Index includes 236 messages. Sorted by date, recent messages first.
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| Re: Christmas week Quizzes | Don Seltzer | 31 Dec 2020, 15:42 |
| Re: Christmas week Quizzes | David Pike | 31 Dec 2020, 10:54 |
| Re: Sides of the Navigational Triangle - Naming Conventions? | David Pike | 31 Dec 2020, 10:23 |
| Re: Sides of the Navigational Triangle - Naming Conventions? | David Iwancio | 31 Dec 2020, 01:25 |
| Sides of the Navigational Triangle - Naming Conventions? | Bob Goethe | 30 Dec 2020, 22:41 |
| Re: MK2A periscope sextant | K McGrath | 30 Dec 2020, 14:18 |
| Re: Christmas week Quizzes | David Pike | 30 Dec 2020, 10:05 |
| Re: Obscure Nautical Almanac star | Frank Reed | 30 Dec 2020, 01:02 |
| Re: Help Please - paper by Griffiths? on all haversine methods | Michael Bradley | 29 Dec 2020, 21:54 |
| Re: Obscure Nautical Almanac star | John Clements | 29 Dec 2020, 21:01 |
| Re: Obscure Nautical Almanac star | Robert H. van Gent | 29 Dec 2020, 16:55 |
| Re: Obscure Nautical Almanac star | Frank Reed | 29 Dec 2020, 16:27 |
| Re: Help Please - paper by Griffiths? on all haversine methods | Dave Walden | 29 Dec 2020, 15:29 |
| Re: Christmas week Quizzes | David Pike | 29 Dec 2020, 12:42 |
| Re: Christmas week Quizzes | David Pike | 29 Dec 2020, 12:25 |
| Re: Christmas week Quizzes | Modris Fersters | 29 Dec 2020, 11:56 |
| Re: Obscure Nautical Almanac star | Robert H. van Gent | 29 Dec 2020, 11:44 |
| Re: Two years after Galileo: an English telescope in Japan | Fred Hebard | 29 Dec 2020, 06:09 |
| Re: Two years after Galileo: an English telescope in Japan | David Fleming | 28 Dec 2020, 22:23 |
| Re: Christmas week Quizzes | Greg Rudzinski | 28 Dec 2020, 21:22 |
| Re: Two years after Galileo: an English telescope in Japan | Fred Hebard | 28 Dec 2020, 21:02 |
| Re: Two years after Galileo: an English telescope in Japan | Fred Hebard | 28 Dec 2020, 20:52 |
| Re: Two years after Galileo: an English telescope in Japan | David Fleming | 28 Dec 2020, 19:38 |
| Re: Two years after Galileo: an English telescope in Japan | Christopher Willmes | 28 Dec 2020, 18:14 |
| Re: More sunlight in Greenland than in the Amazon | Frank Reed | 28 Dec 2020, 18:13 |
| Re: Obscure Nautical Almanac star | Frank Reed | 28 Dec 2020, 18:13 |
| Re: Two years after Galileo: an English telescope in Japan | Christopher Willmes | 28 Dec 2020, 18:10 |
| Re: Obscure Nautical Almanac star | Frank Reed | 28 Dec 2020, 17:59 |
| Re: Two years after Galileo: an English telescope in Japan | Fred Hebard | 28 Dec 2020, 17:48 |
| Re: Obscure Nautical Almanac star | Robert H. van Gent | 28 Dec 2020, 17:36 |
| Two years after Galileo: an English telescope in Japan | Frank Reed | 28 Dec 2020, 17:02 |
| Re: Christmas week Quizzes | Jim Vrancik | 28 Dec 2020, 14:47 |
| Re: Christmas week Quizzes | David Pike | 28 Dec 2020, 11:39 |
| Re: Christmas week Quizzes | Mike Burkes | 28 Dec 2020, 02:18 |
| Obscure Nautical Almanac star | Frank Reed | 27 Dec 2020, 22:44 |
| Re: Online meetings, Office Hours, Christmas & New Years Day | Frank Reed | 27 Dec 2020, 20:08 |
| Sailing to CapeTown from the Falklands in winter - July-August 2020 | John Carbone | 27 Dec 2020, 19:53 |
| Re: Sunderlands and marine sextants | David Pike | 27 Dec 2020, 18:51 |
| Re: Sunderlands and marine sextants | David Pike | 27 Dec 2020, 18:35 |
| Re: Christmas week Quizzes | David Pike | 27 Dec 2020, 17:57 |
| Re: More sunlight in Greenland than in the Amazon | Adrian F | 27 Dec 2020, 17:44 |
| Re: Christmas week Quizzes | David Pike | 27 Dec 2020, 17:43 |
| Re: International star name pronunciations | Tom McCreary | 27 Dec 2020, 17:24 |
| Re: Christmas week Quizzes | Modris Fersters | 27 Dec 2020, 17:14 |
| Re: Christmas week Quizzes | Greg Rudzinski | 27 Dec 2020, 15:16 |
| Re: Bygrave Equations with a Calculator | Örjan Sandström | 27 Dec 2020, 12:30 |
| Re: Christmas week Quizzes | David Pike | 27 Dec 2020, 12:12 |
| Re: Help Please - paper by Griffiths? on all haversine methods | Michael Bradley | 27 Dec 2020, 10:36 |
| Re: Bygrave Equations with a Calculator | Frank Reed | 27 Dec 2020, 03:22 |
| Re: Jupiter-Moon Lunar from a photo | Frank Reed | 27 Dec 2020, 03:10 |
| Re: Christmas week Quizzes | Herman Dekker | 26 Dec 2020, 21:32 |
| Re: More sunlight in Greenland than in the Amazon | David Pike | 26 Dec 2020, 19:03 |
| International star name pronunciations | Frank Reed | 26 Dec 2020, 18:04 |
| Re: More sunlight in Greenland than in the Amazon | Frank Reed | 26 Dec 2020, 16:40 |
| Re: Christmas week Quizzes | Greg Rudzinski | 26 Dec 2020, 16:40 |
| Re: More sunlight in Greenland than in the Amazon | David Pike | 26 Dec 2020, 15:23 |
| Re: Christmas week Quizzes | Jim Vrancik | 26 Dec 2020, 14:23 |
| Re: Help Please - paper by Griffiths? on all haversine methods | Greg Rudzinski | 26 Dec 2020, 13:48 |
| Re: More sunlight in Greenland than in the Amazon | Adrian F | 26 Dec 2020, 12:23 |
| Christmas week Quizzes | David Pike | 26 Dec 2020, 10:35 |
| Help Please - paper by Griffiths? on all haversine methods | Michael Bradley | 26 Dec 2020, 09:20 |
| Re: Bygrave Equations with a Calculator | David C | 26 Dec 2020, 07:35 |
| Re: Bygrave Equations with a Calculator | Frank Reed | 26 Dec 2020, 04:25 |
| Re: Bygrave Equations with a Calculator | David C | 26 Dec 2020, 03:17 |
| Re: MK2A periscope sextant | David Pike | 25 Dec 2020, 21:45 |
| Re: More sunlight in Greenland than in the Amazon | David Pike | 25 Dec 2020, 19:44 |
| Re: Jupiter-Moon Lunar from a photo | Modris Fersters | 25 Dec 2020, 19:07 |
| Re: Bygrave Equations with a Calculator | Frank Reed | 25 Dec 2020, 15:52 |
| Re: MK2A periscope sextant | K McGrath | 25 Dec 2020, 15:12 |
| Bygrave Equations with a Calculator | Bob Goethe | 25 Dec 2020, 14:59 |
| Re: Different (?) vernier | Noell Wilson | 25 Dec 2020, 12:50 |
| Re: More sunlight in Greenland than in the Amazon | Sean C | 25 Dec 2020, 08:45 |
| Re: More sunlight in Greenland than in the Amazon | Frank Reed | 25 Dec 2020, 04:53 |
| Re: Latitude by two star altitudes using 19.century Bowditch | Frank Reed | 24 Dec 2020, 22:48 |
| Re: MK2A periscope sextant | David Pike | 24 Dec 2020, 21:50 |
| Re: Flight 19 lost, 75 years ago today | Gary LaPook | 24 Dec 2020, 18:55 |
| Re: Jupiter-Moon Lunar from a photo | Mehmet Guzey | 24 Dec 2020, 18:52 |
| Re: Flight 19 lost, 75 years ago today | John Matter | 24 Dec 2020, 18:01 |
| Online meetings, Office Hours, Christmas & New Years Day | Frank Reed | 24 Dec 2020, 17:43 |
| Re: Jupiter-Moon Lunar from a photo | Frank Reed | 24 Dec 2020, 15:46 |
| Re: More sunlight in Greenland than in the Amazon | Nick M | 24 Dec 2020, 14:21 |
| Re: Jupiter-Moon Lunar from a photo | Modris Fersters | 24 Dec 2020, 10:15 |
| Re: Sunderlands and marine sextants | David Pike | 24 Dec 2020, 09:39 |
| Re: More sunlight in Greenland than in the Amazon | Sean C | 24 Dec 2020, 06:35 |
| Re: MK2A periscope sextant | K McGrath | 23 Dec 2020, 23:35 |
| Re: Sunderlands and marine sextants | David Pike | 23 Dec 2020, 21:08 |
| Re: MK2A periscope sextant | David Pike | 23 Dec 2020, 20:55 |
| Re: Jupiter-Moon Lunar from a photo | Mehmet Guzey | 23 Dec 2020, 19:57 |
| Re: Jupiter-Moon Lunar from a photo | Frank Reed | 23 Dec 2020, 19:35 |
| Re: Jupiter-Moon Lunar from a photo | Mehmet Guzey | 23 Dec 2020, 19:10 |
| Re: Sunderlands and marine sextants | Maarten F | 23 Dec 2020, 18:43 |
| Re: MK2A periscope sextant | K McGrath | 23 Dec 2020, 18:33 |
| Re: More sunlight in Greenland than in the Amazon | David Pike | 23 Dec 2020, 16:55 |
| Re: The Great Conjunction | Frank Reed | 23 Dec 2020, 15:31 |
| More sunlight in Greenland than in the Amazon | Frank Reed | 23 Dec 2020, 15:05 |
| Re: MK2A periscope sextant | David Pike | 23 Dec 2020, 12:29 |
| Re: MK2A periscope sextant | David Pike | 23 Dec 2020, 11:16 |
| Re: MK2A periscope sextant | Gary LaPook | 23 Dec 2020, 03:49 |
| Re: The Great Conjunction | Peter Hakel | 23 Dec 2020, 00:32 |
| Re: The Great Conjunction | Murray Buckman | 22 Dec 2020, 23:51 |
| MK2A periscope sextant | K McGrath | 22 Dec 2020, 22:27 |
| Re: The Great Conjunction | Michael Cain | 22 Dec 2020, 20:05 |
| Re: Different (?) vernier | Marty Lyons | 22 Dec 2020, 17:07 |
| Re: Different (?) vernier | Marty Lyons | 22 Dec 2020, 17:01 |
| Fwd: Christmas Star | Rommel John Miller | 21 Dec 2020, 23:54 |
| Re: The Great Conjunction | Greg Rudzinski | 21 Dec 2020, 23:52 |
| Re: Zenith distance and Ho question. | Robert Goldberg | 21 Dec 2020, 21:32 |
| The Great Conjunction | David C | 21 Dec 2020, 21:21 |
| Re: Jupiter-Moon Lunar from a photo | Greg Rudzinski | 21 Dec 2020, 04:30 |
| Re: Jupiter-Moon Lunar from a photo | Frank Reed | 20 Dec 2020, 21:46 |
| Re: Jupiter-Moon Lunar from a photo | Modris Fersters | 20 Dec 2020, 21:01 |
| Re: Saturn and Jupiter: one degree separation | Frank Reed | 20 Dec 2020, 18:35 |
| Re: Different (?) vernier | David Pike | 20 Dec 2020, 17:58 |
| Re: Zenith distance and Ho question. | David Pike | 20 Dec 2020, 17:43 |
| Re: Jupiter-Moon Lunar from a photo | Modris Fersters | 20 Dec 2020, 17:14 |
| Re: Different (?) vernier | Noell Wilson | 20 Dec 2020, 13:10 |
| Re: Zenith distance and Ho question. | Frank Reed | 20 Dec 2020, 06:17 |
| Re: Zenith distance and Ho question. | John Clements | 20 Dec 2020, 03:58 |
| Re: Zenith distance and Ho question. | Robert Goldberg | 20 Dec 2020, 00:56 |
| Re: Zenith distance and Ho question. | Frank Reed | 19 Dec 2020, 23:52 |
| Re: Zenith distance and Ho question. | Robert Goldberg | 19 Dec 2020, 21:43 |
| Re: Jupiter-Moon Lunar from a photo | Greg Rudzinski | 19 Dec 2020, 19:21 |
| Re: Zenith distance and Ho question. | Frank Reed | 19 Dec 2020, 18:23 |
| Re: Jupiter-Moon Lunar from a photo | Greg Rudzinski | 19 Dec 2020, 15:08 |
| Zenith distance and Ho question. | Robert Goldberg | 19 Dec 2020, 14:00 |
| Re: Jupiter-Moon Lunar from a photo | Frank Reed | 19 Dec 2020, 04:28 |
| Jupiter-Moon Lunar from a photo | Frank Reed | 19 Dec 2020, 04:13 |
| GPS outages | Gary LaPook | 18 Dec 2020, 23:47 |
| Re: Different (?) vernier | David Pike | 18 Dec 2020, 19:37 |
| Re: Different (?) vernier | David Pike | 18 Dec 2020, 18:16 |
| Fwd: Why GPS Doesn't Work | Tom Sult | 18 Dec 2020, 15:06 |
| Different (?) vernier | Noell Wilson | 18 Dec 2020, 13:02 |
| Re: V correction and the sun | David Iwancio | 18 Dec 2020, 03:53 |
| Re: 2021 Air Almanac pdf | David Pike | 17 Dec 2020, 21:43 |
| Re: 2021 Air Almanac pdf | Herman Dekker | 17 Dec 2020, 21:14 |
| 2021 Air Almanac pdf | Frank Reed | 17 Dec 2020, 20:21 |
| Re: V correction and the sun | Bob Goethe | 16 Dec 2020, 06:18 |
| Re: V correction and the sun | Nick M | 16 Dec 2020, 00:38 |
| V correction and the sun | Bob Goethe | 15 Dec 2020, 23:14 |
| Re: Today's online discussion | Gary LaPook | 14 Dec 2020, 21:50 |
| Re: Today's online discussion | Gary LaPook | 14 Dec 2020, 21:46 |
| Re: Smith's Mk2T (twilight) Periscopic Sextant | Gary LaPook | 14 Dec 2020, 20:57 |
| Smith's Mk2T (twilight) Periscopic Sextant | David Pike | 14 Dec 2020, 17:12 |
| Today's online discussion | Gary LaPook | 14 Dec 2020, 06:37 |
| Latitude by two star altitudes using 19.century Bowditch | Modris Fersters | 14 Dec 2020, 02:48 |
| Re: Saturn and Jupiter: one degree separation | Greg Rudzinski | 14 Dec 2020, 00:37 |
| More RIN Free Webinars | David Pike | 14 Dec 2020, 00:25 |
| Navigation Spreadsheets in 2021 | Peter Hakel | 13 Dec 2020, 19:44 |
| Re: Sextant Repairs | Patrick Pont | 13 Dec 2020, 13:05 |
| Latitude by Regor : 1.5 degrees meridian altitude | Frank Reed | 13 Dec 2020, 03:15 |
| Re: New Scientist: GPS mystery is making ships appear to teleport and move in circles | Paul Saffo | 13 Dec 2020, 03:14 |
| Re: Online "Office Hours", Sunday 6m EST / 3pm PST (2300 UT) | Frank Reed | 13 Dec 2020, 02:27 |
| Re: New Scientist: GPS mystery is making ships appear to teleport and move in circles | Doug Faunt | 13 Dec 2020, 01:29 |
| Re: New Scientist: GPS mystery is making ships appear to teleport and move in circles | Frank Reed | 13 Dec 2020, 00:01 |
| Re: Saturn and Jupiter: one degree separation | Greg Rudzinski | 12 Dec 2020, 23:49 |
| New Scientist: GPS mystery is making ships appear to teleport and move in circles | Paul Saffo | 12 Dec 2020, 22:48 |
| Re: Saturn and Jupiter: one degree separation | David C | 12 Dec 2020, 21:53 |
| Re: Davis sextant plastic | David Pike | 12 Dec 2020, 20:33 |
| Re: Davis sextant plastic | Greg Rudzinski | 12 Dec 2020, 17:42 |
| Re: Davis sextant plastic | Bill Lionheart | 12 Dec 2020, 14:39 |
| Re: Davis sextant plastic | Bill Lionheart | 12 Dec 2020, 14:37 |
| Re: Beta Cap -- the tenth lunars star | David C | 12 Dec 2020, 05:13 |
| Re: Saturn and Jupiter: one degree separation | Frank Reed | 12 Dec 2020, 02:52 |
| Re: Saturn and Jupiter: one degree separation | Paul Saffo | 12 Dec 2020, 01:55 |
| Re: Davis sextant plastic | Ken Gebhart | 11 Dec 2020, 19:24 |
| Re: Davis sextant plastic | Greg Rudzinski | 11 Dec 2020, 19:09 |
| Davis sextant plastic | Philippe Posth | 11 Dec 2020, 18:16 |
| Saturn and Jupiter: one degree separation | Frank Reed | 10 Dec 2020, 23:13 |
| 200mm Lens Calibration Using Doubler | Greg Rudzinski | 9 Dec 2020, 22:37 |
| Re: Sextant with Ivory Scale, Serial No 577 by G. A. Berry & Son, Hartlepool, | David Pike | 9 Dec 2020, 13:01 |
| Re: Polar distance of Polaris | Gary LaPook | 9 Dec 2020, 08:47 |
| Re: Polar distance of Polaris | Herman Dekker | 8 Dec 2020, 02:41 |
| Re: Polar distance of Polaris | Gary LaPook | 8 Dec 2020, 01:18 |
| Polar distance of Polaris | Bob Goethe | 7 Dec 2020, 23:14 |
| Re: Sextant with Ivory Scale, Serial No 577 by G. A. Berry & Son, Hartlepool, | Bill Morris | 7 Dec 2020, 21:30 |
| Re: Big Dipper and calculator history | Paul Saffo | 7 Dec 2020, 20:05 |
| Re: Poor Becrux | Al Stewart | 7 Dec 2020, 16:25 |
| Re: Butterfly Bris Prototype | Greg Rudzinski | 7 Dec 2020, 13:35 |
| Re: Poor Becrux | David Pike | 7 Dec 2020, 12:15 |
| Sextant with Ivory Scale, Serial No 577 by G. A. Berry & Son, Hartlepool, | David Pike | 7 Dec 2020, 09:41 |
| Re: Polaris Lunars | David Iwancio | 7 Dec 2020, 08:52 |
| Re: Poor Becrux | David C | 7 Dec 2020, 07:53 |
| Poor Becrux | Frank Reed | 7 Dec 2020, 04:52 |
| Re: Latitude by Alnair : two degrees meridian altitude | Frank Reed | 7 Dec 2020, 03:56 |
| Re: Butterfly Bris Prototype | Patrick Pont | 6 Dec 2020, 22:06 |
| Re: C. 1900 mercury AH | David Pike | 6 Dec 2020, 21:41 |
| Online "Office Hours", 3pm Pacific Time (2300 UT) | Frank Reed | 6 Dec 2020, 20:02 |
| Re: C. 1900 mercury AH | Frank Reed | 6 Dec 2020, 20:00 |
| Re: Latitude by Alnair : two degrees meridian altitude | Mike Burkes | 6 Dec 2020, 19:08 |
| Re: Big Dipper and calculator history | Greg Rudzinski | 6 Dec 2020, 13:15 |
| Re: C. 1900 mercury AH | Noell Wilson | 6 Dec 2020, 12:39 |
| Re: Big Dipper and calculator history | Paul Saffo | 6 Dec 2020, 11:28 |
| Re: Big Dipper and calculator history | Paul Saffo | 6 Dec 2020, 04:47 |
| Big Dipper and calculator history | Paul Saffo | 6 Dec 2020, 02:42 |
| Re: C. 1900 mercury AH | David Pike | 5 Dec 2020, 21:29 |
| Re: C. 1900 mercury AH | David Pike | 5 Dec 2020, 21:13 |
| Flight 19 lost, 75 years ago today | Frank Reed | 5 Dec 2020, 18:43 |
| Navigation stars over Australia this morning | Frank Reed | 5 Dec 2020, 18:14 |
| C. 1900 mercury AH | Noell Wilson | 5 Dec 2020, 14:28 |
| Re: Polaris Lunars | Frank Reed | 5 Dec 2020, 04:21 |
| Re: Polaris Lunars | David Iwancio | 5 Dec 2020, 03:41 |
| Re: Low Altitude Sun Artificial Horizon Exercise | Bill Ritchie | 4 Dec 2020, 23:21 |
| Re: Upcoming Royal Institute of Navigation Free Webinars | David Pike | 4 Dec 2020, 19:07 |
| Office Hours, online video meeting today (45 minutes from now) | Frank Reed | 4 Dec 2020, 16:17 |
| Polaris Lunars | Frank Reed | 4 Dec 2020, 16:11 |
| Re: British Air Navigation | David Pike | 4 Dec 2020, 10:44 |
| Re: 1st type Hand held Bagnold Sun Compass | David Pike | 3 Dec 2020, 22:20 |
| Re: Low Altitude Sun Artificial Horizon Exercise | Richard MacCormac | 3 Dec 2020, 21:01 |
| Re: Money from celestial apps | Frank Reed | 3 Dec 2020, 20:59 |
| Money from celestial apps | Frank Reed | 3 Dec 2020, 20:28 |
| Re: Low Altitude Sun Artificial Horizon Exercise | Greg Rudzinski | 3 Dec 2020, 19:11 |
| Re: Low Altitude Sun Artificial Horizon Exercise | Greg Rudzinski | 3 Dec 2020, 19:02 |
| Re: Incomplete Instrument-- WWII German Soldsextant | Werner Luehmann | 3 Dec 2020, 18:38 |
| Re: Arecibo - Gone | Robin Stuart | 3 Dec 2020, 13:34 |
| Re: Low Altitude Sun Artificial Horizon Exercise | Richard MacCormac | 3 Dec 2020, 11:59 |
| Re: 1st type Hand held Bagnold Sun Compass | David Harrison | 2 Dec 2020, 12:34 |
| Re: Latitude by Alnair : two degrees meridian altitude | Frank Reed | 2 Dec 2020, 04:02 |
| Re: Latitude by Alnair : two degrees meridian altitude | John Clements | 2 Dec 2020, 03:49 |
| Re: Latitude by Alnair : two degrees meridian altitude | Frank Reed | 2 Dec 2020, 03:44 |
| Re: Latitude by Alnair : two degrees meridian altitude | Peter Hakel | 1 Dec 2020, 23:52 |
| Re: Arecibo - Gone | Alexandre Eremenko | 1 Dec 2020, 20:23 |
| Re: Latitude by Alnair : two degrees meridian altitude | David C | 1 Dec 2020, 20:21 |
| Re: Arecibo - Gone | James F. Campbell | 1 Dec 2020, 19:24 |
| Re: Latitude by Alnair : two degrees meridian altitude | Frank Reed | 1 Dec 2020, 18:30 |
| Re: Small craft RDF in 1967 | Doug Faunt | 1 Dec 2020, 18:25 |
| Arecibo - Gone | Frank Reed | 1 Dec 2020, 18:25 |
| Re: Latitude by Alnair : two degrees meridian altitude | D Maracle | 1 Dec 2020, 16:58 |
| Re: Small craft RDF in 1967 | Bill Lionheart | 1 Dec 2020, 16:41 |
| Re: Small craft RDF in 1967 | Bruce Cutting | 1 Dec 2020, 16:36 |
| Re: Latitude by Alnair : two degrees meridian altitude | George Kaplan | 1 Dec 2020, 14:39 |
| Re: Small craft RDF in 1967 | Francis Upchurch | 1 Dec 2020, 13:29 |
| Re: Incomplete Instrument-- WWII German Soldsextant | Wolfgang Hasper | 1 Dec 2020, 12:38 |
| Re: Latitude by Alnair : two degrees meridian altitude | Frank Reed | 1 Dec 2020, 02:44 |
| Re: Latitude by Alnair : two degrees meridian altitude | Bob Goethe | 1 Dec 2020, 02:35 |
| Re: Low Altitude Sun Artificial Horizon Exercise | Greg Rudzinski | 1 Dec 2020, 00:50 |
| Re: F tables - "F-Tafel" | Jerry Mason | 1 Dec 2020, 00:36 |
Index includes 236 messages.
