Ken Muldrew	12 May 2018, 15:59
Re: My lunar distance tables online...	Tony Oz	12 May 2018, 11:45
Robin Knox-Johnston: The first man to sail non-stop solo around the world	Ed Popko	12 May 2018, 11:28
Re: Navigating with GPS, optically	Peter Monta	12 May 2018, 06:16
Re: Navigating with GPS, optically	Bill Gray	11 May 2018, 23:25
My lunar distance tables online...	Frank Reed	11 May 2018, 20:09
Re: For which celestial bodies is it relevant to display the lunar distance?	Tony Oz	11 May 2018, 13:58
Re: For which celestial bodies is it relevant to display the lunar distance?	Andrés Ruiz	11 May 2018, 10:31
Re: For which celestial bodies is it relevant to display the lunar distance?	Jorrit Visser	11 May 2018, 09:43
Re: Mark 7 Knee-Mounted Plotting Board	Gary LaPook	11 May 2018, 06:04
Re: Time sight Duration	Henry Halboth	11 May 2018, 05:36
Re: Use of Marine Sextants in Aircraft	Fred Hebard	11 May 2018, 01:03
Re: Longitude sight, South Pacific, 1864	Ed Popko	10 May 2018, 23:43
Re: Longitude sight, South Pacific, 1864	Antonio Sauci	10 May 2018, 19:55
Re: Longitude sight, South Pacific, 1864	Frank Reed	10 May 2018, 18:55
Re: For which celestial bodies is it relevant to display the lunar distance?	Tony Oz	10 May 2018, 15:33
For which celestial bodies is it relevant to display the lunar distance?	Jorrit Visser	10 May 2018, 14:51
Time sight Duration	Bruce J. Pennino	10 May 2018, 13:05
Re: Use of Marine Sextants in Aircraft	David Pike	10 May 2018, 11:02
Re: Use of Marine Sextants in Aircraft	Fred Hebard	10 May 2018, 02:17
Re: Longitude sight, South Pacific, 1864	Ed Popko	9 May 2018, 21:22
Re: Use of Marine Sextants in Aircraft	David Pike	9 May 2018, 18:28
Re: Use of Marine Sextants in Aircraft	Brad Morris	9 May 2018, 18:21
Re: Use of Marine Sextants in Aircraft	Gary LaPook	9 May 2018, 17:31
Re: Use of Marine Sextants in Aircraft	Fred Hebard	9 May 2018, 17:17
Re: Longitude sight, South Pacific, 1864	Frank Reed	9 May 2018, 15:46
Re: Longitude sight, South Pacific, 1864	Frank Reed	9 May 2018, 15:33
Re: Longitude sight, South Pacific, 1864	Ed Popko	9 May 2018, 11:39
Re: Mercury AH in aircraft sextants?	David Pike	9 May 2018, 08:42
Re: Use of Marine Sextants in Aircraft	David Pike	9 May 2018, 08:37
Re: Use of Marine Sextants in Aircraft	David Pike	9 May 2018, 08:29
Re: Mark 7 Knee-Mounted Plotting Board	Chris Caswell	8 May 2018, 22:55
Re: Sextant auction. Windham, NH, May 20	Bill Morris	8 May 2018, 22:24
Re: Sight reduction program for iPhones	Chris Caswell	8 May 2018, 22:18
Re: Mercury AH in aircraft sextants?	Bill Morris	8 May 2018, 22:17
Re: Use of Marine Sextants in Aircraft	Fred Hebard	8 May 2018, 21:40
Re: Use of Marine Sextants in Aircraft	Gary LaPook	8 May 2018, 21:15
Re: Use of Marine Sextants in Aircraft	Gary LaPook	8 May 2018, 21:03
Re: Longitude sight, South Pacific, 1864	Robin Stuart	8 May 2018, 20:21
Re: Use of Marine Sextants in Aircraft	Lars Bergman	8 May 2018, 18:07
Re: Mercury AH in aircraft sextants?	David Pike	8 May 2018, 16:28
Mercury AH in aircraft sextants?	Tony Oz	8 May 2018, 14:33
Re: Sextant auction. Windham, NH, May 20	Fred Hebard	8 May 2018, 12:09
Re: Longitude sight, South Pacific, 1864	Ed Popko	8 May 2018, 11:15
Re: A paper sextant sight...	John D. Howard	8 May 2018, 09:30
Use of Marine Sextants in Aircraft	David Pike	8 May 2018, 08:38
Re: A paper sextant sight...	Herman Dekker	8 May 2018, 08:32
Longitude sight, South Pacific, 1864	Frank Reed	8 May 2018, 05:28
Re: Sextant auction. Windham, NH, May 20	Robert VanderPol II	8 May 2018, 05:15
Re: A paper sextant sight...	Greg Rudzinski	8 May 2018, 01:01
Re: A paper sextant sight...	John D. Howard	8 May 2018, 00:09
Re: Sextant auction. Windham, NH, May 20	Jackson McDonald	7 May 2018, 21:50
Re: Sextant auction. Windham, NH, May 20	Greg Rudzinski	7 May 2018, 20:07
Re: Sextant auction. Windham, NH, May 20	Lars Bergman	7 May 2018, 18:32
Re: Sextant auction. Windham, NH, May 20	David Pike	7 May 2018, 16:05
Re: A paper sextant sight...	Greg Rudzinski	7 May 2018, 13:47
Re: Sight reduction program for iPhones	Stan K	7 May 2018, 10:31
Re: Sight reduction program for iPhones	Andrés Ruiz	7 May 2018, 06:22
Re: Mark 7 Knee-Mounted Plotting Board	Tracy Shrier	7 May 2018, 03:06
Re: Sight reduction program for iPhones	Stan K	7 May 2018, 01:23
Pyongyang Time is gone again	Frank Reed	7 May 2018, 00:33
Re: Sight reduction program for iPhones	Pete Solon Palmer	6 May 2018, 21:39
Re: A paper sextant sight...	Frank Reed	6 May 2018, 17:59
Sextant auction. Windham, NH, May 20	Jackson McDonald	6 May 2018, 15:36
Re: LOPs from Lunars	Ed Popko	6 May 2018, 10:33
Re: Mystic Seaport Museum	Frank Reed	5 May 2018, 21:48
Re: Mystic Seaport Museum	Charles McElhill	5 May 2018, 19:57
Re: Fitzgerald and McCain Collisions	Lu Abel	5 May 2018, 19:39
Re: Mystic Seaport Museum	Frank Reed	5 May 2018, 19:06
Re: Sight reduction program for iPhones	Frank Reed	5 May 2018, 18:53
Re: LOPs from Lunars	Frank Reed	5 May 2018, 17:48
Re: Fitzgerald and McCain Collisions	Robert VanderPol II	5 May 2018, 15:10
Re: Fitzgerald and McCain Collisions	Sean C	5 May 2018, 04:51
Re: Mystic Seaport Museum	Jackson McDonald	5 May 2018, 02:13
Re: Mystic Seaport Museum	Robert Wyatt	4 May 2018, 13:51
Re: Mystic Seaport Museum	Tony Oz	4 May 2018, 08:14
22 degree halo	Bob Goethe	3 May 2018, 21:28
A paper sextant sight...	Frank Reed	3 May 2018, 19:55
VP-OS Plotting Sheets	Bob Goethe	3 May 2018, 17:38
Re: Navigation Modules	Antoine Couëtte	3 May 2018, 07:21
Mystic Seaport Museum	Frank Reed	3 May 2018, 02:11
Re: Navigation Modules	Douglas Stephen	2 May 2018, 21:30
Re: Mark 7 Knee-Mounted Plotting Board	Gary LaPook	2 May 2018, 17:57
LOPs from Lunars	Ed Popko	2 May 2018, 17:01
Re: Mark 7 Knee-Mounted Plotting Board	Gary LaPook	2 May 2018, 08:44
Re: Mark 7 Knee-Mounted Plotting Board	Gary LaPook	2 May 2018, 07:52
Re: Mark 7 Knee-Mounted Plotting Board	Gary LaPook	2 May 2018, 07:40
Re: John Karl's Celestial Navigation in the GPS Age	Aonghus O Concheanainn	1 May 2018, 22:49
Re: Longest Straight Line Paths on Water or Land on the Earth	Frank Reed	1 May 2018, 22:08
Re: John Karl's Celestial Navigation in the GPS Age	Robert Bernecky	1 May 2018, 13:31
Re: John Karl's Celestial Navigation in the GPS Age	Sean C	1 May 2018, 02:14
Astra box & other wood instrument box FS	Tom Mackie	1 May 2018, 01:27
Re: John Karl's Celestial Navigation in the GPS Age	Stan K	1 May 2018, 00:38
Celestial Tools V5.6.10	Stan K	1 May 2018, 00:08
Re: John Karl's Celestial Navigation in the GPS Age	Sean C	30 Apr 2018, 23:45
Re: John Karl's Celestial Navigation in the GPS Age	Aonghus O Concheanainn	30 Apr 2018, 22:43
Mark 7 Knee-Mounted Plotting Board	Miles B. Anderson	30 Apr 2018, 20:43
Re: Navigation Modules	Robin Stuart	30 Apr 2018, 19:21
Re: John Karl's Celestial Navigation in the GPS Age	Robert Bernecky	30 Apr 2018, 13:48
Re: Navigation Modules	Andrew Nikitin	30 Apr 2018, 12:43
Re: John Karl's Celestial Navigation in the GPS Age	Stan K	29 Apr 2018, 23:00
Re: John Karl's Celestial Navigation in the GPS Age	Robert VanderPol II	29 Apr 2018, 22:02
John Karl's Celestial Navigation in the GPS Age	Aonghus O Concheanainn	29 Apr 2018, 21:34
Re: Navigation Modules	Robin Stuart	29 Apr 2018, 17:47
Re: Navigation Modules	Stan K	29 Apr 2018, 15:12
Re: Navigation Modules	Antoine Couëtte	29 Apr 2018, 10:24
Re: Navigation Modules	Antoine Couëtte	29 Apr 2018, 06:34
Navigation Modules	Alan S	28 Apr 2018, 20:41
Re: Celestial Navigation is so simple	Alan S	28 Apr 2018, 18:23
Re: Celestial Navigation is so simple	Greg Rudzinski	28 Apr 2018, 17:35
Re: Celestial Navigation is so simple	Gary LaPook	28 Apr 2018, 16:39
Celestial Navigation is so simple	Don Seltzer	28 Apr 2018, 15:47
Re: Norie 1819, Bowditch 1837, and a fine old Tamaya sextant on ebay	Frank Reed	28 Apr 2018, 04:19
Re: Norie 1819, Bowditch 1837, and a fine old Tamaya sextant on ebay	David C	28 Apr 2018, 03:48
Norie 1819, Bowditch 1837, and a fine old Tamaya sextant on ebay	Frank Reed	28 Apr 2018, 01:49
Re: Autonomous ships are coming.	Jeremy C	25 Apr 2018, 06:23
Re: Autonomous ships are coming.	Lu Abel	24 Apr 2018, 18:52
Autonomous ships are coming.	Gary LaPook	24 Apr 2018, 17:20
Re: Longest Straight Line Paths on Water or Land on the Earth	Peter Hakel	24 Apr 2018, 12:31
Re: Longest Straight Line Paths on Water or Land on the Earth	Robert VanderPol II	24 Apr 2018, 04:24
Re: Longest Straight Line Paths on Water or Land on the Earth	John D. Howard	23 Apr 2018, 23:43
Compassipedia online compass museum	Paul Hirose	23 Apr 2018, 21:41
Re: Longest Straight Line Paths on Water or Land on the Earth	Alexandre Eremenko	23 Apr 2018, 20:21
Longest Straight Line Paths on Water or Land on the Earth	Robert H. van Gent	23 Apr 2018, 18:51
Re: Viking Navigation and "Sunstones"	Geoffrey Kolbe	23 Apr 2018, 05:14
Celestial Tools V5.6.9	Stan K	22 Apr 2018, 18:08
Sight reduction program for iPhones	Chris Caswell	22 Apr 2018, 13:13
Re: Viking Navigation and "Sunstones"	Tony Oz	22 Apr 2018, 07:33
Lumpy lunar edge	Ed Popko	20 Apr 2018, 18:08
Re: Moon-rise/set with Air Almanac: how to?	Robert Bernecky	20 Apr 2018, 14:13
HO-211 Hulbert Hinkel Jr.	Robert VanderPol II	20 Apr 2018, 03:42
Moon-rise/set with Air Almanac: how to?	Tony Oz	19 Apr 2018, 17:44
Re: Lunars: this weekend at Mystic Seaport	Greg Rudzinski	19 Apr 2018, 15:33
Re: Lunars: this weekend at Mystic Seaport	Ed Popko	19 Apr 2018, 10:15
Re: Micrometer vernier	Tony Oz	19 Apr 2018, 08:50
Finding the Endurance	David C	19 Apr 2018, 07:02
Re: Lunars: this weekend at Mystic Seaport	Greg Rudzinski	19 Apr 2018, 04:00
Re: Micrometer vernier	Alexandre Eremenko	18 Apr 2018, 22:42
Re: Micrometer vernier	Peter Monta	18 Apr 2018, 22:07
Re: Micrometer vernier	Posth P	18 Apr 2018, 17:08
Re: Lunars: this weekend at Mystic Seaport	Ed Popko	18 Apr 2018, 17:00
Re: Lunars: this weekend at Mystic Seaport	Greg Rudzinski	18 Apr 2018, 16:59
Re: Lunars: this weekend at Mystic Seaport	Robin Stuart	18 Apr 2018, 13:21
Re: Micrometer vernier	Tony Oz	18 Apr 2018, 12:55
Re: Micrometer vernier	David Pike	18 Apr 2018, 11:35
Re: Micrometer vernier	Bill Morris	18 Apr 2018, 00:04
Re: Micrometer vernier	Michael Bradley	17 Apr 2018, 22:48
Re: Micrometer vernier	William Edward Henry	17 Apr 2018, 22:47
Re: Micrometer vernier	Frank Reed	17 Apr 2018, 18:00
Re: Micrometer vernier	David Fleming	17 Apr 2018, 17:46
Re: Micrometer vernier	Bob Goethe	17 Apr 2018, 17:40
Micrometer vernier	Frank Reed	17 Apr 2018, 17:03
Re: Lunars: this weekend at Mystic Seaport	Jeremy C	17 Apr 2018, 12:26
Re: Sextant as hand luggage on a plane	Alan S	17 Apr 2018, 04:02
Re: Lunars: this weekend at Mystic Seaport	Ed Popko	17 Apr 2018, 00:59
Re: WWII bubble sextants and radium	Gary LaPook	17 Apr 2018, 00:16
Re: Lunars: this weekend at Mystic Seaport	Frank Reed	16 Apr 2018, 18:40
Lunars: this weekend at Mystic Seaport	Frank Reed	16 Apr 2018, 18:28
Re: Sextant as hand luggage on a plane	Ken Gebhart	16 Apr 2018, 17:26
Re: Celesticomp V instructions	Stan K	15 Apr 2018, 23:43
Re: Sextant as hand luggage on a plane	Alan S	15 Apr 2018, 22:37
Re: SNO-T for sale, £300	Robert VanderPol II	15 Apr 2018, 21:10
Re: Sextant as hand luggage on a plane	James F Campbell	15 Apr 2018, 20:37
Re: Sextant as hand luggage on a plane	Robin Stuart	15 Apr 2018, 19:42
Re: Sextant as hand luggage on a plane	James F Campbell	15 Apr 2018, 19:16
Re: Sextant as hand luggage on a plane	Robert Eno	15 Apr 2018, 19:06
Re: Sextant as hand luggage on a plane	Alejandro Purgue	15 Apr 2018, 18:28
Re: Celesticomp V instructions	John Carbone	15 Apr 2018, 18:21
Sextant as hand luggage on a plane	Bill Lionheart	15 Apr 2018, 16:20
Celesticomp V instructions	Brian Lloyd	15 Apr 2018, 15:05
Re: SNO-T for sale, £300	Örjan Sandström	15 Apr 2018, 12:02
Mirages and refraction.	Tony Oz	14 Apr 2018, 22:34
Ghost Ring vs. Sight Tube	Greg Rudzinski	14 Apr 2018, 19:49
Re: More accurate version of Pub 249 Vol 1 - is it needed?	Gary LaPook	14 Apr 2018, 05:42
Re: More accurate version of Pub 249 Vol 1 - is it needed?	David Pike	13 Apr 2018, 20:07
Re: More accurate version of Pub 249 Vol 1 - is it needed?	Gary LaPook	13 Apr 2018, 16:22
The marquis de Chabert & the lunar distance	Ducruy Jacques	13 Apr 2018, 16:08
More accurate version of Pub 249 Vol 1 - is it needed?	Rafal O.	13 Apr 2018, 11:17
Re: Video tour of our Moon	Sean C	13 Apr 2018, 02:13
Video tour of our Moon	Ed Popko	12 Apr 2018, 15:12
Re: New Edition of Bowditch	Ken Gebhart	11 Apr 2018, 22:00
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebay	Don Seltzer	11 Apr 2018, 21:53
New Edition of Bowditch	Rommel John Miller	11 Apr 2018, 20:02
Re: Wikipedia Article on "Stellar Triangulation"	Fred Hebard	11 Apr 2018, 19:21
Sumner Line SR by Martelli Table	Greg Rudzinski	11 Apr 2018, 18:03
Re: Henning Umland's javascript web app	Bill Lionheart	11 Apr 2018, 17:53
Re: Sail the tall ship OHP, April 25-May 10	Frank Reed	11 Apr 2018, 17:08
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebay	Frank Reed	11 Apr 2018, 17:00
Re: Henning Umland's spreadsheets.	Frank Reed	11 Apr 2018, 16:39
SNO-T for sale, £300	Robert VanderPol II	11 Apr 2018, 12:19
Re: Henning Umland's spreadsheets.	Brad Morris	10 Apr 2018, 20:13
Re: Henning Umland's spreadsheets.	Paul Hirose	10 Apr 2018, 19:56
Lewis and Clark Lunars	Greg Rudzinski	10 Apr 2018, 15:48
Re: Henning Umland's spreadsheets.	Bill Lionheart	10 Apr 2018, 14:06
Re: Wikipedia Article on "Stellar Triangulation"	Frank Reed	9 Apr 2018, 17:50
Re: Second hand sextant advice	Bob Goethe	9 Apr 2018, 16:58
Lunars: Altitude Accuracy (revisited)	Ed Popko	9 Apr 2018, 16:37
Wikipedia Article on "Stellar Triangulation"	Fred Hebard	9 Apr 2018, 15:54
Re: New York Times article on Viking Navigation and their use of "Sunstones"	Bob Goethe	9 Apr 2018, 15:44
Re: New York Times article on Viking Navigation and their use of "Sunstones"	Tony Oz	9 Apr 2018, 14:05
Re: Photo of horizon	Robert VanderPol II	9 Apr 2018, 13:46
Re: Article: Inside the Worst U.S. Maritime Disaster in Decades	Ed Popko	9 Apr 2018, 11:35
Re: New York Times article on Viking Navigation and their use of "Sunstones"	Wolfgang Köberer	9 Apr 2018, 07:12
Re: Photo of horizon	Sean C	9 Apr 2018, 02:23
Henning Umland's spreadsheets.	Bill Lionheart	9 Apr 2018, 02:20
Re: New York Times article on Viking Navigation and their use of "Sunstones"	Erland Andersen	9 Apr 2018, 02:15
Article: Inside the Worst U.S. Maritime Disaster in Decades	Jackson McDonald	9 Apr 2018, 01:54
Photo of horizon	Robert VanderPol II	8 Apr 2018, 15:27
New York Times article on Viking Navigation and their use of "Sunstones"	Ed Popko	8 Apr 2018, 10:34
Re: Second hand sextant advice	Michael Bradley	8 Apr 2018, 09:18
Re: Second hand sextant advice	Alan S	8 Apr 2018, 04:47
Re: Correction for diameter of the earth	Sean C	8 Apr 2018, 04:43
Re: Second hand sextant advice	Jackson McDonald	8 Apr 2018, 01:26
Correction for diameter of the earth	C Solo	7 Apr 2018, 23:56
Re: Second hand sextant advice	David C	7 Apr 2018, 22:31
Re: Second hand sextant advice	Bill Morris	7 Apr 2018, 21:50
Re: Second hand sextant advice	Bruce Cutting	7 Apr 2018, 21:37
Re: Lunar-Distance correction for Oblateness	Frank Reed	7 Apr 2018, 02:10
Re: Lunar-Distance correction for Oblateness	Sean C	7 Apr 2018, 01:00
Re: Lunar-Distance correction for Oblateness	Ed Popko	6 Apr 2018, 20:24
Re: Second hand sextant advice	Greg Rudzinski	6 Apr 2018, 20:10
Re: Second hand sextant advice	Ken Gebhart	6 Apr 2018, 19:10
Re: Second hand sextant advice	Chris Caswell	6 Apr 2018, 19:06
Re: Second hand sextant advice	Frank Reed	6 Apr 2018, 18:59
Re: Lunar-Distance correction for Oblateness	Frank Reed	6 Apr 2018, 18:48
Second hand sextant advice	Edward Colonna	6 Apr 2018, 15:36
Lunar-Distance correction for Oblateness	Ed Popko	6 Apr 2018, 14:12
Re: Quick Estimate of Sun Declination: analemmas?	max mulhern	6 Apr 2018, 13:47
Re: Sight reduction using a calculator's POL (arctan2) key	Lars Bergman	5 Apr 2018, 20:35
Re: Quick Estimate of Sun Declination	Tony Oz	5 Apr 2018, 18:52
Re: Quick Estimate of Sun Declination	Frank Reed	5 Apr 2018, 18:49
Re: Quick Estimate of Sun Declination: analemmas?	Frank Reed	5 Apr 2018, 16:02
Re: Quick Estimate of Sun Declination: analemmas?	max mulhern	5 Apr 2018, 15:12
Re: Sight reduction using a calculator's POL (arctan2) key	Tony Oz	5 Apr 2018, 13:07
Universal Plotting Sheet at High Latitudes	Bob Goethe	5 Apr 2018, 11:36
Re: Quick Estimate of Sun Declination	Herman Dekker	5 Apr 2018, 10:20
Re: JPL ephemeresis and Nautical Almanac - speed of light question	Paul Hirose	5 Apr 2018, 04:56
Re: Sight reduction using a calculator's POL (arctan2) key	Greg Rudzinski	5 Apr 2018, 04:19
Quick Estimate of Sun Declination	Frank Reed	5 Apr 2018, 02:06
Re: JPL ephemeresis and Nautical Almanac - speed of light question	Frank Reed	4 Apr 2018, 16:29
Re: Sight reduction using a calculator's POL (arctan2) key	Robin Stuart	4 Apr 2018, 11:57
Re: JPL ephemeresis and Nautical Almanac - speed of light question	Paul Hughes	4 Apr 2018, 09:34
Re: JPL ephemeresis and Nautical Almanac - speed of light question	Rafal O.	4 Apr 2018, 07:08
Re: JPL ephemeresis and Nautical Almanac - speed of light question	Rafal O.	4 Apr 2018, 06:34
Re: Nautical Almanac, HO 229 or HO 249	John D. Howard	3 Apr 2018, 22:38
Re: JPL ephemeresis and Nautical Almanac - speed of light question	John D. Howard	3 Apr 2018, 22:15
Re: Sight reduction using a calculator's POL (arctan2) key	Lars Bergman	3 Apr 2018, 21:40
Re: Nautical Almanac, HO 229 or HO 249	Lindsey Philpott	3 Apr 2018, 21:32
Re: JPL ephemeresis and Nautical Almanac - speed of light question	Frank Reed	3 Apr 2018, 19:39
Re: JPL ephemeresis and Nautical Almanac - speed of light question	Brad Morris	3 Apr 2018, 19:38
Re: Google Honors John Harrison with "Doodle"	Brad Morris	3 Apr 2018, 19:19
Re: JPL ephemeresis and Nautical Almanac - speed of light question	Brad Morris	3 Apr 2018, 19:10
Re: JPL ephemeresis and Nautical Almanac - speed of light question	John D. Howard	3 Apr 2018, 19:10
Re: Sight reduction using a calculator's POL (arctan2) key	Robert Bernecky	3 Apr 2018, 18:51
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebay	Wolfgang Köberer	3 Apr 2018, 18:12
Re: JPL ephemeresis and Nautical Almanac - speed of light question	Tony Oz	3 Apr 2018, 17:28
Re: Sight reduction using a calculator's POL (arctan2) key	Greg Rudzinski	3 Apr 2018, 17:27
Re: JPL ephemeresis and Nautical Almanac - speed of light question	Rafal O.	3 Apr 2018, 13:14
Re: JPL ephemeresis and Nautical Almanac - speed of light question	Peter Monta	3 Apr 2018, 12:51
Re: JPL ephemeresis and Nautical Almanac - speed of light question	Rafal O.	3 Apr 2018, 12:50
Re: Sight reduction using a calculator's POL (arctan2) key	Robin Stuart	3 Apr 2018, 12:30
Re: JPL ephemeresis and Nautical Almanac - speed of light question	Mike Mayer	3 Apr 2018, 12:24
Re: JPL ephemeresis and Nautical Almanac - speed of light question	Tony Oz	3 Apr 2018, 10:20
Re: Sight reduction using a calculator's POL (arctan2) key	Tony Oz	3 Apr 2018, 08:49
Google Honors John Harrison with "Doodle"	Sean C	3 Apr 2018, 08:46
JPL ephemeresis and Nautical Almanac - speed of light question	Rafal O.	3 Apr 2018, 07:50
Re: Nautical Almanac, HO 229 or HO 249	Robert VanderPol II	3 Apr 2018, 06:19
Nautical Almanac, HO 229 or HO 249	Lindsey Philpott	3 Apr 2018, 05:34
Re: Celestial Simulator	Phil Sadler	3 Apr 2018, 02:44
Re: Sight reduction using a calculator's POL (arctan2) key	Greg Rudzinski	2 Apr 2018, 23:49
Sight reduction using a calculator's POL (arctan2) key	Robert Bernecky	2 Apr 2018, 13:37
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebay	Don Seltzer	1 Apr 2018, 23:58
Re: Polarized Sunglasses for CN	Greg Rudzinski	1 Apr 2018, 23:56
Re: Celestial Simulator	Paul Hirose	1 Apr 2018, 23:22
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebay	Don Seltzer	1 Apr 2018, 22:46
Re: Polarized Sunglasses for CN	Tony Oz	1 Apr 2018, 22:02
Re: Two Suns on the Horizon?	Tony Oz	1 Apr 2018, 21:50
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebay	William A	1 Apr 2018, 20:27
Re: Upon Oceans endorsement	William A	1 Apr 2018, 20:22
Re: Two Suns on the Horizon?	Frank Reed	1 Apr 2018, 16:59
Re: Two Suns on the Horizon?	Nick M	1 Apr 2018, 12:38
Re: Polarized Sunglasses for CN	Geoffrey Kolbe	1 Apr 2018, 05:51
Re: Celestial Simulator	Phil Sadler	1 Apr 2018, 02:56
Janet Taylor's "Principles of Navigation Simplified" (1837) on ebay	Frank Reed	1 Apr 2018, 00:55
Luftwaffe Cased Leveling Octant	Jackson McDonald	31 Mar 2018, 23:50
Re: 1973 Altitude Correction tables	John D. Howard	31 Mar 2018, 19:18
Re: Sail the tall ship OHP, April 25-May 10	Bob Miorelli	31 Mar 2018, 17:47
Re: Polarized Sunglasses for CN	Peter Monta	31 Mar 2018, 17:06
Polarized Sunglasses for CN	Greg Rudzinski	31 Mar 2018, 15:01
Re: Beware of Noon Sights this time of Year	Don Seltzer	31 Mar 2018, 14:22
Re: Beware of Noon Sights this time of Year	Robin Stuart	31 Mar 2018, 12:57
Re: Beware of Noon Sights this time of Year	Greg Rudzinski	31 Mar 2018, 01:41
Re: Beware of Noon Sights this time of Year	Don Seltzer	31 Mar 2018, 00:39
Re: 1973 Altitude Correction tables	David C	30 Mar 2018, 22:25
Re: 1973 Altitude Correction tables	David C	30 Mar 2018, 22:13
Re: Sail the tall ship OHP, April 25-May 10	Tom Sult	30 Mar 2018, 19:55
Re: Navigational science during the dark days	Tom Sult	30 Mar 2018, 19:48
Re: Beware of Noon Sights this time of Year	Frank Reed	30 Mar 2018, 19:21
Beware of Noon Sights this time of Year	Ed Popko	30 Mar 2018, 18:22
Sail the tall ship OHP, April 25-May 10	Frank Reed	30 Mar 2018, 16:22
Re: 1973 Altitude Correction tables	Frank Reed	30 Mar 2018, 16:02
Re: Two Suns on the Horizon?	Frank Reed	30 Mar 2018, 15:44
Re: Low orbit satellites for navigation	Peter Monta	30 Mar 2018, 15:40
Re: Two Suns on the Horizon?	Peter Monta	30 Mar 2018, 15:09
Navigational science during the dark days	Annaig Labornez	30 Mar 2018, 14:25
Spam-L--- Re: Two Suns on the Horizon?	Robert Wyatt	30 Mar 2018, 13:17
Re: ECDIS: What Happens When the GPS Signal Goes Away?	Jeremy C	30 Mar 2018, 09:49
1973 Altitude Correction tables	David C	30 Mar 2018, 06:55
Two Suns on the Horizon?	Sean C	30 Mar 2018, 05:30
ECDIS: What Happens When the GPS Signal Goes Away?	Jackson McDonald	29 Mar 2018, 21:04
Re: G is for Greenwich	Frank Reed	28 Mar 2018, 17:31
Re: Celnav apps for Android	Tony Oz	28 Mar 2018, 12:50
Celnav apps for Android	Andrés Ruiz	28 Mar 2018, 06:40
Re: Sight Reduction Calculator for iOS (update)	Stan K	27 Mar 2018, 20:54
Re: Sight Reduction Calculator for iOS (update)	Tony Oz	27 Mar 2018, 17:39
Re: Sight Reduction Calculator for iOS (update)	Stan K	27 Mar 2018, 15:27
Re: Upon Oceans endorsement	Jeremy C	27 Mar 2018, 10:19
Sight Reduction Calculator for iOS (update)	Tony Oz	27 Mar 2018, 08:44
Re: Upon Oceans endorsement	Sean C	27 Mar 2018, 03:25
Upon Oceans endorsement	William A	26 Mar 2018, 19:36
Low orbit satellites for navigation	Frank Reed	26 Mar 2018, 19:06
History of navigation conference, National Maritime Museum, Greenwich, 24-25 May 2018	Richard Dunn	26 Mar 2018, 13:50
Re: Ship Speed	Jeremy C	23 Mar 2018, 09:25
Re: Doc On Worst Jobs at Sea	Bruce J. Pennino	23 Mar 2018, 01:18
Time-lapse animation of the moon	Ed Popko	22 Mar 2018, 20:46
Re: [World Magnetic Model] WMM2015 degraded performance warning -- March 2018	Chris Willmes	22 Mar 2018, 20:04
Re: Ship Speed	Terry Syrokosz	22 Mar 2018, 18:45
MOO MOB and Stationary observer	Andrés Ruiz	22 Mar 2018, 18:19
Fwd: [World Magnetic Model] WMM2015 degraded performance warning -- March 2018	Andrés Ruiz	22 Mar 2018, 18:11
Re: Time of Spring	Terry Syrokosz	22 Mar 2018, 17:42
Re: Doc On Worst Jobs at Sea	Henry Halboth	22 Mar 2018, 17:09
Re: Ship Speed	Michael Bradley	22 Mar 2018, 16:44
Re: Ship Speed	Ian Vaughn	22 Mar 2018, 16:19
Ship Speed	Bruce J. Pennino	22 Mar 2018, 15:21
Re: Doc On Worst Jobs at Sea	Don Seltzer	22 Mar 2018, 14:43
Re: Doc On Worst Jobs at Sea	Bruce J. Pennino	22 Mar 2018, 13:39
Re: Time of Spring	Paul Hirose	22 Mar 2018, 05:27
Re: From whaling to piracy	Frank Reed	22 Mar 2018, 03:25
Re: From whaling to piracy	Don Seltzer	22 Mar 2018, 02:23
Re: Doc On Worst Jobs at Sea	Frank Reed	22 Mar 2018, 00:57
Doc On Worst Jobs at Sea	Greg Rudzinski	22 Mar 2018, 00:48
Re: From whaling to piracy	David Pike	21 Mar 2018, 23:10
Re: From whaling to piracy	Bob Goethe	21 Mar 2018, 21:31
From whaling to piracy	Frank Reed	21 Mar 2018, 20:54
Re: Modern Celestial, this weekend at Mystic Seaport	Frank Reed	21 Mar 2018, 17:51
Re: Smart management of NavList emails	Brad Morris	21 Mar 2018, 17:25
Re: Modern Celestial, this weekend at Mystic Seaport	Frank Reed	21 Mar 2018, 16:26
Re: Smart management of NavList emails	Frank Reed	21 Mar 2018, 16:16
Smart management of NavList emails	Brad Morris	21 Mar 2018, 15:54
Re: Time of Spring	Dave Walden	21 Mar 2018, 14:09
Re: Time of Spring	Tony Oz	21 Mar 2018, 10:48
Time of Spring	Terry Syrokosz	21 Mar 2018, 03:08
Re: Stephen Hawking	Francis Upchurch	20 Mar 2018, 19:17
G is for Greenwich	Frank Reed	20 Mar 2018, 18:51
Re: Geographic coordinates from smart phones	Frank Reed	20 Mar 2018, 18:21
Re: Stephen Hawking	Frank Reed	20 Mar 2018, 18:08
Modern Celestial, this weekend at Mystic Seaport	Frank Reed	20 Mar 2018, 16:18
Re: Upcoming celestial classes at Mystic Seaport	Terry Syrokosz	20 Mar 2018, 13:52
Re: Stephen Hawking	Francis Upchurch	19 Mar 2018, 19:15
Re: Nomogram for Dip Short of Horizon	Robin Stuart	19 Mar 2018, 14:18
Re: Nomogram for Dip Short of Horizon	Tony Oz	19 Mar 2018, 10:46
Re: Nomogram for Dip Short of Horizon	Ed Popko	18 Mar 2018, 22:54
Re: Nomogram for Dip Short of Horizon	Herman Dekker	18 Mar 2018, 21:49
Re: Nomogram for Dip Short of Horizon	Greg Rudzinski	18 Mar 2018, 21:33
Re: Geographic coordinates from smart phones	Brad Morris	18 Mar 2018, 20:47
Nomogram for Dip Short of Horizon	Robin Stuart	18 Mar 2018, 20:28
Re: Did chronometers introduce economics to navigation?	Geoffrey Kolbe	18 Mar 2018, 20:00
Geographic coordinates from smart phones	Mike Burkes	18 Mar 2018, 16:26
Re: Did chronometers introduce economics to navigation?	Brad Morris	18 Mar 2018, 15:17
Re: Did chronometers introduce economics to navigation?	Greg Rudzinski	18 Mar 2018, 13:24
Did chronometers introduce economics to navigation?	Ed Popko	18 Mar 2018, 12:34
Re: D.H. Sadler on Ephemeris Time, 1954	Peter Monta	18 Mar 2018, 06:07
Re: Erasing E6-B and Polhemus Plots	Frank Reed	18 Mar 2018, 02:17
Re: D.H. Sadler on Ephemeris Time, 1954	Frank Reed	18 Mar 2018, 02:03
Re: Erasing E6-B and Polhemus Plots	Ed Popko	17 Mar 2018, 10:22
Re: Erasing E6-B and Polhemus Plots	Tracy Shrier	17 Mar 2018, 04:36
Re: Stephen Hawking	Geoffrey Kolbe	16 Mar 2018, 19:59
Current / future state of UT1 access?	Paul Hirose	16 Mar 2018, 18:24
D.H. Sadler on Ephemeris Time, 1954	Paul Hirose	16 Mar 2018, 18:23
Stephen Hawking	Frank Reed	16 Mar 2018, 16:35
Re: Short Dip distance	Ron Jones	16 Mar 2018, 15:20
Re: Short Dip distance	Robin Stuart	16 Mar 2018, 15:10
Re: Short Dip distance	Robin Stuart	16 Mar 2018, 14:31
Re: Celestial Simulator	Phil Sadler	15 Mar 2018, 22:20
Re: Celestial Simulator	Luc Van den Borre	15 Mar 2018, 21:31
Re: Celestial Simulator	Phil Sadler	15 Mar 2018, 20:26
Re: Celestial Simulator	Phil Sadler	15 Mar 2018, 20:22
Re: Celestial Simulator	Frank Reed	15 Mar 2018, 17:32
Re: Short Dip distance	Stan K	15 Mar 2018, 16:04
Re: Celestial Simulator	Phil Sadler	15 Mar 2018, 13:25
Re: Celestial Simulator	Phil Sadler	15 Mar 2018, 13:16
Re: Celestial Simulator	Phil Sadler	15 Mar 2018, 13:14
Re: Celestial Simulator	Phil Sadler	15 Mar 2018, 13:13
Re: Short Dip distance	Greg Rudzinski	15 Mar 2018, 12:29
Re: Celestial Simulator	Luc Van den Borre	15 Mar 2018, 09:54
Re: Celestial Simulator	Luc Van den Borre	15 Mar 2018, 07:55
Re: Celestial Simulator	Sean C	15 Mar 2018, 07:14
Short Dip distance	Bob McDowell	15 Mar 2018, 06:12
A message to Herman Dekker	Stan K	15 Mar 2018, 05:49
Re: Celestial Simulator	Frank Reed	15 Mar 2018, 03:12
Re: No Celestial Love in ECDIS	Michael Bradley	14 Mar 2018, 21:09
Re: Distance to Horizon by Dip	Frank Reed	14 Mar 2018, 18:49
Distance to Horizon by Dip	Bob Goethe	14 Mar 2018, 18:15
Re: An azimuth nomogram: what's under the hood?	Robin Stuart	14 Mar 2018, 18:10
Re: No Celestial Love in ECDIS	Greg Rudzinski	14 Mar 2018, 16:39
Re: An azimuth nomogram: what's under the hood?	Bob Crawley	14 Mar 2018, 12:15
Re: An azimuth nomogram: what's under the hood?	Roger W. Sinnott	14 Mar 2018, 11:02
Re: An azimuth nomogram: what's under the hood?	Stan K	13 Mar 2018, 22:57
Re: An azimuth nomogram: what's under the hood?	Robin Stuart	13 Mar 2018, 19:17
Re: An azimuth nomogram: what's under the hood?	Tony Oz	13 Mar 2018, 18:42
Re: An azimuth nomogram: what's under the hood?	Robert Wyatt	13 Mar 2018, 18:15
Re: An azimuth nomogram: what's under the hood?	Frank Reed	13 Mar 2018, 17:38
Re: An azimuth nomogram: what's under the hood?	Robin Stuart	13 Mar 2018, 17:07
Re: Odd star brightness as seen from ISS night orbits	Frank Reed	13 Mar 2018, 16:42
Re: An azimuth nomogram: what's under the hood?	Tony Oz	13 Mar 2018, 16:37
Re: An azimuth nomogram: what's under the hood?	Bob Goethe	13 Mar 2018, 16:34
Re: An azimuth nomogram: what's under the hood?	Tony Oz	13 Mar 2018, 16:33
Re: An azimuth nomogram: what's under the hood?	Tony Oz	13 Mar 2018, 15:02
Re: An azimuth nomogram: what's under the hood?	Bruce J. Pennino	13 Mar 2018, 14:09
Re: An azimuth nomogram: what's under the hood?	Robin Stuart	13 Mar 2018, 13:36
Re: An azimuth nomogram: what's under the hood?	Tony Oz	13 Mar 2018, 10:31
Re: An azimuth nomogram: what's under the hood?	Roger W. Sinnott	13 Mar 2018, 10:27
Re: Erasing E6-B and Polhemus Plots	David Pike	13 Mar 2018, 07:59
Re: Flight Levels CelNav; 02/10/2018	Gary LaPook	13 Mar 2018, 07:53
Re: Flight Levels CelNav; 02/10/2018	Gary LaPook	13 Mar 2018, 07:27
Re: Erasing E6-B and Polhemus Plots	Gary LaPook	13 Mar 2018, 06:57
Re: An azimuth nomogram: what's under the hood?	Sean C	13 Mar 2018, 05:35
Re: An azimuth nomogram: what's under the hood?	Sean C	13 Mar 2018, 05:15
Re: An azimuth nomogram: what's under the hood?	Sean C	13 Mar 2018, 05:10
Re: An azimuth nomogram: what's under the hood?	Gary LaPook	12 Mar 2018, 22:11
Re: Another round on the fate of Amelia Earhart in today's news	Gary LaPook	12 Mar 2018, 22:09
Re: Another round on the fate of Amelia Earhart in today's news	Jackson McDonald	12 Mar 2018, 21:58
Re: Another round on the fate of Amelia Earhart in today's news	Gary LaPook	12 Mar 2018, 21:27
An azimuth nomogram: what's under the hood?	Tony Oz	12 Mar 2018, 18:27
Re: No Celestial Love in ECDIS	Frank Reed	12 Mar 2018, 17:54
Re: No Celestial Love in ECDIS	Andrés Ruiz	12 Mar 2018, 17:05
Re: No Celestial Love in ECDIS	Greg Rudzinski	12 Mar 2018, 15:11
Re: No Celestial Love in ECDIS	Andrés Ruiz	12 Mar 2018, 14:00
Odd star brightness as seen from ISS night orbits	Ed Popko	12 Mar 2018, 12:53
Re: Procedure for points on a circle of position	Andrés Ruiz	12 Mar 2018, 09:04
Re: No Celestial Love in ECDIS	Andrés Ruiz	12 Mar 2018, 08:55
Re: Thridrangaviti Lighthouse	Andrés Ruiz	12 Mar 2018, 08:54
Re: NAO Concise Reduction Form	Bob McDowell	12 Mar 2018, 06:55
Re: NAO Concise Reduction Form	Bob McDowell	12 Mar 2018, 06:50
Re: No Celestial Love in ECDIS	Frank Reed	12 Mar 2018, 02:26
Re: No Celestial Love in ECDIS	Greg Rudzinski	11 Mar 2018, 23:09
Re: No Celestial Love in ECDIS	Jeremy C	11 Mar 2018, 22:23
Celestial Simulator	Phil Sadler	11 Mar 2018, 21:44
Re: NAO Concise Reduction Form	Stan K	11 Mar 2018, 21:03
Procedure for points on a circle of position	Frank Reed	11 Mar 2018, 18:49
Re: Busy night as workers adjust British henge sites for saving time	Dennis Jewitt	11 Mar 2018, 18:17
NAO Concise Reduction Form	Bob McDowell	11 Mar 2018, 17:53
Re: No Celestial Love in ECDIS	Michael Bradley	11 Mar 2018, 17:49
Re: Erasing E6-B and Polhemus Plots	Jacob M. Huffman III	11 Mar 2018, 15:40
Busy night as workers adjust British henge sites for saving time	Ed Popko	11 Mar 2018, 13:27
Re: No Celestial Love in ECDIS	Greg Rudzinski	11 Mar 2018, 13:05
Re: Getting UT1/GMT	Tony Oz	11 Mar 2018, 10:36
No Celestial Love in ECDIS	Jeremy C	11 Mar 2018, 10:16
Re: Getting UT1/GMT	Tony Oz	11 Mar 2018, 09:48
Re: Erasing E6-B and Polhemus Plots	Alan S	11 Mar 2018, 04:56
Re: Erasing E6-B and Polhemus Plots	Alan S	11 Mar 2018, 04:39
Re: Another round on the fate of Amelia Earhart in today's news	Don Seltzer	11 Mar 2018, 01:11
Re: Another round on the fate of Amelia Earhart in today's news	Tony Oz	10 Mar 2018, 21:42
Re: Artificial Horizon Sun Moon Fix by Casio fx 260	Lars Bergman	10 Mar 2018, 20:45
Re: Erasing E6-B and Polhemus Plots	Mike Burkes	10 Mar 2018, 19:53
Re: Erasing E6-B and Polhemus Plots	Paul Hirose	10 Mar 2018, 19:45
Re: Erasing E6-B and Polhemus Plots	Mike Burkes	10 Mar 2018, 19:32
Re: Another round on the fate of Amelia Earhart in today's news	Brad Morris	10 Mar 2018, 13:19
Re: Erasing E6-B and Polhemus Plots	Ed Popko	10 Mar 2018, 10:45
Re: Another round on the fate of Amelia Earhart in today's news	Tony Oz	10 Mar 2018, 07:00
Re: Erasing E6-B and Polhemus Plots	Sean C	10 Mar 2018, 06:27
Re: Erasing E6-B and Polhemus Plots	Alan S	10 Mar 2018, 03:31
Getting UT1/GMT	Bob Goethe	10 Mar 2018, 02:30
Thridrangaviti Lighthouse	Bob Goethe	10 Mar 2018, 01:55
Re: Flight Levels CelNav; 02/10/2018	Tracy Shrier	10 Mar 2018, 01:42
Re: Upcoming celestial classes at Mystic Seaport	Bob Goethe	9 Mar 2018, 23:07
Upcoming celestial classes at Mystic Seaport	Frank Reed	9 Mar 2018, 21:29
ADMIN: NavList Operations contributions	Frank Reed	9 Mar 2018, 20:09
Re: Erasing E6-B and Polhemus Plots	David Pike	9 Mar 2018, 19:31
Another Earhart mystery?	Lu Abel	9 Mar 2018, 18:20
Re: Erasing E6-B and Polhemus Plots	Hewitt Schlereth	9 Mar 2018, 17:23
Erasing E6-B and Polhemus Plots	Ed Popko	9 Mar 2018, 16:40
131 Year Old Message in a Bottle	Noell Wilson	9 Mar 2018, 13:25
Re: NASA and celestial navigation	Wolfgang Köberer	8 Mar 2018, 17:50
Re: Does this feel familiar?	Jackson McDonald	8 Mar 2018, 15:47
Does this feel familiar?	Bob Crawley	8 Mar 2018, 09:05
Re: CPlath Trommel Sextant to trade for a Freiberger Yacht Sextant	Bob McDowell	8 Mar 2018, 07:20
Re: CPlath Trommel Sextant to trade for a Freiberger Yacht Sextant	Dan Pfeiffer	8 Mar 2018, 01:00
Re: Polar Grid AirNav and Oceanic AirNav	Paul Hirose	7 Mar 2018, 21:29
"Sunburst and Luminary", Apollo software and navigation	Don Seltzer	7 Mar 2018, 15:52
Re: NASA and celestial navigation	Sean C	7 Mar 2018, 03:04
Re: NASA and celestial navigation	Peter Monta	7 Mar 2018, 00:51
Artificial Horizon Sun Moon Fix by Casio fx 260	Greg Rudzinski	6 Mar 2018, 19:56
Re: NASA and celestial navigation	Greg Rudzinski	6 Mar 2018, 17:23
Re: NASA and celestial navigation	Frank Reed	6 Mar 2018, 16:39
Re: Polhemus in the Southern Hemisphere	Ed Popko	6 Mar 2018, 12:14
Re: NASA and celestial navigation	Ed Popko	6 Mar 2018, 10:59
Re: Polhemus in the Southern Hemisphere	Gary LaPook	6 Mar 2018, 09:05
Re: NASA and celestial navigation	Geoffrey Kolbe	6 Mar 2018, 06:29
Re: NASA and celestial navigation	Alan S	6 Mar 2018, 04:04
Re: NASA and celestial navigation	Greg Rudzinski	5 Mar 2018, 21:11
NASA and celestial navigation	Frank Reed	5 Mar 2018, 20:17
CPlath Trommel Sextant to trade for a Freiberger Yacht Sextant	Bob McDowell	5 Mar 2018, 06:19
Re: Another round on the fate of Amelia Earhart in today's news	Gary LaPook	5 Mar 2018, 06:07
Re: Another round on the fate of Amelia Earhart in today's news	Paul Saffo	5 Mar 2018, 04:28
Re: Many EBAY Sextants Available	Alan S	5 Mar 2018, 01:25
Re: Many EBAY Sextants Available	Paul Bedel	4 Mar 2018, 20:46
Re: Many EBAY Sextants Available	Antoine Couëtte	4 Mar 2018, 20:11
Re: Many EBAY Sextants Available	Robert VanderPol II	4 Mar 2018, 01:10
Re: Many EBAY Sextants Available	Ed Popko	3 Mar 2018, 22:51
Re: The diagram on strip form	Robert Pearson	3 Mar 2018, 18:34
Many EBAY Sextants Available	Bruce J. Pennino	3 Mar 2018, 15:10
Re: The diagram on strip form	Robert VanderPol II	3 Mar 2018, 14:17
Re: The diagram on strip form	Jeremy C	3 Mar 2018, 08:15
Re: The diagram on strip form	Sean C	3 Mar 2018, 05:58
The diagram on strip form	Bob Goethe	2 Mar 2018, 16:35
Re: Gatty's Raft Manual map	Tony Oz	2 Mar 2018, 15:24
Polhemus in the Southern Hemisphere	Ed Popko	2 Mar 2018, 13:41
Gatty's Raft Manual map	Bob Crawley	2 Mar 2018, 09:36
Re: Another round on the fate of Amelia Earhart in today's news	Tony Oz	2 Mar 2018, 08:37
Re: Pyramid alignment	Geoffrey Kolbe	2 Mar 2018, 06:52
Re: Polhemus computer	Alan S	2 Mar 2018, 05:46
Re: Pyramid alignment	Frank Reed	2 Mar 2018, 00:41
Pyramid alignment	Gary LaPook	1 Mar 2018, 23:58
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?	Gary LaPook	1 Mar 2018, 20:23
Re: Another round on the fate of Amelia Earhart in today's news	Noell Wilson	1 Mar 2018, 20:09
Re: Another round on the fate of Amelia Earhart in today's news	Don Seltzer	1 Mar 2018, 19:31
Re: Another round on the fate of Amelia Earhart in today's news	Tony Oz	1 Mar 2018, 11:37
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?	Paul Hughes	1 Mar 2018, 11:15
Re: Another round on the fate of Amelia Earhart in today's news	Gary LaPook	1 Mar 2018, 09:43
Re: Flight Levels CelNav; 02/10/2018	Gary LaPook	1 Mar 2018, 09:10
Re: Another round on the fate of Amelia Earhart in today's news	Gary LaPook	1 Mar 2018, 08:53
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?	Geoffrey Kolbe	1 Mar 2018, 07:10
Re: Another round on the fate of Amelia Earhart in today's news	Gary LaPook	1 Mar 2018, 05:47
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?	Tony Oz	28 Feb 2018, 18:52
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?	Brad Morris	28 Feb 2018, 18:16
Re: Quiet Month for NavList	John Rizzuto	28 Feb 2018, 14:12
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?	Tony Oz	28 Feb 2018, 10:18
Re: The Defective State of the Nautical Almanac	Roger W. Sinnott	27 Feb 2018, 20:26
Re: The Defective State of the Nautical Almanac	Roger W. Sinnott	27 Feb 2018, 19:15
Re: The Defective State of the Nautical Almanac	Robert H. van Gent	27 Feb 2018, 16:04
Re: The Defective State of the Nautical Almanac	Frank Reed	27 Feb 2018, 15:56
Re: The Defective State of the Nautical Almanac	Martin Gardner	27 Feb 2018, 15:36
Re: Quiet Month for NavList	Frank Reed	27 Feb 2018, 15:11
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?	Frank Reed	27 Feb 2018, 14:41
Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?	Tony Oz	27 Feb 2018, 14:13
Re: Sunrise to sunset azimuth	Antoine Couëtte	26 Feb 2018, 18:24
Re: Sunrise to sunset azimuth	Frank Reed	26 Feb 2018, 17:30
Re: Quiet Month for NavList	Frank Reed	26 Feb 2018, 17:30
Re: Quiet Month for NavList	Brad Morris	26 Feb 2018, 15:31
Re: Sunrise to sunset azimuth	Antoine Couëtte	26 Feb 2018, 14:43
Re: Quiet Month for NavList	Paul Hughes	26 Feb 2018, 11:47
Re: Polar Grid AirNav and Oceanic AirNav	David Pike	26 Feb 2018, 09:03
Re: Quiet Month for NavList	John D. Howard	26 Feb 2018, 05:15
Re: Quiet Month for NavList	Tom Sult	26 Feb 2018, 04:30
Re: Polar Grid AirNav and Oceanic AirNav	Ludwig Schweinfurth	26 Feb 2018, 01:56
Sunrise to sunset azimuth	Frank Reed	25 Feb 2018, 23:58
Re: Quiet Month for NavList	David C	25 Feb 2018, 22:17
Re: Quiet Month for NavList	Frank Reed	25 Feb 2018, 22:10
Re: Quiet Month for NavList	Frank Reed	25 Feb 2018, 22:05
Re: Quiet Month for NavList	Tom Sult	25 Feb 2018, 21:13
Re: In a nutshell...	Tom Sult	25 Feb 2018, 21:12
Re: Quiet Month for NavList	Bob Goethe	25 Feb 2018, 20:23
Quiet Month for NavList	Frank Reed	25 Feb 2018, 18:49
Re: In a nutshell...	Frank Reed	25 Feb 2018, 18:03
Re: Another round on the fate of Amelia Earhart in today's news	Brad Morris	25 Feb 2018, 01:20
Re: Another round on the fate of Amelia Earhart in today's news	Don Seltzer	24 Feb 2018, 23:25
(OT) Update to my Historical Atlas apps	Frank Reed	23 Feb 2018, 21:03
Re: GPS jamming concerns	Alan S	23 Feb 2018, 04:38
Re: I wonder how much celnav experience they had...	David Pike	22 Feb 2018, 17:39
Re: I wonder how much celnav experience they had...	Daniel Loewer	21 Feb 2018, 22:27
Re: In a nutshell...	Antonio Sauci	21 Feb 2018, 16:54
Re: Location without DR	Frank Reed	21 Feb 2018, 16:12
Re: My introduction	Terry Syrokosz	21 Feb 2018, 15:41
Re: Location without DR	Marco A. Costa	21 Feb 2018, 14:59
Re: In a nutshell...	Mike Freeman	21 Feb 2018, 10:27
Re: In a nutshell...	Mike Freeman	21 Feb 2018, 06:28
Re: Chas. C. Hutchinson sextant	Alan S	20 Feb 2018, 23:23
Re: In a nutshell...	Robert Bernecky	20 Feb 2018, 19:29
Re: My introduction	Don Seltzer	20 Feb 2018, 19:20
Re: In a nutshell...	Frank Reed	20 Feb 2018, 19:06
In a nutshell...	Mike Freeman	20 Feb 2018, 18:14
Re: Proof-reading the OCR of Cotter's "History..."	Tony Oz	20 Feb 2018, 14:39
Re: My introduction	Ed Popko	20 Feb 2018, 11:08
Re: Proof-reading the OCR of Cotter's "History..."	Tony Oz	20 Feb 2018, 09:01
Re: My introduction	Antoine Couëtte	20 Feb 2018, 06:12
My introduction	Terry Syrokosz	20 Feb 2018, 00:32
Re: Proof-reading the OCR of Cotter's "History..."	Frank Reed	19 Feb 2018, 19:08
Re: Location without DR	Frank Reed	19 Feb 2018, 18:30
Re: Location without DR	Ed Popko	19 Feb 2018, 17:18
Re: Location without DR	David Fleming	19 Feb 2018, 16:39
Re: Proof-reading the OCR of Cotter's "History..."	Brad Morris	19 Feb 2018, 14:07
Re: Location without DR	Ed Popko	19 Feb 2018, 11:44
Re: Proof-reading the OCR of Cotter's "History..."	Tony Oz	19 Feb 2018, 11:16
Flight Levels CelNav; 02/10/2018	Tracy Shrier	19 Feb 2018, 05:24
Re: Location without DR	Sean C	19 Feb 2018, 02:56
Re: Location without DR	Paul Hirose	17 Feb 2018, 21:58
Re: The Defective State of the Nautical Almanac	Örjan Sandström	17 Feb 2018, 05:44
Re: Where the Bing are we?	David Fleming	16 Feb 2018, 23:19
Re: Location without DR	Marco A. Costa	16 Feb 2018, 22:19
Re: Where the Bing are we?	David Pike	16 Feb 2018, 21:29
Re: Where the Bing are we?	Antoine Couëtte	16 Feb 2018, 18:31
Proof-reading the OCR of Cotter's "History..."	Tony Oz	16 Feb 2018, 15:31
Re: Where the Bing are we?	Greg Rudzinski	16 Feb 2018, 13:57
Re: Where the Bing are we?	David Pike	16 Feb 2018, 12:16
Re: Where the Bing are we?	David Pike	16 Feb 2018, 11:27
Re: The "golden rule of three" - what's that?	Paul Hughes	16 Feb 2018, 08:33
AP1234 plus exam on ebay £60	Bob Crawley	16 Feb 2018, 08:23
Where the Bing are we?	Frank Reed	16 Feb 2018, 03:56
The Defective State of the Nautical Almanac	Frank Reed	16 Feb 2018, 02:44
Re: The "golden rule of three" - what's that?	Frank Reed	15 Feb 2018, 23:01
Re: The "golden rule of three" - what's that?	David Pike	15 Feb 2018, 21:31
Where is the Earth?	Frank Reed	15 Feb 2018, 20:24
Re: X-ray sextant	Paul Dolkas	14 Feb 2018, 19:44
Re: Delta T long term formula	Paul Hirose	14 Feb 2018, 19:17
Re: The "golden rule of three" - what's that?	Herman Dekker	14 Feb 2018, 09:38
Re: The "golden rule of three" - what's that?	John D. Howard	14 Feb 2018, 03:43
Re: The "golden rule of three" - what's that?	Frank Reed	14 Feb 2018, 02:50
Re: The "golden rule of three" - what's that?	John D. Howard	14 Feb 2018, 02:25
Re: The "golden rule of three" - what's that?	Frank Reed	13 Feb 2018, 17:53
Re: The "golden rule of three" - what's that?	Tony Oz	12 Feb 2018, 15:11
Re: The "golden rule of three" - what's that?	Bill Lionheart	12 Feb 2018, 08:51
Re: The "golden rule of three" - what's that?	Brad Morris	11 Feb 2018, 23:54
Re: The "golden rule of three" - what's that?	Don Seltzer	11 Feb 2018, 23:35
The "golden rule of three" - what's that?	Tony Oz	11 Feb 2018, 22:52
Chas. C. Hutchinson sextant	Jackson McDonald	11 Feb 2018, 22:23
Re: I wonder how much celnav experience they had...	Lu Abel	11 Feb 2018, 20:10
Re: I wonder how much celnav experience they had...	Greg Rudzinski	11 Feb 2018, 18:30
I wonder how much celnav experience they had...	Paul Saffo	11 Feb 2018, 17:24
Re: X-ray sextant	Robert Eno	11 Feb 2018, 07:26
Re: Deriving the Bygrave equations	Gary LaPook	11 Feb 2018, 06:32
Re: X-ray sextant	Frank Reed	10 Feb 2018, 21:05
X-ray sextant	Jackson McDonald	10 Feb 2018, 20:39
Re: NavList Twitter feed	Frank Reed	10 Feb 2018, 20:28
Re: Read the vernier, get the noon latitude	Brad Morris	10 Feb 2018, 18:24
Re: Puzzled by Douglas Protractor Instructions	Martin Gardner	10 Feb 2018, 15:14
Re: Deriving the Bygrave equations	Geoffrey Kolbe	10 Feb 2018, 14:36
Re: Read the vernier, get the noon latitude	William A	10 Feb 2018, 07:35
Re: Antique Sextant	Frank Reed	9 Feb 2018, 20:11
Re: Antique Sextant	Jackson McDonald	9 Feb 2018, 20:04
Re: Deriving the Bygrave equations	Paul Hirose	9 Feb 2018, 18:34
Re: Antique Sextant	Alan S	9 Feb 2018, 18:02
Re: Antique Sextant	Greg Rudzinski	9 Feb 2018, 13:04
Re: Kollsman periscopic sextant mount	David Pike	9 Feb 2018, 09:29
Re: Kollsman periscopic sextant mount	Gary LaPook	9 Feb 2018, 07:56
Re: Antique Sextant	Frank Reed	9 Feb 2018, 05:57
Re: Antique Sextant	Alan S	9 Feb 2018, 05:04
Re: Kollsman periscopic sextant mount	Russell Crum	9 Feb 2018, 02:48
Antique Sextant	Greg Rudzinski	8 Feb 2018, 23:15
Re: Read the vernier, get the noon latitude	Gary LaPook	8 Feb 2018, 18:57
Re: Read the vernier, get the noon latitude	William A	8 Feb 2018, 18:19
Re: Vacation-time Lunars	Ed Popko	7 Feb 2018, 22:46
Horizon noise near Cleveland	Frank Reed	7 Feb 2018, 21:56
Re: Vacation-time Lunars	Frank Reed	7 Feb 2018, 20:55
Re: Cotter's "History of Nautical Astronomy" on ebay	Tony Oz	7 Feb 2018, 18:05
Re: Cotter's "History of Nautical Astronomy" on ebay	Frank Reed	7 Feb 2018, 17:31
Re: Cotter's "History of Nautical Astronomy" on ebay	Tony Oz	7 Feb 2018, 15:04
Re: Mickey Mouse's dog is back	Tony Oz	7 Feb 2018, 10:28
Re: Latitude by law of cosines	Andrés Ruiz	7 Feb 2018, 09:29
Re: Read the vernier, get the noon latitude	Sean C	7 Feb 2018, 03:36
Re: Oblateness calculation given observer's latitude	Frank Reed	7 Feb 2018, 03:28
Re: What is your GP?	Greg Rudzinski	7 Feb 2018, 01:28
Re: What is your GP?	Don Seltzer	7 Feb 2018, 01:02
Re: What is your GP?	Bob Goethe	6 Feb 2018, 23:46
Re: Read the vernier, get the noon latitude	Frank Reed	6 Feb 2018, 23:26
Deriving the Bygrave equations	Bob Goethe	6 Feb 2018, 23:23
What is your GP?	Frank Reed	6 Feb 2018, 23:08
Re: Read the vernier, get the noon latitude	David Pike	6 Feb 2018, 22:01
Re: Latitude by law of cosines	Gary LaPook	6 Feb 2018, 21:07
Re: Read the vernier, get the noon latitude	Gary LaPook	6 Feb 2018, 21:04
Re: Latitude by law of cosines	Frank Reed	6 Feb 2018, 20:59
Re: Read the vernier, get the noon latitude	Bob Goethe	6 Feb 2018, 20:23
Re: Read the vernier, get the noon latitude	Greg Rudzinski	6 Feb 2018, 20:18
Re: Read the vernier, get the noon latitude	Gary LaPook	6 Feb 2018, 20:16
Re: Read the vernier, get the noon latitude	Greg Rudzinski	6 Feb 2018, 20:06
Read the vernier, get the noon latitude	Frank Reed	6 Feb 2018, 19:46
Re: Oblateness calculation given observer's latitude	Peter Monta	5 Feb 2018, 17:03
Re: Delta T long term formula	Antoine Couëtte	5 Feb 2018, 13:46
Re: Delta T long term formula	Geoffrey Kolbe	4 Feb 2018, 17:31
Re: Mickey Mouse's dog is back	Paul Werner	3 Feb 2018, 18:13
Delta T long term formula	Paul Hirose	3 Feb 2018, 17:38
Vacation-time Lunars (cont.)	Ed Popko	3 Feb 2018, 12:29
Vacation-time Lunars	Ed Popko	2 Feb 2018, 21:32
Re: Oblateness calculation given observer's latitude	Frank Reed	1 Feb 2018, 06:20
Re: Oblateness calculation given observer's latitude	Frank Reed	1 Feb 2018, 05:43
Re: Lunars-lite	Roger W. Sinnott	31 Jan 2018, 15:05
Satellite-derived Time and Position: A Study of Critical Dependencies	David Pike	31 Jan 2018, 08:28
NavList Twitter feed	Frank Reed	31 Jan 2018, 01:28
Re: Lunars-lite	Peter Monta	31 Jan 2018, 00:23
Re: Oblateness calculation given observer's latitude	Peter Monta	31 Jan 2018, 00:01
Re: Mickey Mouse's dog is back	Noell Wilson	30 Jan 2018, 23:21
Re: Oblateness calculation given observer's latitude	Frank Reed	30 Jan 2018, 21:52
Planned GNSS denial in the US	David Pike	30 Jan 2018, 12:13
Re: Oblateness calculation given observer's latitude	Paul Hughes	30 Jan 2018, 11:18
Re: Mickey Mouse's dog is back	Gary LaPook	30 Jan 2018, 07:07
Re: Mickey Mouse's dog is back	Sean C	30 Jan 2018, 04:20
Re: Lunars-lite	Roger W. Sinnott	30 Jan 2018, 02:34
Mickey Mouse's dog is back	Gary LaPook	30 Jan 2018, 01:35
Re: Oblateness calculation given observer's latitude	Peter Monta	30 Jan 2018, 00:08
Re: Lunars-lite	Peter Monta	29 Jan 2018, 23:59
Re: Lunars-lite	Peter Monta	29 Jan 2018, 23:32
Re: Oblateness calculation given observer's latitude	Ed Popko	29 Jan 2018, 20:48
Re: Oblateness calculation given observer's latitude	Frank Reed	29 Jan 2018, 20:12
Oblateness calculation given observe r’s latitude	Ed Popko	29 Jan 2018, 19:23
Lunars-lite	Roger W. Sinnott	29 Jan 2018, 12:15
Re: Artifical Horizon	Alan S	28 Jan 2018, 01:40
Re: Artifical Horizon	Terry Syrokosz	27 Jan 2018, 20:55
Re: Margetts' 1790 Longitude Tables	Francis Upchurch	27 Jan 2018, 07:03
Re: Margetts' 1790 Longitude Tables	Ed Popko	26 Jan 2018, 20:28
Re: Margetts' 1790 Longitude Tables	Frank Reed	26 Jan 2018, 18:55
Margetts' 1790 Longitude Tables	Ed Popko	26 Jan 2018, 15:08
Re: Artifical Horizon	Greg Rudzinski	26 Jan 2018, 12:59
Re: Question about old sextant	Andrés Ruiz	26 Jan 2018, 10:20
Re: Artifical Horizon	David Pike	26 Jan 2018, 10:03
Re: Question about old sextant	Robert H. van Gent	26 Jan 2018, 10:02
Re: Artifical Horizon	Andrés Ruiz	26 Jan 2018, 09:50
Re: Question about old sextant	Wolfgang Köberer	26 Jan 2018, 09:15
Re: Some Link A12 Sextant Questions	Ken Gebhart	26 Jan 2018, 04:54
Re: Artifical Horizon	Terry Syrokosz	26 Jan 2018, 02:36
Re: Artifical Horizon	Terry Syrokosz	26 Jan 2018, 02:22
Re: Moon sight reduction	Terry Syrokosz	25 Jan 2018, 23:11
Re: Artifical Horizon	Greg Rudzinski	25 Jan 2018, 23:07
Re: Moon sight reduction	Terry Syrokosz	25 Jan 2018, 22:59
Re: Some Link A12 Sextant Questions	David Pike	25 Jan 2018, 22:33
Re: Artifical Horizon	David Pike	25 Jan 2018, 22:00
Re: Moon sight reduction	Gary LaPook	25 Jan 2018, 21:51
Re: Moon sight reduction	Stan K	25 Jan 2018, 21:30
Re: Artifical Horizon	Greg Rudzinski	25 Jan 2018, 20:39
Re: Question about old sextant	Peter Monta	25 Jan 2018, 19:29
Artifical Horizon	Terry Syrokosz	25 Jan 2018, 17:46
Moon sight reduction	Terry Syrokosz	25 Jan 2018, 17:41
Question about old sextant	German Diaz	25 Jan 2018, 17:37
Re: Some Link A12 Sextant Questions	Geoffrey Kolbe	25 Jan 2018, 13:21
Useful modifications to the Polhemus computer	Gary LaPook	25 Jan 2018, 11:43
Re: Some Link A12 Sextant Questions	Andrés Ruiz	25 Jan 2018, 09:13
Re: DIY long-term almanac for calculators	Andrés Ruiz	25 Jan 2018, 08:37
Re: Some Link A12 Sextant Questions	David Pike	24 Jan 2018, 22:38
Re: Latitude by law of cosines	Charles McElhill	24 Jan 2018, 13:52
Re: DIY long-term almanac for calculators	Antoine Couëtte	24 Jan 2018, 11:37
Re: DIY long-term almanac for calculators	Tony Oz	24 Jan 2018, 09:29
Re: DIY long-term almanac for calculators	Paul Hirose	23 Jan 2018, 21:32
Re: Gnomonic charts and distances	David Fleming	23 Jan 2018, 20:26
Re: Latitude by law of cosines	Chris Caswell	23 Jan 2018, 20:07
Re: Gnomonic charts and distances	Frank Reed	23 Jan 2018, 19:57
Re: GC Routes & Strings on Globes	Frank Reed	23 Jan 2018, 17:15
Re: Gnomonic charts and distances	Robin Stuart	23 Jan 2018, 14:42
Re: GC Routes & Strings on Globes	Gary LaPook	23 Jan 2018, 08:10
GC Routes & Strings on Globes	Sean C	23 Jan 2018, 04:39
Re: Latitude by law of cosines	Frank Reed	23 Jan 2018, 00:31
Re: DIY long-term almanac for calculators	Murray Peake	22 Jan 2018, 23:11
Re: Latitude by law of cosines	Chris Caswell	22 Jan 2018, 23:05
Re: Gnomonic Charts - Usable Zones	Andrés Ruiz	22 Jan 2018, 20:43
Re: Gnomonic charts and distances	Frank Reed	22 Jan 2018, 19:35
Re: Gnomonic Charts - Usable Zones	Stan K	22 Jan 2018, 19:11
Gnomonic charts and distances	Bob Goethe	22 Jan 2018, 19:07
Supermoon mania	Frank Reed	22 Jan 2018, 18:43
Re: Some Link A12 Sextant Questions	Tracy Shrier	22 Jan 2018, 18:41
Re: Gnomonic Charts - Usable Zones	Andrés Ruiz	22 Jan 2018, 18:14
Re: Gnomonic Charts - Usable Zones	Stan K	22 Jan 2018, 16:53
Re: Gnomonic Charts - Usable Zones	Stan K	22 Jan 2018, 16:29
Re: Gnomonic Charts - Usable Zones	Stan K	22 Jan 2018, 15:50
Re: Gnomonic Charts - Usable Zones	Andrés Ruiz	22 Jan 2018, 13:08
Re: Gnomonic Charts - Usable Zones	Ed Popko	22 Jan 2018, 10:38
Re: Some Link A12 Sextant Questions	Gary LaPook	22 Jan 2018, 07:15
Re: Flight Levels CelNav: 01/10/2018	Gary LaPook	22 Jan 2018, 07:04
Re: Gnomonic Charts - Usable Zones	Frank Reed	22 Jan 2018, 06:00
Re: Some Link A12 Sextant Questions	Paul Hirose	22 Jan 2018, 05:28
Flight Levels CelNav: 01/10/2018	Tracy Shrier	22 Jan 2018, 05:18
Re: Gnomonic Charts - Usable Zones	Stan K	22 Jan 2018, 00:04
Re: Some Link A12 Sextant Questions	Tracy Shrier	21 Jan 2018, 22:36
2017 Bowditch Errata	Antonio Sauci	21 Jan 2018, 21:49
Some Link A12 Sextant Questions	David Pike	21 Jan 2018, 16:11
Re: Ex-meridian table methodology	Greg Rudzinski	21 Jan 2018, 14:12
Ex-meridian table methodology	Jeremy C	21 Jan 2018, 04:52
Re: Gnomonic Charts - personal experience/challenge	Jeremy C	20 Jan 2018, 23:37
Re: Gnomonic Charts - Usable Zones	Jeremy C	20 Jan 2018, 23:25
Re: Gnomonic Charts - Usable Zones	Frank Reed	20 Jan 2018, 21:14
Re: Semi-diameter of moon	Frank Reed	20 Jan 2018, 20:52
Semi-diameter of moon	Bob Goethe	20 Jan 2018, 20:25
Re: Gnomonic Charts - Usable Zones	Frank Reed	20 Jan 2018, 17:31
Re: Gnomonic Charts - Usable Zones	Jeremy C	20 Jan 2018, 13:38
Re: Call for Papers reminder: History of navigation conference	Frank Reed	20 Jan 2018, 02:00
Re: Gnomonic Charts - Usable Zones	Frank Reed	19 Jan 2018, 18:27
Re: Gnomonic Charts - Usable Zones	Andrés Ruiz	19 Jan 2018, 17:32
Re: The "mysterious" John Karl's book formulas	Andrés Ruiz	19 Jan 2018, 17:21
Re: Gnomonic Charts - Usable Zones	Bob Goethe	19 Jan 2018, 16:54
Re: Gnomonic Charts - Usable Zones	John D. Howard	19 Jan 2018, 16:38
Re: Gnomonic Charts - Usable Zones	Stan K	19 Jan 2018, 16:28
Re: Gnomonic Charts - Usable Zones	Stan K	19 Jan 2018, 16:24
Re: Gnomonic Charts - Usable Zones	Antoine Couëtte	19 Jan 2018, 16:24
Re: Gnomonic Charts - Usable Zones	Robin Stuart	19 Jan 2018, 16:06
Re: Gnomonic Charts - Usable Zones	Greg Rudzinski	19 Jan 2018, 15:08
Re: DIY long-term almanac for calculators	Andrés Ruiz	19 Jan 2018, 10:55
Re: Gnomonic Charts - Usable Zones	Sean C	19 Jan 2018, 09:17
Re: Gnomonic Charts - Usable Zones	Paul Hirose	19 Jan 2018, 08:49
Navigating with GPS, optically	Peter Monta	19 Jan 2018, 08:42
Re: Gnomonic Charts - Usable Zones	Bob Goethe	19 Jan 2018, 06:47
The "mysterious" John Karl's book formulas	Antonio Sauci	19 Jan 2018, 05:28
Re: Latitude by law of cosines	Frank Reed	19 Jan 2018, 05:23
Re: Gnomonic Charts - Usable Zones	Frank Reed	19 Jan 2018, 03:09
Gnomonic Charts - Usable Zones	Bob Goethe	19 Jan 2018, 02:43
Re: Archeological Celestial Question	Paul Hirose	18 Jan 2018, 22:44
Re: Archeological Celestial Question	Don Seltzer	18 Jan 2018, 21:08
Re: DIY long-term almanac for calculators	Frank Reed	18 Jan 2018, 20:41
Re: DIY long-term almanac for calculators	Paul Hirose	18 Jan 2018, 19:37
Re: Archeological Celestial Question	Frank Reed	18 Jan 2018, 19:15
Re: Archeological Celestial Question	Paul Saffo	18 Jan 2018, 15:15
Re: Archeological Celestial Question	Tony Oz	18 Jan 2018, 14:28
Re: DIY long-term almanac for calculators	Bruce Cutting	17 Jan 2018, 20:18
Archeological Celestial Question	Mark Coady	17 Jan 2018, 18:33
Re: Shadow sights for longitude	John A Brown	17 Jan 2018, 18:08
Re: Flight Levels CelNav; 11/10/2017	Gary LaPook	17 Jan 2018, 09:59
Re: Flight Levels CelNav; 11/10/2017	Gary LaPook	17 Jan 2018, 09:43
Re: Flight Levels CelNav; 11/10/2017	Tracy Shrier	17 Jan 2018, 05:43
Re: DIY long-term almanac for calculators	Paul Hirose	17 Jan 2018, 05:32
Re: Latitude by law of cosines	Fred Hebard	17 Jan 2018, 05:02
Re: USS Fitzgerald collision with container ship	Gary LaPook	17 Jan 2018, 01:38
Re: Latitude by law of cosines	Chris Caswell	16 Jan 2018, 22:20
Re: DIY long-term almanac for calculators	Murray Peake	16 Jan 2018, 10:47
Re: Latitude by law of cosines	Frank Reed	15 Jan 2018, 23:51
Re: Latitude by law of cosines	Chris Caswell	15 Jan 2018, 23:21
Re: Degree symbol anomaly	Robert Bernecky	15 Jan 2018, 21:58
Re: Degree symbol anomaly	Frank Reed	15 Jan 2018, 16:59
Re: DIY long-term almanac for calculators	Antoine Couëtte	15 Jan 2018, 16:42
DIY long-term almanac for calculators	Tony Oz	15 Jan 2018, 10:52
Degree symbol anomaly	Paul Hirose	15 Jan 2018, 08:03
Re: Latitude by law of cosines	Robert Bernecky	15 Jan 2018, 01:38
Latitude by law of cosines	Chris Caswell	14 Jan 2018, 22:08
Re: SHA vs RA	Gary LaPook	14 Jan 2018, 22:03
Re: Shadow sights for longitude	Greg Rudzinski	14 Jan 2018, 19:08
Re: SHA vs RA	David Pike	14 Jan 2018, 17:49
Re: SHA vs RA	Frank Reed	14 Jan 2018, 16:40
SHA vs RA	Bob Goethe	14 Jan 2018, 15:50
Re: Flight Levels CelNav; 11/10/2017	David Pike	14 Jan 2018, 13:00
Re: Shadow sights for longitude	Frank Reed	14 Jan 2018, 08:36
Re: Shadow sights for longitude	John A Brown	14 Jan 2018, 08:01
Re: Shadow sights for longitude	Geoffrey Kolbe	14 Jan 2018, 07:40
Re: Etymology of "loom"?	Markus O.	14 Jan 2018, 04:11
Re: Shadow sights for longitude	Brad Morris	13 Jan 2018, 20:05
Re: Shadow sights for longitude	David Fleming	13 Jan 2018, 18:47
Re: The Easy Lunars	Charles McElhill	13 Jan 2018, 09:53
Re: Shadow sights for longitude	David Pike	13 Jan 2018, 08:02
Re: Shadow sights for longitude	Geoffrey Kolbe	13 Jan 2018, 07:26
Re: Shadow sights for longitude	Peter Monta	13 Jan 2018, 04:43
Re: Shadow sights for longitude	David Fleming	13 Jan 2018, 03:40
Re: Shadow sights for longitude	Mark Knudsen	13 Jan 2018, 01:15
Re: The Easy Lunars	Sean C	12 Jan 2018, 23:43
The Easy Lunars	Charles McElhill	12 Jan 2018, 22:08
Re: Shadow sights for longitude	David Fleming	12 Jan 2018, 21:06
Re: Shadow sights for longitude	Mark Knudsen	12 Jan 2018, 19:31
Re: Shadow sights for longitude	Mark Knudsen	12 Jan 2018, 18:54
Re: Soviet navy emergency navigation manual (Pub.9049)	Tony Oz	12 Jan 2018, 18:08
Star identification via Bygrave formulas	Paul Hirose	12 Jan 2018, 16:48
Re: Soviet navy emergency navigation manual (Pub.9049)	Tony Oz	12 Jan 2018, 12:35
Re: Reduction of occultation of stars	Roger W. Sinnott	12 Jan 2018, 01:43
Re: Reduction of occultation of stars	Antoine Couëtte	11 Jan 2018, 22:50
Re: Shadow sights for longitude	John Rizzuto	11 Jan 2018, 21:22
Re: Reduction of occultation of stars	Murray Peake	11 Jan 2018, 18:04
Re: Reduction of occultation of stars	Murray Peake	11 Jan 2018, 16:47
Re: Reduction of occultation of stars	Roger W. Sinnott	11 Jan 2018, 16:42
Re: Soviet navy emergency navigation manual (Pub.9049)	Tony Oz	11 Jan 2018, 16:23
Re: Shadow sights for longitude	John A Brown	11 Jan 2018, 16:03
Re: Soviet navy emergency navigation manual (Pub.9049)	Andrew Nikitin	11 Jan 2018, 13:32
Re: Reduction of occultation of stars	Antoine Couëtte	11 Jan 2018, 11:18
Re: Soviet navy emergency navigation manual (Pub.9049)	Tony Oz	10 Jan 2018, 19:54
Re: Cotter's "History of Nautical Astronomy" on ebay	David C	10 Jan 2018, 19:04
Re: Cotter's "History of Nautical Astronomy" on ebay	Frank Reed	10 Jan 2018, 18:22
Re: Reduction of occultation of stars	Murray Peake	10 Jan 2018, 18:01
Re: Soviet navy emergency navigation manual (Pub.9049)	Bob Goethe	10 Jan 2018, 17:51
Re: Reduction of occultation of stars	Robin Stuart	10 Jan 2018, 16:25
Soviet navy emergency navigation manual (Pub.9049)	Tony Oz	10 Jan 2018, 16:25
Re: Latitude by two stars ...on a Party Boat	Antoine Couëtte	10 Jan 2018, 11:31
Reduction of occultation of stars	Murray Peake	9 Jan 2018, 20:38
Re: A noon fix inland with an peri-sextant	David Pike	9 Jan 2018, 19:13
Re: A noon fix inland with an peri-sextant	Brad Morris	9 Jan 2018, 18:21
Re: A noon fix inland with an peri-sextant	Mark Knudsen	9 Jan 2018, 17:56
Re: A noon fix inland with an peri-sextant	David Pike	9 Jan 2018, 16:51
Re: Latitude by two stars ...on a Party Boat	Bob Crawley	9 Jan 2018, 16:35
Shadow sights for longitude	John A Brown	9 Jan 2018, 15:53
Re: Latitude by two stars ...on a Party Boat	Antoine Couëtte	9 Jan 2018, 15:33
Re: Coriolis Acceleration -- A general case	David Pike	9 Jan 2018, 14:33
Re: GPS Anti Spoof app	Ed Popko	9 Jan 2018, 11:35
Re: 'Standard' Dome Refraction Table	David Pike	9 Jan 2018, 10:22
Re: Flight Levels CelNav; 11/10/2017	Gary LaPook	9 Jan 2018, 09:57
Re: Coriolis Acceleration -- A general case	David Pike	9 Jan 2018, 09:48
Re: A noon fix inland with an peri-sextant	Mark Knudsen	9 Jan 2018, 03:34
Re: Coriolis Acceleration -- A general case	Gary LaPook	8 Jan 2018, 23:10
Re: GPS Anti Spoof app	Greg Rudzinski	8 Jan 2018, 22:34
Re: Flight Levels CelNav; 11/10/2017	David Pike	8 Jan 2018, 21:00
Re: GPS Anti Spoof app	Ed Popko	8 Jan 2018, 20:20
Re: GPS Anti Spoof app	Frank Reed	8 Jan 2018, 20:00
Re: A noon fix inland with an peri-sextant	David Pike	8 Jan 2018, 19:18
Re: 'Standard' Dome Refraction Table	Frank Reed	8 Jan 2018, 18:59
Re: 'Standard' Dome Refraction Table	Tracy Shrier	8 Jan 2018, 17:20
Re: A noon fix inland with an peri-sextant	Mark Knudsen	8 Jan 2018, 16:43
Re: Flight Levels CelNav; 11/10/2017	Antoine Couëtte	8 Jan 2018, 15:32
Re: Coriolis Acceleration -- A general case	Antoine Couëtte	8 Jan 2018, 14:11
Re: A noon fix inland with an peri-sextant	Antoine Couëtte	8 Jan 2018, 10:52
Flight Levels CelNav; 11/10/2017	Tracy Shrier	8 Jan 2018, 05:02
Re: Bygrave sight reduction by slide rule	Paul Hirose	8 Jan 2018, 04:40
Re: A noon fix inland with an peri-sextant	Antoine Couëtte	7 Jan 2018, 19:23
Re: Lunar distance and nautical almanac	Ducruy Jacques	7 Jan 2018, 15:52
Re: Lunar distance and nautical almanac	Wolfgang Köberer	7 Jan 2018, 11:56
'Standard' Dome Refraction Table	David Pike	6 Jan 2018, 22:27
Re: Solstice Sun Lines	David Pike	6 Jan 2018, 22:06
Re: Lunar distance and nautical almanac	Ducruy Jacques	6 Jan 2018, 12:36
Re: Solstice Sun Lines	Brian Walton	6 Jan 2018, 04:50
Re: Solstice Sun Lines	Tracy Shrier	6 Jan 2018, 03:01
Re: Solstice Sun Lines	Tracy Shrier	6 Jan 2018, 02:04
Re: Lunar distance and nautical almanac	Peter Monta	6 Jan 2018, 00:02
Re: Latitude by two stars ...on a Party Boat	Frank Reed	5 Jan 2018, 23:42
Lunar distance and nautical almanac	Ducruy Jacques	5 Jan 2018, 21:35
Re: GPS Anti Spoof app	David Pike	5 Jan 2018, 20:26
Re: Latitude by two stars ...on a Party Boat	Bob Crawley	5 Jan 2018, 08:15
Re: Time-lapse movie with stars	Frank Reed	5 Jan 2018, 07:23
"Bomb Cyclone" GRIB	Sean C	5 Jan 2018, 06:15
Call for Papers reminder: History of navigation conference	Richard Dunn	4 Jan 2018, 15:24
Time-lapse movie with stars	Peter Monta	4 Jan 2018, 02:04
Re: Time zones article (from quartz/qz.com)	Peter Van Dine	3 Jan 2018, 04:58
Time zones article (from quartz/qz.com)	Jackson McDonald	3 Jan 2018, 01:22
Re: Bygrave sight reduction by slide rule	Paul Hirose	2 Jan 2018, 22:44
Re: GPS Anti Spoof app	Frank Reed	1 Jan 2018, 21:01
Re: GPS Anti Spoof app	Andrés Ruiz	1 Jan 2018, 18:28

Index includes 2712 messages.