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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

April, 2017

Index includes 198 messages. Sorted by date, recent messages last.

                    
Analysis of Meridian Transit SightsDavid Fleming1 Apr 2017, 03:21
Re: LopMike Freeman1 Apr 2017, 07:07
Re: LopHerman Dekker1 Apr 2017, 13:46
Re: LopGary LaPook1 Apr 2017, 17:05
Re: LopStan K2 Apr 2017, 00:59
Re: LopDavid Pike2 Apr 2017, 11:54
USNO Oceanography Portal downEd Popko2 Apr 2017, 12:35
Re: LopDavid Pike2 Apr 2017, 16:33
Re: USNO Oceanography Portal downSean C2 Apr 2017, 17:24
Re: LopDavid Pike2 Apr 2017, 20:12
Celestial nav course for professional marinersPaul Hirose2 Apr 2017, 23:35
Re: Celestial nav course for professional marinersBrad Morris3 Apr 2017, 01:47
Accuracy of consumer-grade GPS/GLONASS nav.equipment?Tony Oz3 Apr 2017, 10:33
Re: USNO Oceanography Portal downSean C3 Apr 2017, 12:00
Re: Celestial nav course for professional marinersBrad Morris3 Apr 2017, 13:31
Re: Celestial nav course for professional marinersFrank Reed3 Apr 2017, 14:14
Dangerously radioactive navigation instrumentsNeth X3 Apr 2017, 14:22
Tick tock: The importance of knowing the right time [BBC World Service]Richard B. Langley3 Apr 2017, 16:18
Re: Dangerously radioactive navigation instrumentsGreg Rudzinski3 Apr 2017, 17:29
Re: Celestial nav course for professional marinersManuel Cruz3 Apr 2017, 17:44
Tinyac on LinuxBruce Mayo3 Apr 2017, 18:16
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?Lu Abel3 Apr 2017, 18:42
Re: The Wild T4 TheodoliteBruce Mayo3 Apr 2017, 20:22
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?Brad Morris3 Apr 2017, 20:31
Re: Celestial nav course for professional marinersHenry Halboth3 Apr 2017, 21:06
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?Gary LaPook3 Apr 2017, 21:18
Re: Tinyac on LinuxPeter Monta3 Apr 2017, 22:08
Kollsman Sextant Mount - SportsModelDavid Pike3 Apr 2017, 22:17
Re: Tinyac on LinuxSean C3 Apr 2017, 23:36
Re: Kollsman Sextant Mount - SportsModelGary LaPook4 Apr 2017, 00:55
Re: Kollsman Sextant Mount - SportsModelDavid Pike4 Apr 2017, 09:02
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?Tony Oz4 Apr 2017, 09:39
Re: Kollsman Sextant Mount - SportsModelJohn D. Howard4 Apr 2017, 14:46
Re: Kollsman Sextant Mount - SportsModelJohn D. Howard4 Apr 2017, 15:02
Re: Celestial nav course for professional marinersBrad Morris4 Apr 2017, 16:04
Re: Kollsman Sextant Mount - SportsModelDavid Pike4 Apr 2017, 16:31
Re: Kollsman Sextant Mount - SportsModelGary LaPook4 Apr 2017, 17:26
Re: Kollsman Sextant Mount - SportsModelGary LaPook4 Apr 2017, 17:30
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?Bill Lionheart4 Apr 2017, 19:38
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?Sean C5 Apr 2017, 01:44
Take two: Latitude and longitude around noonBrad Morris5 Apr 2017, 01:59
Re: Take two: Latitude and longitude around noonGreg Rudzinski5 Apr 2017, 03:55
Re: Tinyac on LinuxPaul Hirose5 Apr 2017, 04:45
Re: Tinyac on LinuxPaul Hirose5 Apr 2017, 05:03
Re: Take two: Latitude and longitude around noonDavid Fleming5 Apr 2017, 07:53
Re: Take two: Latitude and longitude around noonDavid Fleming5 Apr 2017, 08:20
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?Bill Lionheart5 Apr 2017, 14:20
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?John D. Howard5 Apr 2017, 15:39
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?Tony Oz5 Apr 2017, 16:00
5/5 Talk in NYC on GPS: American Invention, Global ImpactRichard Easton5 Apr 2017, 16:03
Status Report on Navigator's Slide RuleBob Goethe5 Apr 2017, 16:21
Re: Take two: Latitude and longitude around noonHerman Dekker5 Apr 2017, 16:40
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?Lu Abel5 Apr 2017, 16:57
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?Lu Abel5 Apr 2017, 17:01
Re: Take two: Latitude and longitude around noonPeter Hakel5 Apr 2017, 17:53
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?Garret Cost5 Apr 2017, 18:30
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?David Pike5 Apr 2017, 20:47
Re: Status Report on Navigator's Slide RuleBrad Morris5 Apr 2017, 21:54
Re: Status Report on Navigator's Slide RuleBob Goethe5 Apr 2017, 22:21
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?John D. Howard6 Apr 2017, 00:15
Sun Moon LOPs Santa Barbara ChannelGreg Rudzinski6 Apr 2017, 02:01
Re: Sun Moon LOPs Santa Barbara ChannelAndrés Ruiz6 Apr 2017, 07:10
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?David Pike6 Apr 2017, 07:33
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?Bill Lionheart6 Apr 2017, 09:25
Re: Accuracy of consumer-grade GPS/GLONASS nav.equipment?Lu Abel6 Apr 2017, 16:47
Re: Sun Moon LOPs Santa Barbara ChannelGreg Rudzinski6 Apr 2017, 17:20
Re: Take two: Latitude and longitude around noonFrank Reed6 Apr 2017, 17:47
Location without DRMarco A. Costa6 Apr 2017, 19:16
Re: Take two: Latitude and longitude around noonRobin Stuart6 Apr 2017, 19:48
Re: Take two: Latitude and longitude around noonFrank Reed6 Apr 2017, 20:19
Re: Take two: Latitude and longitude around noonBrad Morris6 Apr 2017, 23:01
Re: Take two: Latitude and longitude around noonPeter Hakel6 Apr 2017, 23:10
Re: Sun Moon LOPs Santa Barbara ChannelAndrés Ruiz7 Apr 2017, 08:53
Re: Location without DRAndrés Ruiz7 Apr 2017, 09:30
Re: Sun Moon LOPs Santa Barbara ChannelGreg Rudzinski7 Apr 2017, 18:12
Admiralty Manual of Navigation Vol IIIMichael Bradley7 Apr 2017, 20:06
Re: Admiralty Manual of Navigation Vol IIIFrank Reed7 Apr 2017, 21:05
Re: Admiralty Manual of Navigation Vol IIIDavid C7 Apr 2017, 21:06
Re: Admiralty Manual of Navigation Vol IIIMichael Bradley7 Apr 2017, 21:12
Re: Admiralty Manual of Navigation Vol IIIFrank Reed8 Apr 2017, 03:14
Re: Admiralty Manual of Navigation Vol IIIDavid C8 Apr 2017, 04:36
Re: Take two: Latitude and longitude around noonBrad Morris8 Apr 2017, 21:20
Re: Take two: Latitude and longitude around noonGreg Rudzinski9 Apr 2017, 02:07
Re: Take two: Latitude and longitude around noonFrank Reed9 Apr 2017, 02:09
Re: Take two: Latitude and longitude around noonDavid Fleming9 Apr 2017, 12:41
Re: Take two: Latitude and longitude around noonDavid Fleming9 Apr 2017, 14:26
Chronometer Wrist Watch for 2018 Golden Globe RaceGreg Rudzinski9 Apr 2017, 18:06
Re: Chronometer Wrist Watch for 2018 Golden Globe RaceFrancis Upchurch10 Apr 2017, 03:45
Re: Chronometer Wrist Watch for 2018 Golden Globe RaceGreg Rudzinski10 Apr 2017, 14:42
Re: Admiralty Manual of Navigation Vol IIITony Oz10 Apr 2017, 16:35
Index CorrectionRafal O.10 Apr 2017, 17:31
Rate Adjusting Mechanical Watches for CNGreg Rudzinski10 Apr 2017, 17:48
Backstaff experimentsLou deMartelly10 Apr 2017, 18:44
Re: Index CorrectionAlexandre Eremenko10 Apr 2017, 19:26
Re: Kollsman Sextant Mount - SportsModelDavid Pike10 Apr 2017, 21:25
Re: Admiralty Manual of Navigation Vol IIIAndrés Ruiz11 Apr 2017, 06:44
Re: Dangerously radioactive navigation instrumentsTony Oz11 Apr 2017, 11:33
Re: Location without DRMarco A. Costa11 Apr 2017, 11:44
Azimuth diagram bei Hanno IXBenjamin Bergmann11 Apr 2017, 11:50
Re: Azimuth diagram bei Hanno IXGreg Rudzinski11 Apr 2017, 16:56
Re: Azimuth diagram bei Hanno IXBenjamin Bergmann11 Apr 2017, 17:46
Re: Chronometer Wrist Watch for 2018 Golden Globe RaceGreg Rudzinski11 Apr 2017, 19:22
Re: Dangerously radioactive navigation instrumentsGary LaPook11 Apr 2017, 21:49
Re: Azimuth diagram bei Hanno IXMichael Bradley11 Apr 2017, 21:59
Re: Dangerously radioactive navigation instrumentsPaul Dolkas11 Apr 2017, 22:45
Re: Azimuth diagram bei Hanno IXBenjamin Bergmann12 Apr 2017, 00:29
Re: Azimuth diagram bei Hanno IXBenjamin Bergmann12 Apr 2017, 09:37
A general announcement about Frank Worsley and the TranscriptBrad Morris13 Apr 2017, 01:47
Az, Z, Zc and Zn - which one is what? How to use them properly?Tony Oz13 Apr 2017, 07:08
Re: A general announcement about Frank Worsley and the TranscriptDavid Pike13 Apr 2017, 10:03
Re: Az, Z, Zc and Zn - which one is what? How to use them properly?David Pike13 Apr 2017, 10:53
Re: A general announcement about Frank Worsley and the TranscriptAlberto Najar13 Apr 2017, 10:56
Re: Az, Z, Zc and Zn - which one is what? How to use them properly?John D. Howard13 Apr 2017, 15:43
Lunar distance this SundayFrank Reed14 Apr 2017, 16:25
Re: Lunar distance this SundayAlexandre Eremenko14 Apr 2017, 16:38
Re: Lunar distance this SundayFrank Reed14 Apr 2017, 17:00
Re: Lunar distance this SundayAlexandre Eremenko14 Apr 2017, 17:08
Re: Lunar distance this SundayAlexandre Eremenko14 Apr 2017, 17:16
Re: Lunar distance this SundayBrad Morris14 Apr 2017, 17:23
Re: Location without DRPeter Hakel14 Apr 2017, 18:39
Re: Lunar distance this SundayBrad Morris14 Apr 2017, 21:24
Re: Lunar distance this SundayFrank Reed14 Apr 2017, 22:00
Re: Lunar distance this SundayBrad Morris14 Apr 2017, 23:16
Calculator "watch"Andrew Nikitin16 Apr 2017, 15:25
Re: Lunar distance this SundayFrank Reed17 Apr 2017, 02:48
Re: Az, Z, Zc and Zn - which one is what? How to use them properly?Geoffrey Kolbe17 Apr 2017, 06:13
Kollsman periscopic bubble sextantChris Caswell17 Apr 2017, 22:26
Gunther Rules for NavigationEd Popko17 Apr 2017, 22:51
Fata Morgan images set me thinkingMark Coady18 Apr 2017, 01:35
Re: Gunther Rules for NavigationBrad Morris18 Apr 2017, 01:52
Re: Location without DRMarco A. Costa18 Apr 2017, 05:02
Re: Fata Morgan images set me thinkingTony Oz18 Apr 2017, 07:39
Re: Location without DRHerbert Prinz18 Apr 2017, 15:40
Re: Location without DRMarco A. Costa18 Apr 2017, 18:21
Re: Fata Morgan images set me thinkingAlan S19 Apr 2017, 02:12
Re: Sextant of the future?Alan S19 Apr 2017, 02:19
Re: Az, Z, Zc and Zn - which one is what? How to use them properly?David Pike19 Apr 2017, 06:49
Re: Gunther Rules for NavigationEd Popko19 Apr 2017, 12:10
Re: Fata Morgan images set me thinkingJim Hickey19 Apr 2017, 12:24
Watch keeping - modern and traditionalJackson McDonald19 Apr 2017, 21:43
Re: Gunther Rules for NavigationNoell Wilson20 Apr 2017, 02:55
Re: Fata Morgan images set me thinkingÖrjan Sandström20 Apr 2017, 15:27
Re: Fata Morgan images set me thinkingBrad Morris20 Apr 2017, 16:24
Re: Gunther Rules for NavigationBrad Morris20 Apr 2017, 16:45
Re: Fata Morgan images set me thinkingBob Goethe20 Apr 2017, 18:07
Re: Gunther Rules for NavigationEd Popko20 Apr 2017, 19:40
Re: Gunther Rules for NavigationJackson McDonald21 Apr 2017, 02:48
Re: Gunther Rules for NavigationTony Oz21 Apr 2017, 11:02
Re: Gunther Rules for NavigationEd Popko22 Apr 2017, 11:26
Re: Gunther Rules for NavigationFrank Reed22 Apr 2017, 15:39
Re: Gunther Rules for NavigationBrad Morris22 Apr 2017, 15:43
Swell & dipMike Freeman22 Apr 2017, 17:01
Re: Swell & dipFrank Reed22 Apr 2017, 18:52
Re: Fata Morgan images set me thinkingFrank Reed22 Apr 2017, 23:29
A tour of the Great Navigation Centers of the WorldDoug MacPherson23 Apr 2017, 02:49
Re: A tour of the Great Navigation Centers of the WorldSean C23 Apr 2017, 05:44
Waves & DipMike Freeman23 Apr 2017, 06:36
Re: A tour of the Great Navigation Centers of the WorldAlexandre Eremenko23 Apr 2017, 07:57
Re: Gunther Rules for NavigationEd Popko23 Apr 2017, 12:21
Re: Waves & DipBrad Morris23 Apr 2017, 17:12
Re: Waves & DipFrank Reed23 Apr 2017, 17:52
Re: A tour of the Great Navigation Centers of the WorldEd Popko23 Apr 2017, 19:30
Re: Waves & DipDavid Pike23 Apr 2017, 21:18
Re: Waves & DipMike Freeman24 Apr 2017, 06:02
Re: Waves & DipMike Freeman24 Apr 2017, 06:48
Re: Waves & DipBrad Morris24 Apr 2017, 11:56
Re: A tour of the Great Navigation Centers of the WorldRobin Stuart24 Apr 2017, 13:24
Re: A tour of the Great Navigation Centers of the WorldFrancis Upchurch24 Apr 2017, 18:43
No Clock Longitude with LunarsFrancis Upchurch24 Apr 2017, 19:09
John Wesley Powell ExpeditionDouglas Stephen24 Apr 2017, 19:41
Re: No Clock Longitude with LunarsJohn D. Howard24 Apr 2017, 22:11
Re: No Clock Longitude with LunarsTony Oz25 Apr 2017, 08:13
Re: John Wesley Powell ExpeditionGreg Rudzinski25 Apr 2017, 19:36
Re: John Wesley Powell ExpeditionDon Seltzer26 Apr 2017, 00:26
Re: No Clock Longitude with LunarsBob Crawley26 Apr 2017, 08:14
Isaac Newton's TelescopeBrad Morris27 Apr 2017, 00:14
Re: Isaac Newton's TelescopeBrad Morris27 Apr 2017, 14:06
Re: Isaac Newton's TelescopeFrank Reed27 Apr 2017, 14:39
Re: Isaac Newton's TelescopeBrad Morris27 Apr 2017, 15:12
Re: Isaac Newton's TelescopeEd Popko27 Apr 2017, 22:31
Lunar monthMike Freeman28 Apr 2017, 07:56
Real-time UT1-UTC difference.Tony Oz28 Apr 2017, 12:54
Re: Gunther Rules for NavigationGary LaPook28 Apr 2017, 13:12
Re: Lunar monthHerbert Prinz28 Apr 2017, 16:52
Tamaya NC-77 AlmanacGreg Rudzinski28 Apr 2017, 17:13
Re: Real-time UT1-UTC difference.Bill Ritchie28 Apr 2017, 20:59
Re: Lunar monthMike Freeman29 Apr 2017, 08:01
Re: Lunar monthFrank Reed29 Apr 2017, 14:39
1669 1ed Mathematical ManualJackson McDonald30 Apr 2017, 16:18
Re: 1669 1ed Mathematical ManualBrad Morris30 Apr 2017, 17:36
Re: 1669 1ed Mathematical ManualStan K30 Apr 2017, 17:37
Re: Tamaya NC-77 AlmanacGreg Rudzinski30 Apr 2017, 17:55
Re: 1669 1ed Mathematical ManualFrank Reed30 Apr 2017, 18:31
Re: 1669 1ed Mathematical ManualBrad Morris30 Apr 2017, 18:43
Re: 1669 1ed Mathematical ManualBrad Morris30 Apr 2017, 18:49
Re: 1669 1ed Mathematical ManualBill B30 Apr 2017, 18:55
Re: Bluewater cruising in small boatsTony Oz30 Apr 2017, 19:34
Re: Tamaya NC-77 AlmanacStan K30 Apr 2017, 20:46

Index includes 198 messages.

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