Welcome to the NavList Message Boards.

NavList:

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

2018

Index includes 2712 messages. Sorted by message ID, in descending order.

                    
Re: Lunars during a Lunar EclipseFrank Reed31 Dec 2018, 19:36
Re: Lunars during a Lunar EclipseFrank Reed31 Dec 2018, 18:24
Re: Weems Second Setting Navigation WatchTony Oz30 Dec 2018, 21:56
Re: Weems Second Setting Navigation WatchEd Popko30 Dec 2018, 19:01
Re: 2019 Commercial Nautical Almanac InsertFrank Reed30 Dec 2018, 16:29
Re: 2019 Commercial Nautical Almanac InsertD Maracle30 Dec 2018, 15:03
Re: 2019 Commercial Nautical Almanac InsertRobert Bernecky30 Dec 2018, 14:38
Re: Weems Second Setting Navigation WatchRob Fraser30 Dec 2018, 07:58
Re: Lunars during a Lunar EclipseGeoffrey Kolbe30 Dec 2018, 07:01
Re: 2019 Commercial Nautical Almanac InsertFrank Reed30 Dec 2018, 03:20
2019 Commercial Nautical Almanac InsertDoug MacPherson30 Dec 2018, 02:59
Re: Lunars during a Lunar EclipseEd Popko29 Dec 2018, 20:01
Re: Lunars during a Lunar EclipseBrad Morris29 Dec 2018, 18:09
Re: Lunars during a Lunar EclipseRobin Stuart29 Dec 2018, 17:12
Re: Lunars during a Lunar EclipseEd Popko29 Dec 2018, 11:21
Re: Unexpected USNO height correction preceptsMehmet Guzey29 Dec 2018, 09:12
Re: Floating-Point 4-place Nat-Haversine TableTony Oz29 Dec 2018, 07:51
Re: Floating-Point 4-place Nat-Haversine TableRoger W. Sinnott29 Dec 2018, 02:31
Re: Floating-Point 4-place Nat-Haversine TableTony Oz28 Dec 2018, 16:58
Re: Floating-Point 4-place Nat-Haversine TableTony Oz28 Dec 2018, 11:57
Re: Brown-Nassau CN Plotter or Spherical ComputerAlan S28 Dec 2018, 01:03
Re: Geogebra?Tony Oz27 Dec 2018, 23:23
Re: Floating-Point 4-place Nat-Haversine TableRoger W. Sinnott27 Dec 2018, 20:30
Re: Floating-Point 4-place Nat-Haversine TableRoger W. Sinnott27 Dec 2018, 20:23
Re: Unexpected USNO height correction preceptsFrank Reed27 Dec 2018, 20:23
Crossing Antarctica on FootBrad Morris27 Dec 2018, 19:28
Re: Unexpected USNO height correction preceptsFrank Reed27 Dec 2018, 18:51
Re: Geogebra?Tony Oz26 Dec 2018, 18:45
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandBrad Morris26 Dec 2018, 18:16
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandRobin Stuart26 Dec 2018, 12:59
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandBrad Morris25 Dec 2018, 19:52
Re: Geogebra?Bill Lionheart25 Dec 2018, 18:02
"Algebraisation" of the All-Haversine SR?Tony Oz25 Dec 2018, 17:46
Re: Unexpected USNO height correction preceptsMehmet Guzey25 Dec 2018, 16:29
Re: Geogebra?Tony Oz25 Dec 2018, 15:49
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandRobin Stuart25 Dec 2018, 15:48
Re: Unexpected USNO height correction preceptsPaul Hirose24 Dec 2018, 23:50
Re: Watch error, watch rate: some problems to solve?Brad Morris24 Dec 2018, 19:49
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski24 Dec 2018, 18:33
Re: Geogebra?Bob Goethe24 Dec 2018, 18:01
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandMike Critchley24 Dec 2018, 17:34
Re: Unexpected USNO height correction preceptsMehmet Guzey24 Dec 2018, 16:54
Re: Geogebra?Brad Morris24 Dec 2018, 15:36
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz24 Dec 2018, 15:35
Re: Brown-Nassau CN Plotter or Spherical ComputerFrancis Upchurch24 Dec 2018, 14:50
Re: Geogebra?Brad Morris24 Dec 2018, 14:42
Re: Watch error, watch rate: some problems to solve?Tony Oz24 Dec 2018, 14:32
Re: Floating-Point 4-place Nat-Haversine TableTony Oz24 Dec 2018, 14:26
Re: Unexpected USNO height correction preceptsPaul Hirose24 Dec 2018, 10:02
Re: Geogebra?Paul Hughes24 Dec 2018, 09:03
Re: Brown-Nassau CN Plotter or Spherical ComputerAlan S24 Dec 2018, 03:48
Re: Watch error, watch rate: some problems to solve?Robin Stuart23 Dec 2018, 20:33
Re: Watch error, watch rate: some problems to solve?Frank Reed23 Dec 2018, 19:00
Re: Watch error, watch rate: some problems to solve?Brad Morris23 Dec 2018, 17:26
Re: Brown-Nassau CN Plotter or Spherical ComputerRobert VanderPol II23 Dec 2018, 13:50
Re: Brown-Nassau CN Plotter or Spherical ComputerFrancis Upchurch23 Dec 2018, 11:16
Watch error, watch rate: some problems to solve?Tony Oz23 Dec 2018, 09:03
Re: Geogebra?Tony Oz23 Dec 2018, 08:55
Re: Degree CalculatorSean C23 Dec 2018, 07:22
Brown-Nassau CN Plotter or Spherical ComputerAlan S23 Dec 2018, 05:04
Re: Degree CalculatorAlan S23 Dec 2018, 04:34
Re: Degree CalculatorPaul Hirose22 Dec 2018, 19:34
Re: Floating-Point 4-place Nat-Haversine TableRoger W. Sinnott22 Dec 2018, 16:46
Re: Floating-Point 4-place Nat-Haversine TableFrank Reed22 Dec 2018, 15:26
Re: Degree CalculatorGreg Rudzinski22 Dec 2018, 13:27
Re: Unexpected USNO height correction preceptsMehmet Guzey22 Dec 2018, 08:30
Re: Degree CalculatorSean C22 Dec 2018, 04:41
Re: Geogebra?Robert Bernecky21 Dec 2018, 23:48
Re: Floating-Point 4-place Nat-Haversine TableRoger W. Sinnott21 Dec 2018, 23:46
Re: Geogebra?Brad Morris21 Dec 2018, 23:16
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandBrad Morris21 Dec 2018, 23:00
Re: Geogebra?Lars Bergman21 Dec 2018, 22:12
Re: Degree CalculatorAlan S21 Dec 2018, 22:58
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandBrad Morris21 Dec 2018, 22:05
Re: Unexpected USNO height correction preceptsPaul Hirose21 Dec 2018, 20:51
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandAndrés Ruiz21 Dec 2018, 20:26
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandRobin Stuart21 Dec 2018, 20:11
Re: Floating-Point 4-place Nat-Haversine TableTony Oz21 Dec 2018, 19:45
Geogebra?Tony Oz21 Dec 2018, 18:03
Re: Floating-Point 4-place Nat-Haversine TableRoger W. Sinnott21 Dec 2018, 17:53
Re: Degree CalculatorAlan S21 Dec 2018, 17:29
Re: Traditional navigation by slide ruleBob Goethe21 Dec 2018, 15:48
Re: Unexpected USNO height correction preceptsMehmet Guzey21 Dec 2018, 17:19
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandEd Popko21 Dec 2018, 14:48
Re: Spur of the moment long by chronBrian Walton21 Dec 2018, 12:38
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandAntoine Couëtte21 Dec 2018, 09:50
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandTony Oz21 Dec 2018, 08:45
Re: Degree CalculatorSean C21 Dec 2018, 05:25
Re: Traditional navigation by slide ruleAlan S21 Dec 2018, 05:01
Re: Degree CalculatorAlan S21 Dec 2018, 03:46
Re: Degree CalculatorAlan S21 Dec 2018, 03:36
Re: Unexpected USNO height correction preceptsPaul Hirose20 Dec 2018, 21:44
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandBrad Morris20 Dec 2018, 21:10
Navigation presentation, Princeton next monthFrank Reed20 Dec 2018, 20:25
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandBruce J. Pennino20 Dec 2018, 19:20
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandFrank Reed20 Dec 2018, 18:38
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandEd Popko20 Dec 2018, 15:26
Re: Spur of the moment long by chronDavid C20 Dec 2018, 07:20
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandRobin Stuart19 Dec 2018, 21:31
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandMarcel Tschudin19 Dec 2018, 20:12
Re: Published, Shackleton and Worsley, Journey to South Georgia IslandFrank Reed19 Dec 2018, 16:37
Re: Latitude from duration of dayLars Bergman19 Dec 2018, 15:30
Published, Shackleton and Worsley, Journey to South Georgia IslandBrad Morris19 Dec 2018, 15:24
Re: Spur of the moment long by chronDavid C19 Dec 2018, 06:50
Re: Spur of the moment long by chronDavid C19 Dec 2018, 02:04
Re: Latitude from duration of dayTony Oz18 Dec 2018, 21:31
Re: Latitude from duration of dayTony Oz18 Dec 2018, 21:09
Re: Unexpected USNO height correction preceptsMehmet Guzey18 Dec 2018, 20:03
Re: Latitude from duration of dayLars Bergman18 Dec 2018, 16:44
Re: Latitude from duration of dayFrank Reed18 Dec 2018, 18:02
Re: Latitude from duration of dayTony Oz18 Dec 2018, 15:35
Re: Spur of the moment long by chronBrian Walton18 Dec 2018, 12:45
Re: Spur of the moment long by chronDavid C17 Dec 2018, 23:54
Re: Spur of the moment long by chronDavid C17 Dec 2018, 23:47
Re: Latitude from duration of dayGreg Rudzinski17 Dec 2018, 22:15
Latitude from duration of dayTony Oz17 Dec 2018, 19:44
Re: Spur of the moment long by chronFrank Reed17 Dec 2018, 18:36
Re: Spur of the moment long by chronFrank Reed17 Dec 2018, 18:11
Re: Spur of the moment long by chronFrank Reed17 Dec 2018, 17:59
Re: Spur of the moment long by chronLars Bergman17 Dec 2018, 16:47
Re: Spur of the moment long by chronRobin Stuart17 Dec 2018, 15:42
Re: Spur of the moment long by chronTony Oz17 Dec 2018, 09:18
Re: Emergency navigation: a Cruiserfix tool.Tony Oz17 Dec 2018, 09:08
Re: Spur of the moment long by chronFrank Reed17 Dec 2018, 06:19
Re: An Anti Spoof Pro QuestionFrank Reed17 Dec 2018, 03:43
Re: Emergency navigation: a Cruiserfix tool.John Baum17 Dec 2018, 03:20
Re: Spur of the moment long by chronGreg Rudzinski16 Dec 2018, 21:00
Re: Spur of the moment long by chronDavid C16 Dec 2018, 20:24
Re: Spur of the moment long by chronDavid C16 Dec 2018, 20:14
Re: The Improved Suns Table4 from HO249Tony Oz16 Dec 2018, 18:28
Re: Spur of the moment long by chronRobin Stuart16 Dec 2018, 12:53
Re: Spur of the moment long by chronGreg Rudzinski16 Dec 2018, 12:34
Re: Spur of the moment long by chronEd Popko16 Dec 2018, 11:31
Re: Spur of the moment long by chronLars Bergman16 Dec 2018, 11:07
Re: Spur of the moment long by chronBrad Morris16 Dec 2018, 09:49
Re: Spur of the moment long by chronTony Oz16 Dec 2018, 08:05
Re: Spur of the moment long by chronDavid C16 Dec 2018, 04:10
Spur of the moment long by chronDavid C16 Dec 2018, 02:12
An Anti Spoof Pro QuestionDavid Pike15 Dec 2018, 23:00
Re: Floating-Point 4-place Nat-Haversine TableTony Oz14 Dec 2018, 14:17
Re: Floating-Point 4-place Nat-Haversine TableTony Oz13 Dec 2018, 19:58
Re: Floating-Point 4-place Nat-Haversine TableSean C13 Dec 2018, 19:36
Re: Floating-Point 4-place Nat-Haversine TableEd Popko13 Dec 2018, 11:06
Re: Floating-Point 4-place Nat-Haversine TableTony Oz13 Dec 2018, 09:01
Modern Celestial, Boston, FebruaryFrank Reed13 Dec 2018, 03:46
Re: Sextant aboard the ISSBrad Morris12 Dec 2018, 21:31
Re: Floating-Point 4-place Nat-Haversine TableTony Oz12 Dec 2018, 20:07
Re: Sextant aboard the ISSPaul Dolkas12 Dec 2018, 05:29
Re: Floating-Point 4-place Nat-Haversine TableGreg Rudzinski11 Dec 2018, 17:08
Re: Floating-Point 4-place Nat-Haversine TableTony Oz11 Dec 2018, 13:04
Lunars during a Lunar EclipseEd Popko11 Dec 2018, 12:00
Re: Sextant aboard the ISSBrad Morris11 Dec 2018, 03:43
Sextant aboard the ISSFrank Reed11 Dec 2018, 01:48
Position fix by visual satellite observationFrank Reed11 Dec 2018, 00:34
Re: Floating-Point 4-place Nat-Haversine TableGreg Rudzinski10 Dec 2018, 23:04
Re: Floating-Point 4-place Nat-Haversine TableTony Oz10 Dec 2018, 19:52
Re: Floating-Point 4-place Nat-Haversine TableTony Oz10 Dec 2018, 16:51
Floating-Point 4-place Nat-Haversine TableTony Oz10 Dec 2018, 15:26
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski10 Dec 2018, 12:31
Re: Yet another 4-place Nat-Haversine Table project?Bill Lionheart9 Dec 2018, 21:02
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz9 Dec 2018, 19:50
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski9 Dec 2018, 16:49
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz9 Dec 2018, 09:58
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz9 Dec 2018, 07:27
Re: Yet another 4-place Nat-Haversine Table project?Brad Morris8 Dec 2018, 22:07
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz8 Dec 2018, 07:30
Re: The Mark I at Harvard First Programmable Computer in the United States aka "Bessie"max mulhern7 Dec 2018, 23:07
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec 2018, 21:36
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec 2018, 21:33
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec 2018, 21:24
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec 2018, 21:21
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski7 Dec 2018, 21:05
Re: Yet another 4-place Nat-Haversine Table project?Frank Reed7 Dec 2018, 19:41
Re: Yet another 4-place Nat-Haversine Table project?David Fleming7 Dec 2018, 18:43
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski7 Dec 2018, 17:18
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec 2018, 16:37
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec 2018, 16:12
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski7 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 Oz7 Dec 2018, 15:41
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz7 Dec 2018, 14:49
Re: The Mark I at Harvard First Programmable Computer in the United States aka "Bessie"Ed Popko7 Dec 2018, 12:10
Re: Longterm Sun's GHA and Dec: what's under the hood?Greg Rudzinski7 Dec 2018, 12:08
Re: Longterm Sun's GHA and Dec: what's under the hood?Tony Oz7 Dec 2018, 08:43
The Improved Suns Table4 from HO249Herman Dekker7 Dec 2018, 07:31
Re: Longterm Sun's GHA and Dec: what's under the hood?Geoffrey Kolbe7 Dec 2018, 07:16
The Mark I at Harvard First Programmable Computer in the United States aka "Bessie"max mulhern7 Dec 2018, 04:35
Re: Longterm Sun's GHA and Dec: what's under the hood?Robert VanderPol II7 Dec 2018, 02:44
Re: Longterm Sun's GHA and Dec: what's under the hood?Greg Rudzinski6 Dec 2018, 21:30
Longterm Sun's GHA and Dec: what's under the hood?Tony Oz6 Dec 2018, 19:59
Advanced Celestial Navigation SystemsRichard B. Langley6 Dec 2018, 15:26
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski5 Dec 2018, 15:19
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz5 Dec 2018, 14:39
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz5 Dec 2018, 14:26
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski5 Dec 2018, 12:47
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz5 Dec 2018, 07:55
Re: Yet another 4-place Nat-Haversine Table project?Herman Dekker5 Dec 2018, 03:23
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski4 Dec 2018, 23:29
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski4 Dec 2018, 21:05
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz4 Dec 2018, 19:38
Re: Celestial Navigation on the surface of MarsFrank Reed4 Dec 2018, 17:59
Re: Yet another 4-place Nat-Haversine Table project?Greg Rudzinski4 Dec 2018, 17:28
CelNav for the TI-83Andrés Ruiz4 Dec 2018, 15:25
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz4 Dec 2018, 14:39
Re: Yet another 4-place Nat-Haversine Table project?Tony Oz4 Dec 2018, 10:47
Re: Jargon, terminology , words' meanings, etc.David C4 Dec 2018, 03:50
Re: Jargon, terminology , words' meanings, etc.David C4 Dec 2018, 03:09
Re: Jargon, terminology , words' meanings, etc.Bill Lionheart3 Dec 2018, 21:43
Re: Yet another 4-place Nat-Haversine Table project?Roger W. Sinnott3 Dec 2018, 21:38
Re: Jargon, terminology , words' meanings, etc.Frank Reed3 Dec 2018, 20:37
Re: Jargon, terminology , words' meanings, etc.Jackson McDonald3 Dec 2018, 20:25
Re: Jargon, terminology , words' meanings, etc.Tony Oz3 Dec 2018, 19:45
Yet another 4-place Nat-Haversine Table project?Tony Oz3 Dec 2018, 18:04
Re: Long Term Almanac for navigational starsFrank Reed3 Dec 2018, 17:28
Re: Long Term Almanac for navigational starsRafal O.3 Dec 2018, 09:39
Re: Navigation jokesRobert VanderPol II3 Dec 2018, 06:14
Re: Degree CalculatorPaul Hirose3 Dec 2018, 06:10
Re: Jargon, terminology , words' meanings, etc.David C3 Dec 2018, 04:12
Re: Long Term Almanac for navigational starsRafal O.2 Dec 2018, 20:45
Re: Jargon, terminology , words' meanings, etc.Bill Lionheart2 Dec 2018, 20:25
Re: Degree CalculatorTony Oz2 Dec 2018, 19:18
Re: Jargon, terminology , words' meanings, etc.Gary LaPook2 Dec 2018, 18:30
Re: Jargon, terminology , words' meanings, etc.Frank Reed2 Dec 2018, 16:59
Re: Degree CalculatorHerman Dekker2 Dec 2018, 10:05
Re: Longitude, the Bounty, and William BlighGeoffrey Kolbe2 Dec 2018, 09:29
Re: Longitude, the Bounty, and William BlighGeoffrey Kolbe2 Dec 2018, 08:55
Re: Longitude, the Bounty, and William BlighDavid C2 Dec 2018, 03:29
Re: Longitude, the Bounty, and William BlighDon Seltzer2 Dec 2018, 01:02
Re: Longitude, the Bounty, and William BlighBrad Morris1 Dec 2018, 22:29
Re: Degree CalculatorFrank Reed1 Dec 2018, 22:46
Re: Degree CalculatorBob Goethe1 Dec 2018, 21:37
Re: Longitude, the Bounty, and William BlighCharles McElhill1 Dec 2018, 21:27
Re: Celestial Navigation on the surface of MarsFrank Reed1 Dec 2018, 20:51
Re: Celestial Navigation on the surface of MarsGreg Rudzinski1 Dec 2018, 13:45
Re: Celestial Navigation on the surface of MarsGreg Rudzinski1 Dec 2018, 12:46
Re: Jargon, terminology , words' meanings, etc.Bill Lionheart1 Dec 2018, 10:49
Re: Jargon, terminology , words' meanings, etc.Paul Dolkas1 Dec 2018, 05:51
Re: Celestial Navigation on the surface of MarsSean C1 Dec 2018, 05:02
Re: Jargon, terminology , words' meanings, etc.Frank Reed1 Dec 2018, 03:43
Re: Jargon, terminology , words' meanings, etc.Brad Morris1 Dec 2018, 02:08
Re: Jargon, terminology , words' meanings, etc.Frank Reed1 Dec 2018, 02:05
Re: Celestial Navigation on the surface of MarsFrank Reed30 Nov 2018, 20:54
Re: Longitude, the Bounty, and William BlighDon Seltzer30 Nov 2018, 19:56
Re: Celestial Navigation on the surface of MarsGreg Rudzinski30 Nov 2018, 19:01
Re: Celestial Navigation on the surface of MarsFrank Reed30 Nov 2018, 16:39
Re: Celestial Navigation on the surface of MarsGreg Rudzinski30 Nov 2018, 11:34
Jargon, terminology , words' meanings, etc.Tony Oz30 Nov 2018, 08:19
Re: Longitude, the Bounty, and William BlighGeoffrey Kolbe30 Nov 2018, 07:34
Re: Celestial Navigation on the surface of MarsJohn D. Howard30 Nov 2018, 05:31
Re: Celestial Navigation on the surface of MarsFrank Reed30 Nov 2018, 03:20
Re: Using "hack" as a verbFrank Reed30 Nov 2018, 03:01
Re: Celestial Navigation on the surface of MarsGreg Rudzinski30 Nov 2018, 02:42
Re: Using "hack" as a verbRoger W. Sinnott29 Nov 2018, 21:45
Re: Marion-Bermuda Race 2019Bill B29 Nov 2018, 21:26
Longitude, the Bounty, and William BlighCharles McElhill29 Nov 2018, 20:52
Re: Marion-Bermuda Race 2019Frank Reed29 Nov 2018, 20:50
Re: Marion-Bermuda Race 2019Tony Oz29 Nov 2018, 19:04
Re: Marion-Bermuda Race 2019Tony Oz29 Nov 2018, 19:01
Re: Marion-Bermuda Race 2019Brad Morris29 Nov 2018, 17:35
Marion-Bermuda Race 2019Frank Reed29 Nov 2018, 16:40
Re: Refraction, Cassini modelRoger W. Sinnott29 Nov 2018, 13:24
Re: Heath Sextant P356 - reading the vernier scaleGeoffrey Kolbe29 Nov 2018, 12:50
Re: Heath Sextant P356 - reading the vernier scaleAlexandre Eremenko29 Nov 2018, 05:34
Re: Refraction, Cassini modelPaul Hirose28 Nov 2018, 23:33
Re: Heath Sextant P356 - reading the vernier scaleMike Critchley28 Nov 2018, 22:13
Re: Harbor MarkersFrank Reed28 Nov 2018, 19:10
Re: Harbor MarkersEamonn Sparling28 Nov 2018, 19:13
Re: Heath Sextant P356 - reading the vernier scaleAlexandre Eremenko28 Nov 2018, 17:21
Heath Sextant P356 - reading the vernier scaleMike Critchley28 Nov 2018, 17:00
Re: Using "hack" as a verbD Maracle28 Nov 2018, 15:59
Searched for Casio fx-98, found this...Tony Oz28 Nov 2018, 15:33
Re: Bright Venus againAntoine Couëtte28 Nov 2018, 11:30
Re: Harbor MarkersDavid Pike28 Nov 2018, 09:04
Re: Bright Venus againPaul Hirose28 Nov 2018, 07:19
Re: Harbor MarkersBrad Morris28 Nov 2018, 02:42
Re: Degree CalculatorDavid C28 Nov 2018, 02:13
Re: Refraction, Cassini modelRoger W. Sinnott28 Nov 2018, 01:08
Re: Refraction, Cassini modelPaul Hirose27 Nov 2018, 22:04
Re: Degree CalculatorBob Goethe27 Nov 2018, 18:48
Re: Harbor MarkersDavid Pike27 Nov 2018, 17:54
Re: Bright Venus againAntoine Couëtte27 Nov 2018, 15:15
Re: Using "hack" as a verbWayne Hilliard27 Nov 2018, 02:15
Re: Degree CalculatorBrad Morris26 Nov 2018, 22:41
Re: Harbor MarkersBrad Morris26 Nov 2018, 22:01
Re: Degree CalculatorDavid C26 Nov 2018, 21:14
Re: Lindbergh-Weems Second-Setting Watch -- Notes on Design and UseBrad Morris26 Nov 2018, 20:57
Re: Using "hack" as a verbDavid Pike26 Nov 2018, 20:57
Re: Using "hack" as a verbFrank Reed26 Nov 2018, 20:46
Re: Harbor MarkersDavid Pike26 Nov 2018, 20:34
Re: Using "hack" as a verbFrank Reed26 Nov 2018, 20:17
Re: Using "hack" as a verbDavid C26 Nov 2018, 19:45
Re: Optimum number of LOPsGreg Rudzinski26 Nov 2018, 15:07
Re: Degree CalculatorBrad Morris26 Nov 2018, 13:52
Re: Harbor MarkersBill Lionheart26 Nov 2018, 13:20
Re: Bright Venus againBill Ritchie26 Nov 2018, 11:05
Lindbergh-Weems Second-Setting Watch -- Notes on Design and UseEd Popko26 Nov 2018, 10:59
Re: Using "hack" as a verbDavid Pike26 Nov 2018, 10:33
Re: Optimum number of LOPsBill Lionheart26 Nov 2018, 09:39
Re: Degree CalculatorDavid C26 Nov 2018, 08:38
Re: Optimum number of LOPsBill Lionheart26 Nov 2018, 08:30
Re: Using "hack" as a verbJacob M. Huffman III26 Nov 2018, 03:03
Re: Degree CalculatorDavid C26 Nov 2018, 01:41
Re: Using "hack" as a verbDavid C26 Nov 2018, 01:17
Re: Using "hack" as a verbDavid C26 Nov 2018, 00:55
Re: Harbor MarkersJohn D. Howard25 Nov 2018, 21:06
Re: Harbor MarkersBrad Morris25 Nov 2018, 16:26
Re: Using "hack" as a verbJacob M. Huffman III25 Nov 2018, 13:33
Re: Degree CalculatorEd Popko25 Nov 2018, 11:09
Re: Harbor MarkersMichael Bradley25 Nov 2018, 09:02
Re: Using "hack" as a verbThomas Spidle25 Nov 2018, 04:01
Re: Degree CalculatorSean C25 Nov 2018, 03:01
Re: Degree CalculatorDavid C25 Nov 2018, 02:34
Re: Degree CalculatorDavid C25 Nov 2018, 02:29
Re: Harbor MarkersJohn D. Howard25 Nov 2018, 02:13
Re: Harbor MarkersBruce J. Pennino25 Nov 2018, 00:59
Re: Harbor MarkersBrad Morris24 Nov 2018, 23:18
Modern Navigators Are Numb To The UniversePaul Hirose24 Nov 2018, 23:05
Harbor MarkersEamonn Sparling24 Nov 2018, 21:35
Re: Using "hack" as a verbDavid C24 Nov 2018, 21:05
Re: Using "hack" as a verbGary LaPook24 Nov 2018, 19:39
Re: Using "hack" as a verbJohn D. Howard24 Nov 2018, 19:07
Degree CalculatorBob Goethe24 Nov 2018, 16:01
Using "hack" as a verbBob Goethe24 Nov 2018, 15:38
Optimum number of LOPsBob Goethe24 Nov 2018, 15:33
Re: Pub.249 Epoch 2020 is available.Robin Stuart24 Nov 2018, 13:35
Re: Declination and GHA: Nautical Almanac proceduresFrank Reed23 Nov 2018, 18:04
Re: Russia blocked GPS data during NATO exercises: NorwayTony Oz23 Nov 2018, 11:48
Re: SNO-T "night" sight tube?Alexandre Eremenko23 Nov 2018, 06:47
Re: SNO-T "night" sight tube?Brad Morris23 Nov 2018, 03:35
Re: SNO-T "night" sight tube?Alexandre Eremenko23 Nov 2018, 01:11
Re: SNO-T "night" sight tube?Brad Morris22 Nov 2018, 21:46
Re: SNO-T "night" sight tube?Bill Morris22 Nov 2018, 19:53
Re: SNO-T "night" sight tube?Tony Oz22 Nov 2018, 19:31
Re: SNO-T "night" sight tube?Brad Morris22 Nov 2018, 12:23
Re: SNO-T "night" sight tube?Alexandre Eremenko21 Nov 2018, 22:38
Re: Quad regression for Lunar Distances?Tony Oz21 Nov 2018, 22:04
Re: Quad regression for Lunar Distances?Frank Reed21 Nov 2018, 16:03
Celestial Tools V5.8.0Stan K21 Nov 2018, 15:43
Re: Quad regression for Lunar Distances?Tony Oz21 Nov 2018, 15:04
Re: SNO-T "night" sight tube?Tony Oz21 Nov 2018, 08:43
Re: SNO-T "night" sight tube?Gary LaPook21 Nov 2018, 05:30
Re: "The Lonely Halls Meeting"Richard Easton21 Nov 2018, 02:08
Re: "The Lonely Halls Meeting"Brad Morris20 Nov 2018, 22:58
Re: Converting degrees-minutes to degrees and backPaul Hirose20 Nov 2018, 19:00
Re: SNO-T "night" sight tube?Alexandre Eremenko20 Nov 2018, 18:59
"The Lonely Halls Meeting"Richard Easton20 Nov 2018, 16:57
Re: Converting degrees-minutes to degrees and backBrad Morris20 Nov 2018, 13:54
Re: Quad regression for Lunar Distances?Herman Dekker20 Nov 2018, 12:26
Re: Geodesic versus great circleAndrés Ruiz20 Nov 2018, 09:46
Re: WWV tropical weather announcementsRichard B. Langley20 Nov 2018, 09:26
Re: SNO-T "night" sight tube?Tony Oz20 Nov 2018, 08:28
Re: SNO-T "night" sight tube?Tony Oz20 Nov 2018, 08:13
Re: SNO-T "night" sight tube?Alexandre Eremenko20 Nov 2018, 01:41
Re: SNO-T "night" sight tube?Paul Werner19 Nov 2018, 20:39
Re: SNO-T "night" sight tube?Tony Oz19 Nov 2018, 18:16
Re: SNO-T "night" sight tube?Paul Werner19 Nov 2018, 17:37
Re: Quad regression for Lunar Distances?Frank Reed19 Nov 2018, 16:40
WWV tropical weather announcementsFrank Reed19 Nov 2018, 16:37
Re: SNO-T "night" sight tube?Tony Oz19 Nov 2018, 16:03
Re: SNO-T "night" sight tube?Alexandre Eremenko19 Nov 2018, 15:54
Re: Geodesic versus great circlePaul Hughes19 Nov 2018, 14:29
SNO-T "night" sight tube?Tony Oz19 Nov 2018, 14:03
Re: Refraction, Cassini modelAntoine Couëtte19 Nov 2018, 13:36
Re: Converting degrees-minutes to degrees and backBrad Morris19 Nov 2018, 12:35
Re: Converting degrees-minutes to degrees and backDavid Pike19 Nov 2018, 11:46
Converting degrees-minutes to degrees and backSteve E. Bryant19 Nov 2018, 03:42
Refraction, Cassini modelPaul Hirose18 Nov 2018, 03:39
Re: Latitude by Talcott-Horrebow MethodFrank Reed17 Nov 2018, 19:26
Re: Latitude by Talcott-Horrebow MethodGeoffrey Kolbe17 Nov 2018, 19:20
Re: Bright Venus againPeter Hakel17 Nov 2018, 17:52
Re: Keyboard Sextant "Keycaps"Tony Oz17 Nov 2018, 17:41
Re: Keyboard Sextant "Keycaps"Morfydd James17 Nov 2018, 13:52
Re: Bright Venus againAntoine Couëtte17 Nov 2018, 07:59
Keyboard Sextant "Keycaps"Sean C17 Nov 2018, 06:40
Re: Geodesic versus great circleFrank Reed16 Nov 2018, 18:30
Geodesic versus great circleBill Lionheart16 Nov 2018, 17:07
Long Term Almanac for navigational starsRafal O.16 Nov 2018, 13:51
Re: Sexagesimal vs Degree-minute-tenths of minutes anglesJohn D. Howard15 Nov 2018, 15:51
Re: Sexagesimal vs Degree-minute-tenths of minutes anglesGreg Rudzinski15 Nov 2018, 15:39
Sexagesimal vs Degree-minute-tenths of minutes anglesEd Popko15 Nov 2018, 11:03
Re: A question about an Alan Jackson songStan K15 Nov 2018, 01:11
Re: Russia blocked GPS data during NATO exercises: NorwayGeoffrey Kolbe14 Nov 2018, 21:45
Re: Russia blocked GPS data during NATO exercises: NorwayBrad Morris14 Nov 2018, 21:00
Re: A question about an Alan Jackson songStan K14 Nov 2018, 17:52
Re: What is this display?Morfydd James14 Nov 2018, 17:30
Declination and GHA: Nautical Almanac proceduresMike Freeman14 Nov 2018, 16:34
Bright Venus againAntoine Couëtte14 Nov 2018, 07:43
Re: Russia blocked GPS data during NATO exercises: NorwaySean C14 Nov 2018, 03:55
Re: A question about an Alan Jackson songSean C14 Nov 2018, 03:47
Re: A question about an Alan Jackson songBrad Morris14 Nov 2018, 01:59
A quick Mars lunarPeter Hakel14 Nov 2018, 01:59
Re: A question about an Alan Jackson songFrancis Upchurch14 Nov 2018, 01:56
Re: A question about an Alan Jackson songStan K13 Nov 2018, 23:14
Re: A question about an Alan Jackson songStan K13 Nov 2018, 23:11
Re: A question about an Alan Jackson songRoger W. Sinnott13 Nov 2018, 22:17
Re: Russia blocked GPS data during NATO exercises: NorwayTony Oz13 Nov 2018, 21:14
Re: A question about an Alan Jackson songBrad Morris13 Nov 2018, 21:03
Re: A question about an Alan Jackson songBrad Morris13 Nov 2018, 19:33
Russia blocked GPS data during NATO exercises: NorwayPete Solon Palmer13 Nov 2018, 19:03
A question about an Alan Jackson songStan K13 Nov 2018, 15:07
Re: Celestial Navigation on the surface of MarsGreg Rudzinski13 Nov 2018, 12:42
Re: What is this display?Morfydd James13 Nov 2018, 10:36
Re: What is this display?Luc Van den Borre13 Nov 2018, 10:27
Re: What is this display?Frank Reed13 Nov 2018, 06:30
Re: What is this display?Morfydd James13 Nov 2018, 02:47
Re: Astro Navigation at HMS CollingwoodBrad Morris13 Nov 2018, 00:39
What is this display?Frank Reed12 Nov 2018, 22:37
Re: Astro Navigation at HMS CollingwoodFrank Reed12 Nov 2018, 22:28
Re: Astro Navigation at HMS CollingwoodPeter Monta12 Nov 2018, 22:12
Re: Celestial Navigation on the surface of MarsJohn D. Howard12 Nov 2018, 18:25
Re: Celestial Navigation on the surface of MarsFrank Reed12 Nov 2018, 16:57
Re: Celestial Navigation on the surface of MarsJohn D. Howard12 Nov 2018, 16:32
Re: Astro Navigation at HMS CollingwoodFrank Reed12 Nov 2018, 15:44
Re: Astro Navigation at HMS CollingwoodBill Lionheart12 Nov 2018, 14:32
Re: Celestial Navigation on the surface of MarsGreg Rudzinski12 Nov 2018, 13:33
Horizon shades and an index microscope?Tony Oz12 Nov 2018, 09:01
Sextants' paint color?Tony Oz12 Nov 2018, 08:50
Re: Celestial Navigation on the surface of MarsRobert VanderPol II12 Nov 2018, 06:42
Re: Celestial Navigation on the surface of MarsGreg Rudzinski12 Nov 2018, 00:01
Re: Quad regression for Lunar Distances?Lars Bergman11 Nov 2018, 21:58
Re: Astro Navigation at HMS CollingwoodBob Goethe11 Nov 2018, 21:57
Re: Quad regression for Lunar Distances?Frank Reed11 Nov 2018, 19:53
Re: Celestial Navigation on the surface of MarsMorfydd James11 Nov 2018, 18:49
Re: Quad regression for Lunar Distances?Robert Bernecky11 Nov 2018, 18:48
Re: Celestial Navigation on the surface of MarsMorfydd James11 Nov 2018, 18:47
Re: Celestial Navigation on the surface of MarsFrank Reed11 Nov 2018, 18:03
Re: Celestial Navigation on the surface of MarsJohn D. Howard11 Nov 2018, 16:24
Re: Astro Navigation at HMS CollingwoodBrad Morris11 Nov 2018, 16:21
Re: Celestial Navigation on the surface of MarsDon Seltzer11 Nov 2018, 15:20
Re: Celestial Navigation on the surface of MarsBrad Morris11 Nov 2018, 14:40
Astro Navigation at HMS CollingwoodBill Lionheart11 Nov 2018, 13:16
Re: Celestial Navigation on the surface of MarsGreg Rudzinski11 Nov 2018, 13:06
Re: Quad regression for Lunar Distances?Lars Bergman11 Nov 2018, 11:41
Re: Celestial Navigation on the surface of MarsJohn D. Howard11 Nov 2018, 04:03
Re: Celestial Navigation on the surface of MarsBrad Morris11 Nov 2018, 00:56
Re: Celestial Navigation on the surface of MarsPaul Dolkas11 Nov 2018, 00:41
Re: Celestial Navigation on the surface of MarsPaul Dolkas11 Nov 2018, 00:35
Re: Quad regression for Lunar Distances?Robert Bernecky10 Nov 2018, 22:58
Re: Celestial Navigation on the surface of MarsMorfydd James10 Nov 2018, 21:52
Re: Celestial Navigation on the surface of MarsBrad Morris10 Nov 2018, 17:15
Re: Celestial Navigation on the surface of MarsGreg Rudzinski10 Nov 2018, 15:42
Re: Celestial Navigation on the surface of MarsGeoffrey Kolbe10 Nov 2018, 14:53
Re: Celestial Navigation on the surface of MarsGreg Rudzinski10 Nov 2018, 14:23
Re: Zenith sun tomorrow and USN celestial softwareJohn D. Howard10 Nov 2018, 03:26
Re: Quad regression for Lunar Distances?Paul Hirose9 Nov 2018, 23:04
Re: DIY Davis prism directly on the mirror?Bruce Cutting9 Nov 2018, 19:45
Re: Zenith sun tomorrow and USN celestial softwareBrad Morris9 Nov 2018, 18:52
Re: Zenith sun tomorrow and USN celestial softwareFrank Reed9 Nov 2018, 18:15
Re: Life raft questions - knowing only GHA and sun's rising or settingDerrick Young9 Nov 2018, 18:06
Re: Zenith sun tomorrow and USN celestial softwareTony Oz9 Nov 2018, 15:27
Re: Life raft questions - knowing only GHA and sun's rising or settingTony Oz9 Nov 2018, 15:10
Re: Quad regression for Lunar Distances?Lars Bergman9 Nov 2018, 12:48
Re: Zenith sun tomorrow and USN celestial softwareGreg Rudzinski9 Nov 2018, 12:08
Re: Quad regression for Lunar Distances?Lars Bergman9 Nov 2018, 10:58
Re: Celestial Navigation on the surface of MarsAndrés Ruiz9 Nov 2018, 08:14
Re: Life raft questions - knowing only GHA and sun's rising or settingTony Oz9 Nov 2018, 07:51
Re: Celestial Navigation on the surface of MarsAndrés Ruiz9 Nov 2018, 07:46
Re: DIY Davis prism directly on the mirror?Tony Oz9 Nov 2018, 07:45
Re: Latitude by Talcott-Horrebow MethodPaul Hirose9 Nov 2018, 07:30
Re: Zenith sun tomorrow and USN celestial softwareBrad Morris9 Nov 2018, 05:22
Re: Quad regression for Lunar Distances?Sean C9 Nov 2018, 04:39
Zenith sun tomorrow and USN celestial softwareFrank Reed9 Nov 2018, 03:41
Re: DIY Davis prism directly on the mirror?Brad Morris9 Nov 2018, 03:31
Re: Life raft questions - knowing only GHA and sun's rising or settingBrad Morris9 Nov 2018, 02:09
Re: Time zone sign conventionsSteve E. Bryant8 Nov 2018, 20:42
Re: Life raft questions - knowing only GHA and sun's rising or settingTony Oz8 Nov 2018, 20:09
Re: Life raft questions - knowing only GHA and sun's rising or settingBrad Morris8 Nov 2018, 18:50
Re: Life raft questions - knowing only GHA and sun's rising or settingFrank Reed8 Nov 2018, 18:31
Re: Quad regression for Lunar Distances?Frank Reed8 Nov 2018, 18:30
Re: Life raft questions - knowing only GHA and sun's rising or settingTony Oz8 Nov 2018, 16:00
Re: Celestial Navigation on the surface of MarsGreg Rudzinski8 Nov 2018, 13:57
Re: Celestial Navigation on the surface of MarsMorfydd James8 Nov 2018, 13:37
Re: Celestial Navigation on the surface of MarsBrad Morris8 Nov 2018, 13:35
Re: Celestial Navigation on the surface of MarsRobert VanderPol II8 Nov 2018, 13:19
Re: Latitude by Talcott-Horrebow MethodPeter Monta8 Nov 2018, 12:15
DIY shade: a polarising filter?Tony Oz8 Nov 2018, 11:34
Re: Life raft questions - knowing only GHA and sun's rising or settingEd Popko8 Nov 2018, 11:27
Re: Quad regression for Lunar Distances?Lars Bergman8 Nov 2018, 10:13
Re: DIY Davis prism directly on the mirror?Tony Oz8 Nov 2018, 09:07
Re: Time zone sign conventionsTony Oz8 Nov 2018, 07:38
Re: Celestial Navigation on the surface of MarsMorfydd James8 Nov 2018, 05:13
Re: Time zone sign conventionsSean C8 Nov 2018, 05:01
Re: Celestial Navigation on the surface of MarsPaul Dolkas8 Nov 2018, 03:46
Time zone sign conventionsSteve E. Bryant8 Nov 2018, 02:56
Re: Celestial Navigation on the surface of MarsRobert VanderPol II8 Nov 2018, 01:10
Re: Life raft questions - knowing only GHA and sun's rising or settingStan K7 Nov 2018, 22:39
Re: Latitude by Talcott-Horrebow MethodBrad Morris7 Nov 2018, 22:19
Celestial Navigation on the surface of MarsMorfydd James7 Nov 2018, 22:18
Re: DIY Davis prism directly on the mirror?Brad Morris7 Nov 2018, 22:08
Re: Quad regression for Lunar Distances?Sean C7 Nov 2018, 21:58
Re: GPS and the Chandler WobblePeter Monta7 Nov 2018, 21:31
DIY Davis prism directly on the mirror?Tony Oz7 Nov 2018, 19:00
Re: Life raft questions - knowing only GHA and sun's rising or settingTony Oz7 Nov 2018, 18:48
Life raft questions - knowing only GHA and sun's rising or settingEd Popko7 Nov 2018, 16:03
Re: Quad regression for Lunar Distances?Lars Bergman7 Nov 2018, 14:53
Re: Avoiding the symmedian (and other) pointsBill Lionheart7 Nov 2018, 06:05
Re: GPS and the Chandler WobblePaul Hirose7 Nov 2018, 03:12
Re: Avoiding the symmedian (and other) pointsFrank Reed6 Nov 2018, 22:45
Re: Quad regression for Lunar Distances?Frank Reed6 Nov 2018, 22:15
Re: Avoiding the symmedian (and other) pointsBill Lionheart6 Nov 2018, 21:54
Re: Latitude by Talcott-Horrebow MethodPeter Monta6 Nov 2018, 21:17
Quad regression for Lunar Distances?Tony Oz6 Nov 2018, 16:41
Re: Latitude by Talcott-Horrebow MethodWilliam Porter6 Nov 2018, 16:03
Re: Latitude by Talcott-Horrebow MethodPaul Hirose6 Nov 2018, 08:37
Re: GPS and the Chandler WobbleJohn D. Howard6 Nov 2018, 03:41
Re: Latitude by Talcott-Horrebow MethodPeter Monta6 Nov 2018, 00:01
GPS and the Chandler WobbleBrad Morris5 Nov 2018, 23:21
Avoiding the symmedian (and other) pointsGary LaPook5 Nov 2018, 21:43
Re: Latitude by Talcott-Horrebow MethodJohn D. Howard5 Nov 2018, 20:30
Re: Latitude by Talcott-Horrebow MethodBrad Morris5 Nov 2018, 19:53
Mirror-adjustment key replacement foundTony Oz5 Nov 2018, 18:32
Re: Latitude by Talcott-Horrebow MethodBrad Morris5 Nov 2018, 16:22
Modern Celestial: Fri/Sat this week at Mystic SeaportFrank Reed5 Nov 2018, 15:58
Re: Latitude by Talcott-Horrebow MethodEd Popko5 Nov 2018, 15:27
Re: Latitude by Talcott-Horrebow MethodEd Popko5 Nov 2018, 11:13
Re: Latitude by Talcott-Horrebow MethodWilliam Porter5 Nov 2018, 11:02
Re: Lunars with Young's formula: always off by several minutesWilliam Porter5 Nov 2018, 07:51
Re: Latitude by Talcott-Horrebow MethodPaul Hirose5 Nov 2018, 06:18
Re: Lunars with Young's formula: always off by several minutesPaul Hirose5 Nov 2018, 05:12
Re: Lunars with Young's formula: always off by several minutesWilliam Porter4 Nov 2018, 21:56
Re: Lunars with Young's formula: always off by several minutesBrad Morris4 Nov 2018, 21:20
Re: GPS jamming causes drones to crashDavid Pike4 Nov 2018, 20:37
Re: Lunars with Young's formula: always off by several minutesWilliam Porter4 Nov 2018, 20:20
Re: GPS jamming causes drones to crashDavid Pike4 Nov 2018, 17:48
Re: Lunars with Young's formula: always off by several minutesLars Bergman4 Nov 2018, 13:18
Re: Latitude by Talcott-Horrebow MethodGeoffrey Kolbe4 Nov 2018, 06:53
Re: Latitude by Talcott-Horrebow MethodBrad Morris4 Nov 2018, 05:23
Re: GPS jamming causes drones to crashGary LaPook4 Nov 2018, 03:15
Re: Simpler than latitude and longitude?Gary LaPook4 Nov 2018, 02:45
Re: Navigation Conference, Mystic Seaport, 2019?Gary LaPook4 Nov 2018, 02:32
Re: Pub.249 Epoch 2020 is available.Brad Morris4 Nov 2018, 01:02
Re: Navigation Conference, Mystic Seaport, 2019?William Porter3 Nov 2018, 20:51
Simpler than latitude and longitude?Frank Reed3 Nov 2018, 19:12
Re: Pub.249 Epoch 2020 is available.Frank Reed3 Nov 2018, 18:00
Re: GPS jamming causes drones to crashFrank Reed3 Nov 2018, 17:44
GPS jamming causes drones to crashLu Abel3 Nov 2018, 16:51
Re: Pub.249 Epoch 2020 is available.Rafal O.3 Nov 2018, 16:31
Re: Latitude by Talcott-Horrebow MethodFrank Reed3 Nov 2018, 16:22
Re: Ratio of variancesFrank Reed3 Nov 2018, 16:21
Re: Ratio of variancesBrad Morris3 Nov 2018, 15:46
Re: Pub.249 Epoch 2020 is available.Brad Morris3 Nov 2018, 15:09
Re: Navigation Conference, Mystic Seaport, 2019?Bruce J. Pennino3 Nov 2018, 13:41
Re: Latitude by Talcott-Horrebow MethodWilliam Porter3 Nov 2018, 11:27
Re: Ratio of variancesGreg Rudzinski3 Nov 2018, 10:40
Re: Latitude by Talcott-Horrebow MethodGeoffrey Kolbe3 Nov 2018, 06:53
Re: Ratio of variancesDavid Pike2 Nov 2018, 22:25
Re: Pub.249 Epoch 2020 is available.Rafal O.2 Nov 2018, 20:25
Re: Latitude by Talcott-Horrebow MethodEd Popko2 Nov 2018, 20:17
Re: Lunars with Young's formula: always off by several minutesWilliam Porter2 Nov 2018, 19:36
Re: Latitude by Talcott-Horrebow MethodBrad Morris2 Nov 2018, 19:14
Re: Pub.249 Epoch 2020 is available.Brad Morris2 Nov 2018, 19:07
Latitude by Talcott-Horrebow MethodEd Popko2 Nov 2018, 17:25
Re: Ratio of variancesGreg Rudzinski2 Nov 2018, 15:30
Ratio of variancesBill Lionheart2 Nov 2018, 14:40
Re: Navigation Conference, Mystic Seaport, 2019?Geoffrey Kolbe2 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 minutesGeoffrey Kolbe2 Nov 2018, 07:17
Re: Lunars with Young's formula: always off by several minutesSean C1 Nov 2018, 23:03
Re: Lunars with Young's formula: always off by several minutesWilliam Porter1 Nov 2018, 22:48
Re: Navigation Conference, Mystic Seaport, 2019?Robert Pearson1 Nov 2018, 22:42
Re: Navigation Conference, Mystic Seaport, 2019?Richard Easton1 Nov 2018, 22:22
Re: Lunars with Young's formula: always off by several minutesWilliam Porter1 Nov 2018, 22:00
Re: Navigation Conference, Mystic Seaport, 2019?Jackson McDonald1 Nov 2018, 21:20
Re: Lunars with Young's formula: always off by several minutesPaul Hirose1 Nov 2018, 19:10
Quantum Navigation, a backup to GPSBrad Morris1 Nov 2018, 19:03
Re: Lunars with Young's formula: always off by several minutesLars Bergman1 Nov 2018, 14:16
Re: Lunars with Young's formula: always off by several minutesWilliam Porter1 Nov 2018, 11:17
Re: Navigation jokesFrank Atkins1 Nov 2018, 09:24
Re: Navigation Conference, Mystic Seaport, 2019?Jeremy C1 Nov 2018, 06:55
Re: Lunars with Young's formula: always off by several minutesFrank Reed31 Oct 2018, 23:42
Re: Lunars with Young's formula: always off by several minutesWilliam Porter31 Oct 2018, 23:22
Re: Pub.249 Epoch 2020 is available.Frank Reed31 Oct 2018, 23:14
Re: Lunars with Young's formula: always off by several minutesWilliam Porter31 Oct 2018, 21:35
Re: Pub.249 Epoch 2020 is available.Brad Morris31 Oct 2018, 21:11
Re: Lunars with Young's formula: always off by several minutesAndrés Ruiz31 Oct 2018, 16:55
Re: Pub.249 Epoch 2020 is available.Rafal O.31 Oct 2018, 16:34
Re: Logic of shadesGreg Rudzinski31 Oct 2018, 16:00
Re: Pub.249 Epoch 2020 is available.Frank Reed31 Oct 2018, 13:49
Re: Lunars with Young's formula: always off by several minutesFrank Reed31 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 Popko31 Oct 2018, 10:13
Re: Logic of shadesGary LaPook31 Oct 2018, 04:51
Re: Navigation Conference, Mystic Seaport, 2019?Stan K30 Oct 2018, 21:45
Lunars with Young's formula: always off by several minutesWilliam Porter30 Oct 2018, 21:41
Navigation Conference, Mystic Seaport, 2019?Frank Reed30 Oct 2018, 14:34
Re: Pub.249 Epoch 2020 is available.Rafal O.30 Oct 2018, 11:59
Re: Mark 15 sextantsMichael Bradley30 Oct 2018, 08:52
Re: Pub.249 Epoch 2020 is available.Rafal O.30 Oct 2018, 08:21
Re: Navigation jokesAntoine Couëtte30 Oct 2018, 07:16
Re: Longitude, zone time, and local mean timeBruce Cutting30 Oct 2018, 00:49
Re: Longitude, zone time, and local mean timeDavid Fleming29 Oct 2018, 20:40
Re: Longitude, zone time, and local mean timeBruce Cutting29 Oct 2018, 20:02
Re: Equation of Time Simplified?Alejandro Muñoz29 Oct 2018, 20:02
Re: Is most probable position (MPP) a dangerous misnomer?John D. Howard29 Oct 2018, 19:41
Re: Is most probable position (MPP) a dangerous misnomer?Frank Reed29 Oct 2018, 19:38
Re: Mark 15 sextantsRoger W. Sinnott29 Oct 2018, 19:07
Re: Mark 15 sextantsRoger W. Sinnott29 Oct 2018, 18:49
Re: Is most probable position (MPP) a dangerous misnomer?David Pike29 Oct 2018, 18:41
Longitude, zone time, and local mean timeSteve E. Bryant29 Oct 2018, 18:38
Re: Navigation jokesRobin Stuart29 Oct 2018, 16:25
Re: Is most probable position (MPP) a dangerous misnomer?John D. Howard29 Oct 2018, 14:59
Re: Pub.249 Epoch 2020 is available.Brad Morris29 Oct 2018, 14:31
Re: Navigation jokesDon Seltzer29 Oct 2018, 13:04
Re: Mark 15 sextantsGreg Rudzinski29 Oct 2018, 13:02
Re: Elements of the navigation triangleDavid Pike29 Oct 2018, 09:01
Re: Mark 15 sextantsKen Gebhart29 Oct 2018, 03:37
Elements of the navigation triangleSteve E. Bryant29 Oct 2018, 00:42
Re: Is most probable position (MPP) a dangerous misnomer?David Pike28 Oct 2018, 23:19
Re: Navigation jokesDavid Pike28 Oct 2018, 22:42
Re: Navigation jokesDavid Pike28 Oct 2018, 22:26
Re: Navigation jokesSean C28 Oct 2018, 04:53
Re: Navigation jokesPeter Hakel28 Oct 2018, 04:00
Re: Navigation jokesJohn D. Howard28 Oct 2018, 02:43
Re: Navigation jokesWil Bailey27 Oct 2018, 23:05
Re: Mark 15 sextantsBrad Morris27 Oct 2018, 20:00
Re: Navigation jokesMark Coady27 Oct 2018, 19:18
Re: Logic of shadesMark Coady27 Oct 2018, 19:13
Re: Logic of shadesGeoffrey Kolbe27 Oct 2018, 17:29
Re: Logic of shadesPaul Hirose27 Oct 2018, 16:43
Re: Is most probable position (MPP) a dangerous misnomer?John D. Howard27 Oct 2018, 16:35
Re: Navigation jokesFrancis Upchurch27 Oct 2018, 14:41
Re: Mark 15 sextantsMichael Bradley27 Oct 2018, 09:46
Is most probable position (MPP) a dangerous misnomer?David Pike27 Oct 2018, 09:22
Re: Logic of shadesFrancis Upchurch27 Oct 2018, 06:43
Re: Logic of shadesFrancis Upchurch27 Oct 2018, 06:35
Re: Logic of shadesDavid Fleming26 Oct 2018, 22:32
Re: Mark 15 sextantsGord Cudlipp26 Oct 2018, 21:52
Re: Mark 15 sextantsRoger W. Sinnott26 Oct 2018, 21:42
Re: Mark 15 sextantsBrad Morris26 Oct 2018, 21:33
Re: Mark 15 sextantsRobert Pearson26 Oct 2018, 20:38
Re: Logic of shadesPaul Dolkas26 Oct 2018, 18:47
Mark 15 sextantsGord Cudlipp26 Oct 2018, 18:05
Re: Logic of shadesBrad Morris26 Oct 2018, 17:19
Re: Logic of shadesFrank Reed26 Oct 2018, 17:14
Logic of shadesalexander duytschaever26 Oct 2018, 13:38
Re: Navigation jokesMichael Bradley26 Oct 2018, 08:36
Re: Navigation jokesThomas Spidle26 Oct 2018, 05:47
Re: Position lines with confidence weightsBill Lionheart26 Oct 2018, 05:33
Re: Navigation jokesThomas Spidle26 Oct 2018, 05:28
Re: Navigation jokesRobert VanderPol II26 Oct 2018, 04:07
Re: Navigation jokesEd Popko26 Oct 2018, 01:47
Re: NavList dinner in Mystic October 27 (moved to Oct.28)Frank Reed26 Oct 2018, 00:01
Re: Navigation jokesGreg R_25 Oct 2018, 22:31
Navigation jokesEd Popko25 Oct 2018, 21:40
Re: SkyfieldPaul Hirose25 Oct 2018, 19:58
Re: Pub.249 Epoch 2020 is available.Tony Oz25 Oct 2018, 18:08
Re: Pub.249 Epoch 2020 is available.Frank Reed25 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 Reed24 Oct 2018, 21:43
Re: Pub.249 Epoch 2020 is available.Tony Oz24 Oct 2018, 20:31
Brightest planet in the sky tonightDon Seltzer24 Oct 2018, 19:51
Maritime publisher Brown, Son and FergusonPaul Hirose24 Oct 2018, 17:33
Re: NavList dinner in Mystic October 27Frank Reed24 Oct 2018, 17:22
Re: Pub.249 Epoch 2020 is available.Rafal O.24 Oct 2018, 07:47
Re: Personal equation in timed observationsPeter Monta24 Oct 2018, 06:30
Re: SkyfieldPeter Monta24 Oct 2018, 06:19
Re: SkyfieldJosh Paterson23 Oct 2018, 23:42
Re: SkyfieldJohn D. Howard23 Oct 2018, 23:10
Re: SkyfieldLars Bergman23 Oct 2018, 21:00
Re: SkyfieldRobin Stuart23 Oct 2018, 20:24
Re: Lindbergh-Weems Navigaiton Watch GotchasTony Oz23 Oct 2018, 19:48
Re: Personal equation in timed observationsSean C23 Oct 2018, 18:14
Re: Pub.249 Epoch 2020 is available.Gary LaPook23 Oct 2018, 16:54
Re: SkyfieldJohn D. Howard23 Oct 2018, 16:05
Re: Personal equation in timed observationsBrad Morris23 Oct 2018, 15:37
Pub.249 Epoch 2020 is available.Tony Oz23 Oct 2018, 12:03
Re: SkyfieldLars Bergman23 Oct 2018, 10:31
Re: Lindbergh-Weems Navigaiton Watch GotchasTony Oz23 Oct 2018, 08:47
Re: SkyfieldPaul Hirose23 Oct 2018, 05:32
Personal equation in timed observationsPaul Hirose23 Oct 2018, 05:30
Re: SkyfieldKen Muldrew22 Oct 2018, 23:01
Re: Lindbergh-Weems Navigaiton Watch GotchasEd Popko22 Oct 2018, 22:04
SkyfieldRobin Stuart22 Oct 2018, 21:14
Re: Lindbergh-Weems Navigaiton Watch GotchasTony Oz22 Oct 2018, 16:31
Lindbergh-Weems Navigaiton Watch GotchasEd Popko22 Oct 2018, 14:31
Re: Fit vs Regression: what is the difference?Frank Reed22 Oct 2018, 14:09
Fit vs Regression: what is the difference?Tony Oz22 Oct 2018, 09:45
Re: NavList dinner in Mystic October 27Frank Reed21 Oct 2018, 18:28
Re: Linear regression and other toolsFrank Reed21 Oct 2018, 13:56
Re: Linear regression and other toolsTony Oz21 Oct 2018, 08:22
Re: Linear regression and other toolsTony Oz20 Oct 2018, 21:29
Re: Linear regression and other toolsTony Oz20 Oct 2018, 19:32
Re: 2nd Order Regression limitationsBrad Morris20 Oct 2018, 19:30
Astron 2.00 releasePeter Hakel20 Oct 2018, 17:11
Re: Position lines with confidence weightsAntoine Couëtte19 Oct 2018, 20:27
Re: Position lines with confidence weightsEd Popko19 Oct 2018, 18:28
Position lines with confidence weightsFrank Reed19 Oct 2018, 18:17
Re: Maximum likelihood position with triangle on a sphereDavid Pike19 Oct 2018, 17:34
Maximum likelihood position with triangle on a sphereBill Lionheart19 Oct 2018, 16:09
Re: Were there secret techniques in the 17th and 18th CenturyDavid Pike18 Oct 2018, 19:41
Re: Were there secret techniques in the 17th and 18th CenturyPaul Hirose18 Oct 2018, 18:41
Re: Were there secret techniques in the 17th and 18th CenturyGary LaPook18 Oct 2018, 08:00
Re: Were there secret techniques in the 17th and 18th CenturyBrad Morris18 Oct 2018, 02:49
Re: Were there secret techniques in the 17th and 18th CenturySean C18 Oct 2018, 02:21
Re: Were there secret techniques in the 17th and 18th CenturyDavid Pike17 Oct 2018, 21:34
Re: 2nd Order Regression limitationsFrank Reed17 Oct 2018, 19:43
Re: News from Stan KFrank Reed17 Oct 2018, 19:25
Re: Were there secret techniques in the 17th and 18th CenturyFrank Reed17 Oct 2018, 17:16
2nd Order Regression limitationsAntoine Couëtte17 Oct 2018, 17:11
Were there secret techniques in the 17th and 18th CenturyBill Lionheart17 Oct 2018, 16:12
Re: News from Stan KBrad Morris17 Oct 2018, 01:59
Re: Symmedian point -earliest reference in navigationDavid Pike16 Oct 2018, 21:42
Re: News from Stan KStan K16 Oct 2018, 21:27
Re: Symmedian point -earliest reference in navigationBrad Morris16 Oct 2018, 20:15
Re: Symmedian point -earliest reference in navigationGary LaPook16 Oct 2018, 18:27
Re: Symmedian point -earliest reference in navigationBill Lionheart16 Oct 2018, 18:12
Re: Symmedian point -earliest reference in navigationAndrés Ruiz16 Oct 2018, 10:27
Re: Linear regression and other toolsAndrés Ruiz16 Oct 2018, 09:57
Re: Symmedian point -earliest reference in navigationDavid Pike16 Oct 2018, 08:39
Re: Symmedian point -earliest reference in navigationBill Lionheart16 Oct 2018, 08:18
Re: Linear regression and other toolsRobert Bernecky16 Oct 2018, 00:16
Re: A 300-year-old clock found on Derbyshire estate sells for 230kBrad Morris15 Oct 2018, 19:36
A 300-year-old clock found on Derbyshire estate sells for 230kRichard B. Langley15 Oct 2018, 19:07
Re: Symmedian point -earliest reference in navigationBrad Morris15 Oct 2018, 18:12
Re: Linear regression and other toolsBrad Morris15 Oct 2018, 16:58
Re: Symmedian point -earliest reference in navigationBill Lionheart15 Oct 2018, 15:08
Re: Symmedian point -earliest reference in navigationBill Lionheart15 Oct 2018, 15:03
Re: Linear regression and other toolsTony Oz15 Oct 2018, 11:50
Re: Symmedian point -earliest reference in navigationHerbert Prinz15 Oct 2018, 04:28
Re: Symmedian point -earliest reference in navigationDavid Pike14 Oct 2018, 22:17
Re: Software tool for Celestial Nav Training - a reportEd Popko14 Oct 2018, 19:31
Re: Linear regression and other toolsBruce Cutting14 Oct 2018, 18:45
Re: Linear regression and other toolsAntoine Couëtte14 Oct 2018, 18:36
Re: Symmedian point -earliest reference in navigationBrad Morris14 Oct 2018, 18:30
Re: Symmedian point -earliest reference in navigationBill Lionheart14 Oct 2018, 16:07
Re: Symmedian point -earliest reference in navigationBill Lionheart14 Oct 2018, 16:00
On the use of Lindbergh-Weems second-setting navigation watchEd Popko14 Oct 2018, 12:31
Re: Symmedian point -earliest reference in navigationDavid Pike14 Oct 2018, 11:07
Re: Linear regression and other toolsAntoine Couëtte14 Oct 2018, 08:23
Re: Linear regression and other toolsAntoine Couëtte14 Oct 2018, 05:54
Re: To what level must the accuracy go?Jeremy C14 Oct 2018, 05:36
Re: Linear regression and other toolsRon Jones14 Oct 2018, 04:15
Re: Symmedian point -earliest reference in navigationHerbert Prinz14 Oct 2018, 02:42
Re: Linear regression and other toolsRon Jones14 Oct 2018, 00:45
Re: To what level must the accuracy go?Tom Sult13 Oct 2018, 23:55
Re: Linear regression and other toolsTony Oz13 Oct 2018, 22:34
To what level must the accuracy go?Brad Morris13 Oct 2018, 22:17
Software tool for Celestial Nav Training - a reportEric van der Veen13 Oct 2018, 20:21
Re: Linear regression and other toolsBruce Cutting13 Oct 2018, 16:56
Re: Linear regression and other toolsAntoine Couëtte13 Oct 2018, 16:36
Re: Linear regression and other toolsRon Jones13 Oct 2018, 16:00
Symmedian point -earliest reference in navigationBill Lionheart13 Oct 2018, 12:54
Re: Linear regression and other toolsAntoine Couëtte13 Oct 2018, 04:41
Re: Linear regression and other toolsRon Jones12 Oct 2018, 18:24
Re: Linear regression and other toolsAntoine Couëtte12 Oct 2018, 17:44
Re: Linear regression and other toolsAntoine Couëtte12 Oct 2018, 17:03
Re: Linear regression and other toolsTony Oz12 Oct 2018, 15:38
Re: Linear regression and other toolsBrad Morris12 Oct 2018, 15:35
Re: Linear regression and other toolsAntoine Couëtte12 Oct 2018, 15:13
Re: Where is this mountain citadel?John D. Howard12 Oct 2018, 14:59
Re: NavList dinner in Mystic October 27Frank Atkins12 Oct 2018, 13:08
Re: Linear regression and other toolsTony Oz12 Oct 2018, 12:42
NavList dinner in Mystic October 27Frank Reed12 Oct 2018, 12:34
Re: Linear regression and other toolsAntoine Couëtte12 Oct 2018, 09:36
Re: Linear regression and other toolsTony Oz11 Oct 2018, 20:41
Re: Linear regression and other toolsAntoine Couëtte11 Oct 2018, 19:00
Re: Linear regression and other toolsLars Bergman11 Oct 2018, 18:47
Re: Linear regression and other toolsBrad Morris11 Oct 2018, 15:10
Re: Linear regression and other toolsLars Bergman11 Oct 2018, 09:49
Re: Linear regression and other toolsTony Oz10 Oct 2018, 21:46
Re: Linear regression and other toolsBrad Morris10 Oct 2018, 19:48
Re: A different type of heavenly bodyBrad Morris10 Oct 2018, 16:16
Linear regression and other toolsTony Oz10 Oct 2018, 10:10
A different type of heavenly bodyDon Seltzer10 Oct 2018, 02:43
Re: Where is this mountain citadel?John D. Howard9 Oct 2018, 15:11
Re: Where is this mountain citadel?David Pike9 Oct 2018, 13:05
Re: Where is this mountain citadel?David Pike9 Oct 2018, 10:16
Re: Where is this mountain citadel?Robert H. van Gent9 Oct 2018, 09:00
Re: Where is this mountain citadel?Herman Dekker9 Oct 2018, 07:28
Re: A little space navigationFrank Reed9 Oct 2018, 03:21
Re: A little space navigationBrad Morris9 Oct 2018, 02:07
Where is this mountain citadel?Frank Reed9 Oct 2018, 00:03
Re: A little space navigationDavid Pike8 Oct 2018, 22:52
Re: A little space navigationFrank Reed8 Oct 2018, 18:52
Re: A little space navigationFrank Reed8 Oct 2018, 18:44
Re: A little space navigationBrad Morris8 Oct 2018, 15:19
Re: A little space navigationDavid Pike8 Oct 2018, 07:16
Re: A little space navigationBrad Morris7 Oct 2018, 22:56
Re: A little space navigationDavid Pike7 Oct 2018, 20:38
Re: T Hav Doniol Sumner LOP ExampleD Maracle7 Oct 2018, 17:48
Re: A little space navigationBrad Morris7 Oct 2018, 04:48
Re: An Embarrassing ConundrumFrank Reed6 Oct 2018, 22:16
Re: An Embarrassing ConundrumDavid Pike6 Oct 2018, 20:55
Re: An Embarrassing ConundrumAntoine Couëtte6 Oct 2018, 18:31
Re: An Embarrassing ConundrumFrank Reed6 Oct 2018, 18:01
Re: T Hav Doniol Sumner LOP ExampleGreg Rudzinski6 Oct 2018, 17:52
Re: An Embarrassing ConundrumGary LaPook6 Oct 2018, 17:34
Re: T Hav Doniol Sumner LOP ExampleD Maracle6 Oct 2018, 16:19
An Embarrassing ConundrumDavid Pike6 Oct 2018, 13:36
Re: A little space navigationDavid Pike6 Oct 2018, 13:09
Re: A little space navigationRobert VanderPol II5 Oct 2018, 19:53
Re: Range from calculated dip of the shore horizonDon Seltzer5 Oct 2018, 19:07
Re: Protecting GNSS and Users - The Ideal APNTBrad Morris5 Oct 2018, 18:33
Re: A little space navigationBrad Morris5 Oct 2018, 17:23
Re: Range from calculated dip of the shore horizonBob Crawley5 Oct 2018, 14:27
Protecting GNSS and Users - The Ideal APNTRichard B. Langley5 Oct 2018, 13:02
Re: A little space navigationSean C5 Oct 2018, 08:36
Re: A little space navigationPeter Monta5 Oct 2018, 05:52
Re: A little space navigationPeter Monta5 Oct 2018, 05:09
Re: A little space navigationThomas Spidle5 Oct 2018, 03:56
Re: Range from calculated dip of the shore horizonRobert VanderPol II5 Oct 2018, 03:33
Re: A little space navigationJacob M. Huffman III5 Oct 2018, 02:13
A little space navigationFrank Reed5 Oct 2018, 01:41
Amelia Earhart Book AuctionJackson McDonald4 Oct 2018, 23:13
Range from calculated dip of the shore horizonDavid Pike4 Oct 2018, 20:32
Re: A paper sextant sight...Tony Oz4 Oct 2018, 15:41
Re: A paper sextant sight...David C4 Oct 2018, 03:45
Re: Moon montage flaws... how many can you find?Frank Reed4 Oct 2018, 02:26
Re: A paper sextant sight...Frank Reed3 Oct 2018, 23:54
Re: Susceptibility of GPS to CME, Rationale for CN?Dennis Jewitt3 Oct 2018, 18:32
Re: A paper sextant sight...Tony Oz3 Oct 2018, 17:30
Re: T Hav Doniol Sumner LOP ExampleGreg Rudzinski3 Oct 2018, 15:48
Re: Susceptibility of GPS to CME, Rationale for CN?Robert VanderPol II3 Oct 2018, 15:45
Re: Susceptibility of GPS to CME, Rationale for CN?Greg Licfi3 Oct 2018, 14:47
Re: Moon montage flaws... how many can you find?Bill B3 Oct 2018, 06:58
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch3 Oct 2018, 05:11
Re: Susceptibility of GPS to CME, Rationale for CN?Brian Walton3 Oct 2018, 04:29
Re: T Hav Doniol Sumner LOP ExampleBrian Walton3 Oct 2018, 04:05
Re: Moon montage flaws... how many can you find?Frank Reed3 Oct 2018, 02:49
Re: Moon montage flaws... how many can you find?Don Seltzer3 Oct 2018, 00:42
Re: Susceptibility of GPS to CME, Rationale for CN?Tom Sult2 Oct 2018, 23:07
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris2 Oct 2018, 22:15
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch2 Oct 2018, 21:31
Re: Moon montage flaws... how many can you find?Don Seltzer2 Oct 2018, 20:05
Re: Moon montage flaws... how many can you find?David Fleming2 Oct 2018, 18:28
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch2 Oct 2018, 16:48
Re: T Hav Doniol Sumner LOP ExampleGreg Rudzinski2 Oct 2018, 15:43
Re: Susceptibility of GPS to CME, Rationale for CN?Greg Licfi2 Oct 2018, 15:40
Re: Moon montage flaws... how many can you find?Bruce J. Pennino2 Oct 2018, 13:52
Re: Moon montage flaws... how many can you find?Don Seltzer2 Oct 2018, 13:10
Re: Moon montage flaws... how many can you find?Mike Mayer2 Oct 2018, 11:37
Re: Moon montage flaws... how many can you find?Tony Oz2 Oct 2018, 09:28
Re: Moon montage flaws... how many can you find?Antoine Couëtte2 Oct 2018, 09:28
Re: Moon montage flaws... how many can you find?Antoine Couëtte2 Oct 2018, 07:42
Re: Susceptibility of GPS to CME, Rationale for CN?Antoine Couëtte2 Oct 2018, 07:01
Re: Moon montage flaws... how many can you find?Bob Goethe2 Oct 2018, 05:28
Re: Moon montage flaws... how many can you find?Frank Reed2 Oct 2018, 05:22
Re: Susceptibility of GPS to CME, Rationale for CN?Robert VanderPol II2 Oct 2018, 05:02
Re: Moon montage flaws... how many can you find?Rommel John Miller2 Oct 2018, 04:48
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch2 Oct 2018, 04:41
Moon montage flaws... how many can you find?Frank Reed2 Oct 2018, 03:12
Re: Susceptibility of GPS to CME, Rationale for CN?John D. Howard2 Oct 2018, 02:07
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris1 Oct 2018, 22:50
Re: Susceptibility of GPS to CME, Rationale for CN?Hewitt Schlereth1 Oct 2018, 21:13
Re: Susceptibility of GPS to CME, Rationale for CN?David C1 Oct 2018, 20:07
Re: Susceptibility of GPS to CME, Rationale for CN?Ed Popko1 Oct 2018, 17:30
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris1 Oct 2018, 17:14
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris1 Oct 2018, 17:08
Re: Susceptibility of GPS to CME, Rationale for CN?Antoine Couëtte1 Oct 2018, 10:46
Re: Susceptibility of GPS to CME, Rationale for CN?David Pike1 Oct 2018, 07:47
Re: Susceptibility of GPS to CME, Rationale for CN?Robert VanderPol II1 Oct 2018, 03:17
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch1 Oct 2018, 03:15
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch1 Oct 2018, 03:07
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris1 Oct 2018, 01:38
Re: Susceptibility of GPS to CME, Rationale for CN?Bob Goethe30 Sep 2018, 23:29
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris30 Sep 2018, 22:25
Re: Susceptibility of GPS to CME, Rationale for CN?Peter Monta30 Sep 2018, 22:21
Re: News from Stan KFrank Reed30 Sep 2018, 19:00
Re: Susceptibility of GPS to CME, Rationale for CN?David Pike30 Sep 2018, 09:07
Re: Susceptibility of GPS to CME, Rationale for CN?Francis Upchurch30 Sep 2018, 05:40
Re: Susceptibility of GPS to CME, Rationale for CN?Brad Morris29 Sep 2018, 22:37
Re: GNSS is not immortalBrad Morris29 Sep 2018, 15:57
Re: Susceptibility of GPS to CME, Rationale for CN?Richard B. Langley29 Sep 2018, 12:04
Re: Timekeeping in the post-WWV/post-HF worldPeter Monta29 Sep 2018, 04:12
TimeTom Sult29 Sep 2018, 01:40
Re: GNSS is not immortalGary LaPook29 Sep 2018, 01:39
Multiple GPS backups failFrank Reed28 Sep 2018, 23:53
Re: Listening to WWV from 60N 30EPaul Hirose28 Sep 2018, 21:50
Sight PlanningRon Jones28 Sep 2018, 19:33
Susceptibility of GPS to CME, Rationale for CN?Brad Morris28 Sep 2018, 19:20
Re: Timekeeping in the post-WWV/post-HF worldRichard B. Langley28 Sep 2018, 15:39
Re: Timekeeping in the post-WWV/post-HF worldTony Oz28 Sep 2018, 13:30
Anti-spoof appChris Caswell28 Sep 2018, 11:02
Re: Timekeeping in the post-WWV/post-HF worldPeter Monta28 Sep 2018, 06:52
Re: Timekeeping in the post-WWV/post-HF worldPeter Monta28 Sep 2018, 06:41
Re: Timekeeping in the post-WWV/post-HF worldIan Vaughn28 Sep 2018, 00:47
Re: Antique books (Moore, Bowditch, Arnold) and an Antique OctantFrank Reed28 Sep 2018, 00:42
NavListNews Twitter feedFrank Reed27 Sep 2018, 22:39
Re: Timekeeping in the post-WWV/post-HF worldBrad Morris27 Sep 2018, 21:21
Re: Timekeeping in the post-WWV/post-HF worldRobert VanderPol II27 Sep 2018, 20:54
Re: Invert it: GPS as backup to primary celestial navigationBrad Morris27 Sep 2018, 20:37
Listening to WWV from 60N 30ETony Oz27 Sep 2018, 20:01
Re: Timekeeping in the post-WWV/post-HF worldSteve Dunlop27 Sep 2018, 19:46
Re: Global Hawk crash due to deactivated backup navigationAntoine Couëtte27 Sep 2018, 19:46
Re: Invert it: GPS as backup to primary celestial navigationBrad Morris27 Sep 2018, 19:26
Global Hawk crash due to deactivated backup navigationFrank Reed27 Sep 2018, 19:21
Re: Timekeeping in the post-WWV/post-HF worldFrank Reed27 Sep 2018, 19:12
Re: Timekeeping in the post-WWV/post-HF worldFrancis Upchurch27 Sep 2018, 18:18
Re: GNSS is not immortalSteve Dunlop27 Sep 2018, 17:22
Re: Timekeeping in the post-WWV/post-HF worldSteve Dunlop27 Sep 2018, 17:11
Re: Unexpected USNO height correction preceptsAndrés Ruiz27 Sep 2018, 11:23
Re: Invert it: GPS as backup to primary celestial navigationAntoine Couëtte27 Sep 2018, 06:09
Re: Timekeeping in the post-WWV/post-HF worldRobert VanderPol II27 Sep 2018, 04:25
Re: Timekeeping in the post-WWV/post-HF worldJohn D. Howard26 Sep 2018, 22:16
Re: Lindbergh-Weems Second-Setting WatchGary LaPook26 Sep 2018, 22:07
Re: GNSS is not immortalBob Goethe26 Sep 2018, 22:05
Re: GNSS is not immortalPete Solon Palmer26 Sep 2018, 21:03
Re: Timekeeping in the post-WWV/post-HF worldRoger W. Sinnott26 Sep 2018, 20:39
Invert it: GPS as backup to primary celestial navigationFrank Reed26 Sep 2018, 20:27
Re: Lindbergh-Weems Second-Setting WatchTony Oz26 Sep 2018, 20:26
Dunlap Sunrise Sunset ComputerBrad Morris26 Sep 2018, 19:55
Re: GNSS is not immortalBrad Morris26 Sep 2018, 19:19
Re: Lindbergh-Weems Second-Setting WatchEd Popko26 Sep 2018, 18:21
Re: Chart-plotters, dead reckoning, pilotage, etc.Bruce Cutting26 Sep 2018, 17:06
Re: Timekeeping in the post-WWV/post-HF worldMurray Peake26 Sep 2018, 17:52
Re: Chart-plotters, dead reckoning, pilotage, etc.Andrés Ruiz26 Sep 2018, 17:25
Re: Lindbergh-Weems Second-Setting WatchTony Oz26 Sep 2018, 16:29
Wwv/Wwvh/Wwvb Etc.Richard B. Langley26 Sep 2018, 15:54
Re: Timekeeping in the post-WWV/post-HF worldTony Oz26 Sep 2018, 13:02
Re: Timekeeping in the post-WWV/post-HF worldRobert VanderPol II26 Sep 2018, 12:20
Re: Venus phase correctionAndrés Ruiz26 Sep 2018, 12:01
Re: Chart-plotters, dead reckoning, pilotage, etc.Andrés Ruiz26 Sep 2018, 11:58
Re: Lindbergh-Weems Second-Setting WatchEd Popko26 Sep 2018, 11:00
Re: Unexpected USNO height correction preceptsAntoine Couëtte26 Sep 2018, 11:00
Handheld Sextant in spacecraftEric van der Veen26 Sep 2018, 09:20
Re: Timekeeping in the post-WWV/post-HF worldMurray Peake26 Sep 2018, 06:49
Re: Chart-plotters, dead reckoning, pilotage, etc.Sean C26 Sep 2018, 05:41
Re: Timekeeping in the post-WWV/post-HF worldPeter Monta26 Sep 2018, 05:30
Re: Unexpected USNO height correction preceptsPaul Hirose26 Sep 2018, 04:03
Re: Chart-plotters, dead reckoning, pilotage, etc.Sean C26 Sep 2018, 02:39
Re: Timekeeping in the post-WWV/post-HF worldRoger W. Sinnott26 Sep 2018, 02:34
Re: Antique books (Moore, Bowditch, Arnold) and an Antique OctantSean C26 Sep 2018, 02:14
Antique books (Moore, Bowditch, Arnold) and an Antique OctantFrank Reed26 Sep 2018, 01:53
Re: Timekeeping in the post-WWV/post-HF worldRobert VanderPol II26 Sep 2018, 00:49
Re: Timekeeping in the post-WWV/post-HF worldBrad Morris26 Sep 2018, 00:21
Re: Lindbergh-Weems Second-Setting WatchEd Popko25 Sep 2018, 22:20
Re: GNSS is not immortalSteve Dunlop25 Sep 2018, 22:15
Re: GPS selective availabilityPaul Hirose25 Sep 2018, 22:10
Re: GNSS is not immortalRichard B. Langley25 Sep 2018, 22:05
Re: GNSS is not immortalBrad Morris25 Sep 2018, 19:35
Re: GNSS is not immortalBob Goethe25 Sep 2018, 19:34
Re: Timekeeping in the post-WWV/post-HF worldGary LaPook25 Sep 2018, 18:18
Re: Timekeeping in the post-WWV/post-HF worldGary LaPook25 Sep 2018, 17:25
Re: Timekeeping in the post-WWV/post-HF worldGary LaPook25 Sep 2018, 17:13
Re: GNSS is not immortalBrad Morris25 Sep 2018, 17:09
Re: Chart-plotters, dead reckoning, pilotage, etc.Brad Morris25 Sep 2018, 16:30
Re: Chart-plotters, dead reckoning, pilotage, etc.Steve Dunlop25 Sep 2018, 15:51
Re: Timekeeping in the post-WWV/post-HF worldSteve Dunlop25 Sep 2018, 15:48
Re: Chart-plotters, dead reckoning, pilotage, etc.Steve Dunlop25 Sep 2018, 15:40
Re: GNSS is not immortalSteve Dunlop25 Sep 2018, 15:37
Re: GNSS is not immortalSteve Dunlop25 Sep 2018, 14:39
Re: Chart-plotters, dead reckoning, pilotage, etc.Jeremy C25 Sep 2018, 11:48
Re: Timekeeping in the post-WWV/post-HF worldJeremy C25 Sep 2018, 11:39
Re: Lindbergh-Weems Second-Setting WatchTony Oz25 Sep 2018, 11:00
Re: Chart-plotters, dead reckoning, pilotage, etc.Pete Solon Palmer25 Sep 2018, 07:27
Re: GNSS is not immortalBrad Morris25 Sep 2018, 06:53
Re: Unexpected USNO height correction preceptsAndrés Ruiz25 Sep 2018, 06:25
Re: Timekeeping in the post-WWV/post-HF worldGary LaPook25 Sep 2018, 06:22
Re: Unexpected USNO height correction preceptsAndrés Ruiz25 Sep 2018, 06:16
Re: Timekeeping in the post-WWV/post-HF worldBrad Morris25 Sep 2018, 06:00
Re: GNSS is not immortalFrank Reed25 Sep 2018, 03:15
Chart-plotters, dead reckoning, pilotage, etc.Steve Dunlop25 Sep 2018, 03:05
GNSS is not immortalSteve Dunlop25 Sep 2018, 03:05
Timekeeping in the post-WWV/post-HF worldSteve Dunlop25 Sep 2018, 03:04
Easy Intro Celestial, this weekend at Mystic SeaportFrank Reed24 Sep 2018, 22:03
Re: Unexpected USNO height correction preceptsGreg Rudzinski24 Sep 2018, 17:35
Re: Unexpected USNO height correction preceptsAntoine Couëtte24 Sep 2018, 14:35
Re: Lindbergh-Weems Second-Setting WatchTony Oz24 Sep 2018, 09:45
Re: GPS selective availabilityRonald van Riet24 Sep 2018, 08:30
Re: GPS selective availabilityGeoffrey Kolbe24 Sep 2018, 05:40
Re: Navigation Presentation in NYC, Sep. 15Frank Reed24 Sep 2018, 01:42
Re: Lindbergh-Weems Second-Setting WatchPaul Dolkas23 Sep 2018, 22:46
Re: All Haversine Time SightBrad Morris23 Sep 2018, 21:46
Re: GPS selective availabilityDavid Pike23 Sep 2018, 21:07
Re: GPS selective availabilityDavid Pike23 Sep 2018, 20:37
Re: Lindbergh-Weems Second-Setting WatchEd Popko23 Sep 2018, 20:05
Re: All Haversine Time SightBrian Walton23 Sep 2018, 19:33
Re: Venus phase correctionFrank Reed23 Sep 2018, 18:35
Re: Lindbergh-Weems Second-Setting WatchPaul Dolkas23 Sep 2018, 18:15
Re: Prepare for Ice...Bill B23 Sep 2018, 18:06
Re: Venus phase correctionRobert Bernecky23 Sep 2018, 17:56
Re: Venus phase correctionAntoine Couëtte23 Sep 2018, 17:22
Re: GPS selective availabilityFrank Reed23 Sep 2018, 17:05
Re: Unexpected USNO height correction preceptsAntoine Couëtte23 Sep 2018, 16:55
Re: GPS selective availabilityGeoffrey Kolbe23 Sep 2018, 16:17
Venus phase correctionRobert Bernecky23 Sep 2018, 15:54
Re: RestorationBrad Morris23 Sep 2018, 15:10
Re: Benchmark accuracyJohn D. Howard23 Sep 2018, 15:07
Re: GPS selective availabilityJohn D. Howard23 Sep 2018, 14:40
Re: Lindbergh-Weems Second-Setting WatchEd Popko23 Sep 2018, 14:09
Re: GPS selective availabilityDavid Pike23 Sep 2018, 11:23
Re: GPS selective availabilityRonald van Riet23 Sep 2018, 08:33
Re: RestorationFrank Atkins23 Sep 2018, 06:43
Re: GPS selective availabilityGeoffrey Kolbe23 Sep 2018, 05:41
Re: RestorationBill Morris23 Sep 2018, 02:56
Re: RestorationFrank Atkins23 Sep 2018, 01:28
Re: Archives of NavList discussions, images, and other filesJohn D. Howard23 Sep 2018, 01:13
Re: Benchmark accuracyBruce J. Pennino23 Sep 2018, 00:59
Re: Archives of NavList discussions, images, and other filesSean C23 Sep 2018, 00:27
Re: Benchmark accuracyJohn D. Howard22 Sep 2018, 23:44
Re: Prepare for Ice...Brad Morris22 Sep 2018, 22:45
Re: RestorationBrad Morris22 Sep 2018, 22:39
Re: Viking NavigationBrad Morris22 Sep 2018, 22:32
Benchmark accuracyLu Abel22 Sep 2018, 21:59
Re: Prepare for Ice...Frank Reed22 Sep 2018, 20:40
Re: Prepare for Ice...Frank Reed22 Sep 2018, 20:28
Re: GPS selective availabilityJohn D. Howard22 Sep 2018, 19:38
Re: Lindbergh-Weems Second-Setting WatchFrank Reed22 Sep 2018, 19:38
Re: Unexpected USNO height correction preceptsFrank Reed22 Sep 2018, 19:30
Re: Is Celestial Navigation really a backup to GPS Navigation?Francis Upchurch22 Sep 2018, 19:01
Re: Lindbergh-Weems Second-Setting WatchPaul Dolkas22 Sep 2018, 18:54
Viking NavigationLu Abel22 Sep 2018, 17:42
GPS selective availabilityGeoffrey Kolbe22 Sep 2018, 16:51
Re: All Haversine Time SightBrad Morris22 Sep 2018, 16:37
Re: Prepare for Ice...Michael Bradley22 Sep 2018, 15:34
Re: Prepare for Ice...Lars Bergman22 Sep 2018, 12:41
Re: Prepare for Ice...Robert VanderPol II22 Sep 2018, 12:35
Re: Lindbergh-Weems Second-Setting WatchEd Popko22 Sep 2018, 10:07
Re: Lindbergh-Weems Second-Setting WatchEd Popko22 Sep 2018, 10:05
Re: Prepare for Ice...Bill B22 Sep 2018, 07:59
Re: RestorationFrank Atkins22 Sep 2018, 07:55
Re: All Haversine Time SightBrian Walton22 Sep 2018, 06:34
Re: RestorationFrank Atkins22 Sep 2018, 06:11
Re: Lindbergh-Weems Second-Setting WatchPaul Dolkas22 Sep 2018, 05:08
Re: Prepare for Ice...David C22 Sep 2018, 05:07
Re: RestorationBrad Morris22 Sep 2018, 03:47
Re: Prepare for Ice...Frank Atkins22 Sep 2018, 03:43
Prepare for Ice...Frank Reed22 Sep 2018, 02:00
Re: RestorationFrank Atkins22 Sep 2018, 01:16
Re: RestorationBrad Morris21 Sep 2018, 23:30
Re: RestorationTony Oz21 Sep 2018, 21:33
Re: Lindbergh-Weems Second-Setting WatchTony Oz21 Sep 2018, 21:18
Archives of NavList discussions, images, and other filesFrank Reed21 Sep 2018, 18:15
Re: Is Celestial Navigation really a backup to GPS Navigation?Bob Goethe21 Sep 2018, 17:22
Re: Latitude from meridian observationRobin Stuart21 Sep 2018, 15:00
Lindbergh-Weems Second-Setting WatchEd Popko21 Sep 2018, 14:08
Re: Is Celestial Navigation really a backup to GPS Navigation?Ed Popko21 Sep 2018, 13:52
Re: Latitude from meridian observationFrank Reed20 Sep 2018, 23:42
Latitude from meridian observationPaul Hirose20 Sep 2018, 20:28
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed20 Sep 2018, 17:48
Re: The LunarsFrank Reed20 Sep 2018, 17:34
Re: Is Celestial Navigation really a backup to GPS Navigation?Tom Sult20 Sep 2018, 17:32
Re: Unexpected USNO height correction preceptsFrank Reed20 Sep 2018, 17:24
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed20 Sep 2018, 16:28
RestorationFrank Atkins20 Sep 2018, 01:44
Re: Is Celestial Navigation really a backup to GPS Navigation?Gary LaPook19 Sep 2018, 23:27
Re: Is Celestial Navigation really a backup to GPS Navigation?Gary LaPook19 Sep 2018, 23:05
Re: Unexpected USNO height correction preceptsPaul Hirose19 Sep 2018, 22:26
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris19 Sep 2018, 18:59
The LunarsSteve E. Bryant19 Sep 2018, 16:52
Re: Is Celestial Navigation really a backup to GPS Navigation?Richard B. Langley19 Sep 2018, 12:18
Re: Unexpected USNO height correction preceptsPaul Hirose19 Sep 2018, 07:28
Re: Is Celestial Navigation really a backup to GPS Navigation?Paul Hirose19 Sep 2018, 07:27
Re: News from Stan KAndrés Ruiz19 Sep 2018, 06:16
Re: News from Stan KSean C19 Sep 2018, 02:16
Vintage US Navy Celestial Navigation filmsFrank Reed19 Sep 2018, 01:43
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed19 Sep 2018, 00:49
News from Stan KFrank Reed19 Sep 2018, 00:31
Re: Questions about Celestial NavigationFrank Reed19 Sep 2018, 00:16
Re: Questions about Celestial NavigationGary LaPook18 Sep 2018, 21:46
Re: Questions about Celestial NavigationJohn D. Howard18 Sep 2018, 19:24
Re: Questions about Celestial NavigationRobert VanderPol II18 Sep 2018, 16:43
Re: Questions about Celestial NavigationJohn D. Howard18 Sep 2018, 16:15
Re: Unexpected USNO height correction preceptsAndrés Ruiz18 Sep 2018, 14:58
Re: Questions about Celestial NavigationBrad Morris18 Sep 2018, 14:44
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris18 Sep 2018, 14:28
Re: Questions about Celestial NavigationFrancis Upchurch18 Sep 2018, 10:56
Re: Is Celestial Navigation really a backup to GPS Navigation?Gary LaPook18 Sep 2018, 10:24
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris18 Sep 2018, 05:45
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris18 Sep 2018, 03:36
Re: John Wesley Powell's 1869 Lunar Observations from Grand CanyonFrank Reed18 Sep 2018, 00:45
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed17 Sep 2018, 20:56
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris17 Sep 2018, 19:40
John Wesley Powell's 1869 Lunar Observations from Grand CanyonStephen M Kerst17 Sep 2018, 18:58
Unexpected USNO height correction preceptsAntoine Couëtte17 Sep 2018, 15:22
Re: Questions about Celestial NavigationDerrick Young16 Sep 2018, 18:48
Re: Questions about Celestial NavigationBruce Cutting16 Sep 2018, 16:56
Re: Questions about Celestial NavigationMeg Wilson16 Sep 2018, 10:53
Re: King's Point US Merchant Marine AdFrank Atkins15 Sep 2018, 06:52
Re: King's Point US Merchant Marine AdJeremy C15 Sep 2018, 06:28
Re: Questions about Celestial NavigationFrank Reed15 Sep 2018, 04:10
Re: French Nautical Almanac for the year 1819Frank Reed15 Sep 2018, 04:05
Re: Questions about Celestial NavigationFrancis Upchurch14 Sep 2018, 17:56
Re: Questions about Celestial NavigationFrancis Upchurch14 Sep 2018, 03:48
Re: King's Point US Merchant Marine AdRobert VanderPol II14 Sep 2018, 02:43
Re: King's Point US Merchant Marine AdBob Goethe13 Sep 2018, 22:49
Re: Questions about Celestial NavigationBrad Morris13 Sep 2018, 18:02
Re: King's Point US Merchant Marine AdFrancis Upchurch13 Sep 2018, 18:00
Re: Celestial Tools V5.7.0Sam Lyness13 Sep 2018, 17:39
King's Point US Merchant Marine AdJackson McDonald13 Sep 2018, 15:17
Re: Celestial Tools V5.7.0Dave Walden13 Sep 2018, 12:05
Re: French Nautical Almanac for the year 1819Frank Reed12 Sep 2018, 23:07
Polynesian navigationPaul Hirose12 Sep 2018, 19:10
Re: Questions about Celestial NavigationFrancis Upchurch12 Sep 2018, 17:55
Celestial Tools V5.7.0Stan K12 Sep 2018, 16:32
Re: All Haversine FixTony Oz12 Sep 2018, 15:45
Re: Jan 1925 day change haunts us still...Robert Wyatt12 Sep 2018, 14:40
Re: Questions about Celestial NavigationJohn D. Howard12 Sep 2018, 14:19
Re: Questions about Celestial NavigationBrad Morris12 Sep 2018, 13:59
Re: GPS Selective AvailabilityRichard B. Langley12 Sep 2018, 12:24
Re: Is Celestial Navigation really a backup to GPS Navigation?Richard B. Langley12 Sep 2018, 12:14
GPS Selective AvailabilityDavid Pike12 Sep 2018, 06:50
Re: Questions about Celestial NavigationGeoffrey Kolbe12 Sep 2018, 05:50
Re: Is Celestial Navigation really a backup to GPS Navigation?Peter Monta12 Sep 2018, 04:22
Jan 1925 day change haunts us still...Frank Reed12 Sep 2018, 02:59
YouTube Short on Early NavigationGreg Rudzinski11 Sep 2018, 22:10
Re: Questions about Celestial NavigationJeremy C11 Sep 2018, 22:01
Re: Is Celestial Navigation really a backup to GPS Navigation?Jeremy C11 Sep 2018, 21:27
WWV may be shut downKeith Sternberg11 Sep 2018, 19:33
Re: Questions about Celestial NavigationJohn D. Howard11 Sep 2018, 19:11
Re: Questions about Celestial NavigationDon Seltzer11 Sep 2018, 18:48
Re: All Haversine FixGreg Rudzinski11 Sep 2018, 18:40
Re: Questions about Celestial NavigationGreg Rudzinski11 Sep 2018, 18:30
Re: Questions about Celestial NavigationChris Willmes11 Sep 2018, 18:08
Re: Questions about Celestial NavigationFrank Reed11 Sep 2018, 17:35
Re: Questions about Celestial NavigationBob Goethe11 Sep 2018, 17:28
Re: Questions about Celestial NavigationRobert VanderPol II11 Sep 2018, 15:30
All Haversine FixLars Bergman11 Sep 2018, 13:57
Re: Questions about Celestial NavigationPeter Monta11 Sep 2018, 10:52
Re: Questions about Celestial NavigationFrank Atkins11 Sep 2018, 06:01
Re: Is Celestial Navigation really a backup to GPS Navigation?Geoffrey Kolbe11 Sep 2018, 05:51
Re: Questions about Celestial NavigationBrad Morris11 Sep 2018, 03:01
Questions about Celestial NavigationFrank Reed11 Sep 2018, 00:49
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed11 Sep 2018, 00:26
Re: Is Celestial Navigation really a backup to GPS Navigation?Roger W. Sinnott10 Sep 2018, 23:53
Re: Is Celestial Navigation really a backup to GPS Navigation?Brad Morris10 Sep 2018, 21:14
Re: Astronomy DLL for .NET: SofaJpl 2.1.2 releasedPaul Hirose10 Sep 2018, 19:48
Re: Astronomy DLL for .NET: SofaJpl 2.1.2 releasedAntoine Couëtte10 Sep 2018, 11:51
Re: Is Celestial Navigation really a backup to GPS Navigation?Jeremy C10 Sep 2018, 09:31
Re: T Hav Doniol Sumner LOP ExampleHerman Dekker10 Sep 2018, 06:23
Re: Astronomy DLL for .NET: SofaJpl 2.1.2 releasedPaul Hirose10 Sep 2018, 05:23
Re: Uncommon navigational declination chart, 1850sGreg Rudzinski10 Sep 2018, 00:26
Uncommon navigational declination chart, 1850sJackson McDonald9 Sep 2018, 22:55
T Hav Doniol Sumner LOP ExampleGreg Rudzinski9 Sep 2018, 17:58
French Nautical Almanac for the year 1819Frank Reed9 Sep 2018, 17:27
Re: Is Celestial Navigation really a backup to GPS Navigation?Frank Reed9 Sep 2018, 17:19
Re: All Haversine Time SightTony Oz9 Sep 2018, 07:53
Re: All Haversine Time SightTony Oz9 Sep 2018, 07:46
Re: All Haversine Time SightBrian Walton9 Sep 2018, 06:15
Re: All Haversine Time SightGreg Rudzinski8 Sep 2018, 23:23
Re: All Haversine Time SightGreg Rudzinski8 Sep 2018, 22:13
Re: All Haversine Time SightTony Oz8 Sep 2018, 22:12
Re: All Haversine Time SightGreg Rudzinski8 Sep 2018, 21:36
Re: All Haversine Time SightTony Oz8 Sep 2018, 20:59
Re: Mapquest coordinatesBrad Morris8 Sep 2018, 19:16
Re: All Haversine Time SightGreg Rudzinski8 Sep 2018, 17:06
Mapquest coordinatesMike Burkes8 Sep 2018, 15:31
All Haversine Time SightGreg Rudzinski7 Sep 2018, 20:10
Re: GPS Anti Spoof appÖrjan Sandström7 Sep 2018, 17:39
Is Celestial Navigation really a backup to GPS Navigation?Brad Morris6 Sep 2018, 16:36
Re: GPS Anti Spoof appTony Oz6 Sep 2018, 16:18
Re: Android Celestial Nav AppsAndrés Ruiz6 Sep 2018, 04:47
Re: Android Celestial Nav AppsGreg Rudzinski6 Sep 2018, 02:12
Re: Spotted a sextantMark Anthony Spinaze3 Sep 2018, 09:27
Re: Space station sextant experimentRobert Pearson5 Sep 2018, 17:53
Android Celestial Nav AppsMark Coady5 Sep 2018, 16:58
Re: Space station sextant experimentDave Walden5 Sep 2018, 11:19
Space station sextant experimentPaul Hirose5 Sep 2018, 02:45
Re: Radio time signals disappearGene Vialle4 Sep 2018, 20:34
Re: Radio time signals disappearGary LaPook4 Sep 2018, 19:32
Re: Radio time signals disappearTony Oz4 Sep 2018, 11:11
Re: Radio time signals disappearJeremy C4 Sep 2018, 09:56
Re: Radio time signals disappearRobert VanderPol II4 Sep 2018, 04:22
Re: Radio time signals disappearDavid Pike3 Sep 2018, 22:26
Re: Bowditch, the New American Practical Navigator, First EditionFrank Reed3 Sep 2018, 21:40
Re: A Lunar I wish I saw...Frank Reed3 Sep 2018, 21:07
Bowditch, the New American Practical Navigator, First EditionJackson McDonald3 Sep 2018, 21:06
Re: Radio time signals disappearGene Vialle3 Sep 2018, 20:23
Re: A Lunar I wish I saw...Antoine Couëtte3 Sep 2018, 15:53
A Lunar I wish I saw...Tony Oz3 Sep 2018, 08:40
Navigation Spreadsheets in 2019Peter Hakel2 Sep 2018, 22:40
Re: EU Backs Ending Daylight Saving TimeÖrjan Sandström2 Sep 2018, 11:57
Re: EU Backs Ending Daylight Saving TimeDavid Pike1 Sep 2018, 19:46
EU Backs Ending Daylight Saving TimeSean C1 Sep 2018, 05:16
Astronomy DLL for .NET: SofaJpl 2.1.2 releasedPaul Hirose29 Aug 2018, 23:44
Re: Quiet Month for NavListFrank Atkins29 Aug 2018, 10:10
Re: 1870s navigationGary LaPook29 Aug 2018, 07:03
Re: Radio time signals disappearJohn D. Howard29 Aug 2018, 01:41
Re: Radio time signals disappearRobert VanderPol II28 Aug 2018, 23:47
Re: 1870s navigationFrank Reed28 Aug 2018, 19:37
Re: Beginner's questionAndrés Ruiz28 Aug 2018, 06:32
Re: Radio time signals disappearFrank Reed28 Aug 2018, 02:02
Re: Radio time signals disappearSean C28 Aug 2018, 01:22
Re: Radio time signals disappearEd Popko27 Aug 2018, 22:16
Re: Radio time signals disappearMike Mayer27 Aug 2018, 21:28
Re: Radio time signals disappearJohn D. Howard27 Aug 2018, 19:27
Re: Radio time signals disappearBrad Morris27 Aug 2018, 17:50
Re: Beginner's questionGreg Rudzinski27 Aug 2018, 15:46
Re: Where in the world?Andrés Ruiz27 Aug 2018, 12:52
Re: Radio time signals disappearRoger W. Sinnott27 Aug 2018, 09:38
Re: Beginner's questionMichael Bradley27 Aug 2018, 09:08
Re: Beginner's questionDon Seltzer27 Aug 2018, 02:56
Re: Beginner's questionMichael Bradley26 Aug 2018, 23:19
Re: Where in the world?Hewitt Schlereth26 Aug 2018, 20:58
Re: Beginner's questionGreg Rudzinski26 Aug 2018, 20:13
Re: Where in the world?Örjan Sandström26 Aug 2018, 19:59
Beginner's questionChris Allison26 Aug 2018, 17:34
Re: Who is Where on the Globe?Frank Atkins26 Aug 2018, 07:17
Re: Who is Where on the Globe?Geoffrey Kolbe26 Aug 2018, 06:45
Re: Who is Where on the Globe?Frank Atkins26 Aug 2018, 05:03
Re: Soviet navy emergency navigation manual (Pub.9049)Paul Dolkas26 Aug 2018, 02:46
Re: Where in the world?Sean C26 Aug 2018, 00:57
Re: Where in the world?Sean C26 Aug 2018, 00:12
Re: Where in the world?Hewitt Schlereth25 Aug 2018, 22:19
Re: Where in the world?Sean C25 Aug 2018, 00:47
Re: Where in the world?Ron Jones24 Aug 2018, 00:28
Re: Where in the world?Ron Jones23 Aug 2018, 22:35
Re: Where in the world?Frank Reed23 Aug 2018, 18:15
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz23 Aug 2018, 13:38
Re: Where in the world?Antoine Couëtte22 Aug 2018, 13:05
Re: Where in the world?.Lars Bergman22 Aug 2018, 10:13
Re: Where in the world?.Paul Bedel21 Aug 2018, 20:45
Re: 1870s navigationGary LaPook21 Aug 2018, 19:01
Re: Spotted a sextantFrank Reed21 Aug 2018, 05:29
Re: Spotted a sextantFrank Reed21 Aug 2018, 01:09
Re: Where in the world?Frank Reed20 Aug 2018, 20:25
Where in the world?Ron Jones20 Aug 2018, 19:28
Re: Spotted a sextantDon Seltzer20 Aug 2018, 16:21
Re: Spotted a sextantGreg Rudzinski20 Aug 2018, 16:01
Re: Spotted a sextantFrancis Upchurch20 Aug 2018, 07:12
Re: Spotted a sextantGeoffrey Kolbe20 Aug 2018, 05:16
Re: Spotted a sextantFrank Reed20 Aug 2018, 02:57
Re: Spotted a sextantBrad Morris20 Aug 2018, 02:46
Re: Spotted a sextantMark Coady19 Aug 2018, 21:14
Re: Spotted a sextantGreg Rudzinski19 Aug 2018, 19:12
Spotted a sextantFrank Reed19 Aug 2018, 18:53
My New ToySean C19 Aug 2018, 05:00
Re: The "bris" and Moon LoP?Sean C19 Aug 2018, 04:01
Re: Time and frequency from electrical power linesFrank Reed19 Aug 2018, 02:00
Re: Does anyone know what this is?Frank Reed19 Aug 2018, 01:36
Re: The "bris" and Moon LoP?Greg Rudzinski18 Aug 2018, 22:18
Re: The "bris" and Moon LoP?Frank Reed18 Aug 2018, 21:20
Re: Who is Where on the Globe?Mark Coady18 Aug 2018, 01:49
Re: Time and frequency from electrical power linesRoger W. Sinnott17 Aug 2018, 22:29
Re: Does anyone know what this is?Brad Morris17 Aug 2018, 18:10
Re: The "bris" and Moon LoP?Greg Rudzinski17 Aug 2018, 15:22
Re: Who is Where on the Globe?Robert VanderPol II17 Aug 2018, 12:28
Re: The "bris" and Moon LoP?Tony Oz17 Aug 2018, 11:31
Re: Does anyone know what this is?David Pike17 Aug 2018, 10:49
Re: Does anyone know what this is?David Pike17 Aug 2018, 08:16
Does anyone know what this is?Doug MacPherson17 Aug 2018, 04:28
Re: Who is Where on the Globe?Sean C17 Aug 2018, 03:54
Re: Who is Where on the Globe?Frank Reed17 Aug 2018, 01:39
Re: Who is Where on the Globe?Robert VanderPol II17 Aug 2018, 01:00
Re: The "bris" and Moon LoP?Greg Rudzinski16 Aug 2018, 22:58
Navigation Presentation in NYC, Sep. 15Frank Reed16 Aug 2018, 19:50
Re: The "bris" and Moon LoP?Frank Reed16 Aug 2018, 17:15
"Bris" calibration: to Hc vs to Hs. Accuracy?Tony Oz16 Aug 2018, 16:42
Re: ADMIN: NavList Operations contributionsFrank Reed16 Aug 2018, 16:13
Re: Who is Where on the Globe?Frank Reed16 Aug 2018, 03:24
Re: Who is Where on the Globe?Gerald van Wilgen16 Aug 2018, 02:33
Re: Who is Where on the Globe?Brad Morris15 Aug 2018, 21:57
Re: The "bris" and Moon LoP?Greg Rudzinski15 Aug 2018, 15:27
Re: The "bris" and Moon LoP?Tony Oz15 Aug 2018, 09:05
Re: Who is Where on the Globe?Tony Oz15 Aug 2018, 08:54
Re: Who is Where on the Globe?David Pike15 Aug 2018, 06:20
Re: Death to the Mercator ProjectionSean C15 Aug 2018, 05:36
Re: Who is Where on the Globe?Herman Dekker15 Aug 2018, 03:31
Re: Death to the Mercator ProjectionFrank Reed15 Aug 2018, 03:28
Re: Death to the Mercator ProjectionDavid C15 Aug 2018, 02:55
Re: Death to the Mercator ProjectionDavid C15 Aug 2018, 02:26
Re: Who is Where on the Globe?John D. Howard15 Aug 2018, 01:10
Who is Where on the Globe?Herman Dekker15 Aug 2018, 00:41
ADMIN: NavList Operations contributionsFrank Reed14 Aug 2018, 23:29
Time and frequency from electrical power linesPaul Hirose14 Aug 2018, 22:03
Re: Radio time signals disappearPaul Hirose14 Aug 2018, 21:50
Re: Death to the Mercator ProjectionFrank Reed14 Aug 2018, 20:28
Re: The "bris" and Moon LoP?Greg Rudzinski14 Aug 2018, 17:46
Re: The "bris" and Moon LoP?Greg Rudzinski14 Aug 2018, 17:02
Re: Radio time signals disappearTony Oz14 Aug 2018, 16:02
Re: Death to the Mercator ProjectionJohn D. Howard14 Aug 2018, 16:01
Equal Earth Map ProjectionGary Chambers14 Aug 2018, 11:37
Re: Death to the Mercator ProjectionDavid Pike14 Aug 2018, 10:35
Re: Radio time signals disappearBill Lionheart14 Aug 2018, 10:27
The "bris" and Moon LoP?Tony Oz14 Aug 2018, 10:27
Re: Death to the Mercator ProjectionDavid Pike14 Aug 2018, 09:31
Re: Radio time signals disappearSean C14 Aug 2018, 04:57
Re: Practical Radar PlottingJohn D. Howard14 Aug 2018, 04:01
Re: Death to the Mercator ProjectionJohn D. Howard14 Aug 2018, 03:48
Re: Radio time signals disappearMike Mayer14 Aug 2018, 00:20
Practical Radar PlottingMark Coady13 Aug 2018, 18:52
Re: Death to the Mercator ProjectionDavid Pike13 Aug 2018, 08:38
Re: Radio time signals disappearSean C13 Aug 2018, 05:48
Re: Death to the Mercator ProjectionJohn D. Howard12 Aug 2018, 15:41
Re: Death to the Mercator ProjectionTom Sult12 Aug 2018, 14:36
Re: Death to the Mercator ProjectionMark Coady12 Aug 2018, 02:36
Re: Nautical AlmanacGary LaPook12 Aug 2018, 02:03
Re: Nautical AlmanacSean C12 Aug 2018, 00:52
Re: Death to the Mercator ProjectionJohn D. Howard12 Aug 2018, 00:30
Re: Death to the Mercator ProjectionTracy Shrier11 Aug 2018, 23:43
Re: Nautical AlmanacPaul Hirose11 Aug 2018, 23:40
Re: Radio time signals disappearPaul Hirose11 Aug 2018, 22:59
Re: Nautical AlmanacMike Burkes11 Aug 2018, 19:46
Re: Nautical AlmanacJean-Philippe Planas11 Aug 2018, 11:08
Re: Nautical AlmanacSean C11 Aug 2018, 06:25
Re: Nautical AlmanacRobert VanderPol II11 Aug 2018, 02:28
Re: Nautical AlmanacAlan S10 Aug 2018, 22:10
Nautical AlmanacMike Burkes10 Aug 2018, 19:28
Death to the Mercator ProjectionFrank Reed10 Aug 2018, 02:42
Re: Radio time signals disappearRichard Easton9 Aug 2018, 18:04
Re: 1870s navigationFrank Reed9 Aug 2018, 15:51
Re: 1870s navigationGary LaPook9 Aug 2018, 06:53
Re: Radio time signals disappearFrank Reed8 Aug 2018, 23:57
Re: Radio time signals disappearHerbert Prinz8 Aug 2018, 23:41
Re: Radio time signals disappearRobert Wyatt8 Aug 2018, 17:04
Re: Radio time signals disappearFrancis Upchurch8 Aug 2018, 14:09
Re: Radio time signals disappearRichard B. Langley8 Aug 2018, 12:59
Re: Radio time signals disappearGeoffrey Kolbe8 Aug 2018, 05:28
Re: 1870s navigationGreg Rudzinski7 Aug 2018, 20:55
Re: 1870s navigationGary LaPook7 Aug 2018, 17:27
Re: 1870s navigationGary LaPook7 Aug 2018, 17:26
Re: It's four-planet fix time...Antoine Couëtte7 Aug 2018, 17:22
Radio time signals disappearHerman Dekker7 Aug 2018, 16:39
Re: 1870s navigationGreg Rudzinski6 Aug 2018, 19:22
Re: 1870s navigationAlexandre Eremenko6 Aug 2018, 17:18
Re: 1870s navigationFrank Reed6 Aug 2018, 15:34
1870s navigationHarry Lewis6 Aug 2018, 12:09
Re: Gnomonic charts and distancesTony Oz6 Aug 2018, 09:56
Re: It's four-planet fix time...Antoine Couëtte6 Aug 2018, 04:15
Re: It's four-planet fix time...Greg Rudzinski5 Aug 2018, 18:17
Re: It's four-planet fix time...Lu Abel5 Aug 2018, 17:21
Re: It's four-planet fix time...Antoine Couëtte5 Aug 2018, 16:21
Re: It's four-planet fix time...Greg Rudzinski4 Aug 2018, 23:51
Re: It's four-planet fix time...Bruce Cutting4 Aug 2018, 23:12
Re: It's four-planet fix time...Derrick Young4 Aug 2018, 23:00
Re: It's four-planet fix time...Greg Rudzinski4 Aug 2018, 17:15
Re: It's four-planet fix time...Greg Rudzinski3 Aug 2018, 18:15
Bris Sextant ProjectsGreg Rudzinski3 Aug 2018, 17:55
It's four-planet fix time...Frank Reed3 Aug 2018, 17:43
Re: "Horns" of the Moon are relatively horizontal?Frank Reed1 Aug 2018, 17:59
Re: "Horns" of the Moon are relatively horizontal?Tony Oz1 Aug 2018, 13:15
GNSS launchesFrank Reed31 Jul 2018, 17:22
Re: "Horns" of the Moon are relatively horizontal?Tony Oz31 Jul 2018, 15:44
Re: François Coudraye, anyone?Roger W. Sinnott31 Jul 2018, 12:56
Re: "Horns" of the Moon are relatively horizontal?Tony Oz31 Jul 2018, 09:03
Re: François Coudraye, anyone?Frank Reed31 Jul 2018, 02:53
Re: François Coudraye, anyone?Roger W. Sinnott31 Jul 2018, 02:21
Re: "Horns" of the Moon are relatively horizontal?Herman Dekker31 Jul 2018, 02:07
Re: François Coudraye, anyone?Marcel Tschudin30 Jul 2018, 20:40
Re: Longitude Without Time - 1977 Luce ArticleFrancis Upchurch30 Jul 2018, 20:16
Re: François Coudraye, anyone?Murray Peake30 Jul 2018, 20:07
Re: François Coudraye, anyone?Marcel Tschudin30 Jul 2018, 19:55
Re: François Coudraye, anyone?Murray Peake30 Jul 2018, 19:41
Re: François Coudraye, anyone?Murray Peake30 Jul 2018, 19:34
Re: "Horns" of the Moon are relatively horizontal?Tony Oz30 Jul 2018, 17:13
Re: "Horns" of the Moon are relatively horizontal?Geoffrey Kolbe30 Jul 2018, 17:11
François Coudraye, anyone?Roger W. Sinnott30 Jul 2018, 16:50
Re: "Horns" of the Moon are relatively horizontal?Robert Wyatt30 Jul 2018, 16:04
Re: Celestial navigation and the spherical EarthMark Coady30 Jul 2018, 13:09
"Horns" of the Moon are relatively horizontal?Herman Dekker30 Jul 2018, 08:16
Re: Celestial navigation and the spherical EarthBrian Walton30 Jul 2018, 07:31
Celestial navigation and the spherical EarthFrank Reed30 Jul 2018, 05:36
Re: Longitude Without Time - 1977 Luce ArticleFrank Reed30 Jul 2018, 04:45
Re: Longitude Without Time - 1977 Luce ArticleMark Coady29 Jul 2018, 18:45
Re: Longitude Without Time - 1977 Luce ArticleMark Coady29 Jul 2018, 14:04
Re: Traditional navigation by slide ruleGary LaPook28 Jul 2018, 23:11
Longitude Without Time - 1977 Luce ArticleHewitt Schlereth28 Jul 2018, 21:25
Re: How to See Mars OppositionFrank Reed27 Jul 2018, 18:24
Re: How to See Mars OppositionDave Walden27 Jul 2018, 17:19
Re: Origins of civilian use of GPSRichard B. Langley27 Jul 2018, 12:01
How to See Mars OppositionJackson McDonald27 Jul 2018, 01:43
Re: How close without a good Lunar?Hewitt Schlereth27 Jul 2018, 00:14
Re: Traditional navigation by slide ruleAlan S26 Jul 2018, 21:20
Re: Longest total lunar eclipse in the 21st centuryBrad Morris26 Jul 2018, 19:57
Re: How close without a good Lunar?Francis Upchurch26 Jul 2018, 19:13
Re: Origins of civilian use of GPSRichard Easton26 Jul 2018, 19:04
Re: Origins of civilian use of GPSRichard Easton26 Jul 2018, 18:57
Re: How close without a good Lunar?Hewitt Schlereth26 Jul 2018, 14:13
Longest total lunar eclipse in the 21st centuryAndrés Ruiz26 Jul 2018, 05:48
Re: How close without a good Lunar?Greg Rudzinski25 Jul 2018, 22:05
Re: How close without a good Lunar?Brad Morris25 Jul 2018, 20:15
Re: How close without a good Lunar?Francis Upchurch25 Jul 2018, 15:39
Re: How close without a good Lunar?Francis Upchurch25 Jul 2018, 13:04
Re: How close without a good Lunar?Herbert Prinz25 Jul 2018, 07:51
Re: How close without a good Lunar?Andrés Ruiz25 Jul 2018, 07:39
Re: How close without a good Lunar?Peter Monta25 Jul 2018, 06:58
Re: How close without a good Lunar?Francis Upchurch24 Jul 2018, 16:23
Re: How close without a good Lunar?Robert VanderPol II24 Jul 2018, 13:08
Re: How close without a good Lunar?Francis Upchurch24 Jul 2018, 09:39
Re: Tips and tricks: angle normalisationTony Oz24 Jul 2018, 08:18
Re: How close without a good Lunar?Greg Rudzinski24 Jul 2018, 04:51
How close without a good Lunar?Mark Coady24 Jul 2018, 02:39
Re: Origins of civilian use of GPSLu Abel23 Jul 2018, 21:48
Re: Origins of civilian use of GPSRoger W. Sinnott23 Jul 2018, 21:01
Re: Origins of civilian use of GPSFrank Reed23 Jul 2018, 18:48
Re: Tips and tricks: angle normalisationFrank Reed23 Jul 2018, 18:13
Lunar parallax via photographyPeter Monta23 Jul 2018, 18:10
Tips and tricks: angle normalisationTony Oz23 Jul 2018, 15:44
Re: Origins of civilian use of GPSJoe Dempster23 Jul 2018, 10:35
Re: Origins of civilian use of GPSGary LaPook23 Jul 2018, 05:50
Re: Origins of civilian use of GPSFrank Reed23 Jul 2018, 03:27
GGR: a dozen still racingFrank Reed23 Jul 2018, 02:36
Re: Origins of civilian use of GPSRoger W. Sinnott23 Jul 2018, 01:10
Re: Did transistors transform celestial navigation?Frank Reed22 Jul 2018, 23:48
Re: Origins of civilian use of GPSFrank Reed22 Jul 2018, 23:19
Re: Origins of civilian use of GPSFrank Reed22 Jul 2018, 21:35
Re: Mid-Atlantic broadbandBill B22 Jul 2018, 20:06
Mid-Atlantic broadbandFrank Reed22 Jul 2018, 19:53
Re: How to calculate location of the Earth on the moon (lunar eclipses)?David Fleming21 Jul 2018, 17:14
Re: The Moon on Moon DayFrank Reed20 Jul 2018, 23:50
The Moon on Moon DayFrank Reed20 Jul 2018, 23:15
How to calculate location of the Earth on the moon (lunar eclipses)?Ziad Anas20 Jul 2018, 22:57
Windows 10 will get better at telling time with new leap second supportAndrés Ruiz20 Jul 2018, 06:16
Re: Better/easier GHA(Aries) formula?Frank Reed20 Jul 2018, 05:59
Re: Better/easier GHA(Aries) formula?Sean C20 Jul 2018, 05:54
Re: Better/easier GHA(Aries) formula?Tony Oz19 Jul 2018, 15:01
Re: Chart Plotting Pencil LeadsGreg Rudzinski19 Jul 2018, 02:46
Re: Chart Plotting Pencil LeadsWilliam Edward Henry19 Jul 2018, 01:05
Re: Bowditch 1802 - First editionSam Lyness19 Jul 2018, 00:17
Re: Chart Plotting Pencil LeadsAlan S19 Jul 2018, 00:02
Re: Did transistors transform celestial navigation?David C18 Jul 2018, 22:44
Re: Better/easier GHA(Aries) formula?Tony Oz18 Jul 2018, 11:12
Re: Better/easier GHA(Aries) formula?Tony Oz18 Jul 2018, 08:15
Re: Better/easier GHA(Aries) formula?Gary LaPook18 Jul 2018, 06:47
Re: Did transistors transform celestial navigation?Geoffrey Kolbe18 Jul 2018, 06:44
Re: Did transistors transform celestial navigation?Bob Goethe17 Jul 2018, 23:10
Re: Did transistors transform celestial navigation?Bob Goethe17 Jul 2018, 22:54
Re: Better/easier GHA(Aries) formula?Sean C17 Jul 2018, 22:25
Re: Better/easier GHA(Aries) formula?Frank Reed17 Jul 2018, 18:29
Better/easier GHA(Aries) formula?Tony Oz17 Jul 2018, 11:16
Re: Venus Moon CPA TonightDavid Smith17 Jul 2018, 10:15
Re: What is this Slide Rule?David C17 Jul 2018, 02:07
Re: Shiny and golden? It's not a real sextantFrank Reed16 Jul 2018, 16:52
Re: Shiny and golden? It's not a real sextantJim Hickey16 Jul 2018, 14:39
Re: Venus Moon CPA TonightEd Popko16 Jul 2018, 09:56
Venus Moon CPA TonightGreg Rudzinski16 Jul 2018, 03:56
Bowditch 1802 - First editionJackson McDonald15 Jul 2018, 22:45
Re: Shiny and golden? It's not a real sextantNorm Goldblatt15 Jul 2018, 20:56
Re: What is this Slide Rule?Francis Upchurch15 Jul 2018, 19:27
Re: Shiny and golden? It's not a real sextantEd Popko15 Jul 2018, 19:07
Re: What is this Slide Rule?Francis Upchurch15 Jul 2018, 18:54
Shiny and golden? It's not a real sextantFrank Reed15 Jul 2018, 18:48
Re: What is this Slide Rule?Frank Reed15 Jul 2018, 18:37
Re: What is this Slide Rule?Francis Upchurch15 Jul 2018, 18:19
Re: What is this Slide Rule?Noell Wilson15 Jul 2018, 14:44
19th century navigation time systemsEd Popko15 Jul 2018, 07:01
Re: What is this Slide Rule?Francis Upchurch15 Jul 2018, 05:01
Re: What is this Slide Rule?Greg Rudzinski15 Jul 2018, 03:45
What is this Slide Rule?David C15 Jul 2018, 02:54
Re: Did transistors transform celestial navigation?David Pike14 Jul 2018, 21:59
Re: Did transistors transform celestial navigation?Ed Popko14 Jul 2018, 15:49
Re: Did transistors transform celestial navigation?John D. Howard14 Jul 2018, 14:15
Re: Reading degrees on a sextantEd Popko14 Jul 2018, 11:12
Re: Reading degrees on a sextantMichael Bradley14 Jul 2018, 10:08
Re: Did transistors transform celestial navigation?David C14 Jul 2018, 09:18
Re: Did transistors transform celestial navigation?Wolfgang Köberer14 Jul 2018, 09:10
Re: Did transistors transform celestial navigation?Alexandre Eremenko14 Jul 2018, 08:03
Re: Did transistors transform celestial navigation?Francis Upchurch14 Jul 2018, 05:11
Re: Did transistors transform celestial navigation?Mark Coady14 Jul 2018, 03:18
Did transistors transform celestial navigation?Frank Reed14 Jul 2018, 00:21
Reading degrees on a sextantFrank Reed13 Jul 2018, 22:42
Re: Repair for John Carter Chronometer Cornhill 738 circa 1862Barry Carter11 Jul 2018, 13:57
Re: Sextant in Avro VulcanDavid Pike11 Jul 2018, 09:09
Re: Sextant in Avro VulcanCharles McElhill10 Jul 2018, 20:58
Sextant in Avro VulcanFrank Reed10 Jul 2018, 00:08
Re: Meridian-anchored Noon SunPaul Hughes9 Jul 2018, 17:43
Re: Meridian-anchored Noon SunPeter Monta9 Jul 2018, 17:38
Re: Meridian-anchored Noon SunDavid Fleming8 Jul 2018, 20:18
Re: Meridian-anchored Noon SunPeter Monta8 Jul 2018, 15:59
Repair for John Carter Chronometer Cornhill 738 circa 1862Ron Legacy7 Jul 2018, 19:27
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?Tracy Shrier7 Jul 2018, 16:53
Re: Negative v correctionTerry Syrokosz6 Jul 2018, 23:38
Re: Origins of civilian use of GPSPeter Monta6 Jul 2018, 15:58
Re: Negative v correctionStan K5 Jul 2018, 20:01
Re: Negative v correctionGary LaPook5 Jul 2018, 19:18
Re: Negative v correctionTerry Syrokosz5 Jul 2018, 17:13
Re: Negative v correctionTerry Syrokosz5 Jul 2018, 17:05
Re: Negative v correctionStan K5 Jul 2018, 15:58
Negative v correctionTerry Syrokosz5 Jul 2018, 15:00
Re: Origins of civilian use of GPSRichard B. Langley5 Jul 2018, 13:29
Origins of civilian use of GPSRichard Easton4 Jul 2018, 22:42
Re: Starting a poem for Lunars & a new wobbly sight platform.Ed Popko4 Jul 2018, 10:05
Re: Golden Globe Race 2018 startDavid C4 Jul 2018, 07:37
Re: Year USNO launched Celestial Navigation Data webpageDavid C4 Jul 2018, 07:22
Re: Starting a poem for Lunars & a new wobbly sight platform.Mark Coady4 Jul 2018, 04:13
Starting a poem for Lunars & a new wobbly sight platform.Mark Coady4 Jul 2018, 03:29
Re: Year USNO launched Celestial Navigation Data webpageGary LaPook3 Jul 2018, 00:48
Re: Year USNO launched Celestial Navigation Data webpageFrank Reed2 Jul 2018, 23:06
Year USNO launched Celestial Navigation Data webpageEd Popko2 Jul 2018, 21:35
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?Bob Peterson1 Jul 2018, 16:58
Re: Golden Globe Race 2018 startTom Sult1 Jul 2018, 16:31
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?Alejandro Purgue1 Jul 2018, 16:08
Re: Golden Globe Race 2018 startGreg Rudzinski1 Jul 2018, 16:08
Golden Globe Race 2018 startLuc Van den Borre1 Jul 2018, 14:07
Re: Camera Bris Sextant ExerciseGreg Rudzinski30 Jun 2018, 21:17
Re: What Three Words at seaGary LaPook30 Jun 2018, 19:58
Re: Chronometer repair: Has anyone dealt with Historic timekeepers?John Tygart30 Jun 2018, 14:37
Re: What Three Words at seaEd Popko30 Jun 2018, 11:48
Re: What Three Words at seaBill Lionheart30 Jun 2018, 09:13
Re: What Three Words at seaFrank Reed30 Jun 2018, 08:07
Re: What Three Words at seaDavid C30 Jun 2018, 03:04
Re: The "Tables Requisite" (1781) on eBayFrank Reed30 Jun 2018, 02:15
Re: What Three Words at seaFrank Reed29 Jun 2018, 23:24
Re: What Three Words at seaBill Lionheart29 Jun 2018, 20:08
Re: What Three Words at seaGreg Rudzinski29 Jun 2018, 18:51
Re: What Three Words at seaSean C29 Jun 2018, 02:07
Re: What Three Words at seaRobert VanderPol II29 Jun 2018, 01:54
What Three Words at seaBill B28 Jun 2018, 20:10
Re: Time standard for the Space StationDon Seltzer28 Jun 2018, 17:10
Re: Time standard for the Space StationJohn D. Howard28 Jun 2018, 15:16
Re: Time standard for the Space StationMike Mayer28 Jun 2018, 11:57
Re: Time standard for the Space StationFrank Reed28 Jun 2018, 03:27
Re: Longitude Sight, South Pacific, 1864 - RevisitedHenry Halboth28 Jun 2018, 02:33
Meridian-anchored Noon SunFrank Reed28 Jun 2018, 02:23
Re: Time standard for the Space StationPaul Dolkas28 Jun 2018, 00:52
Re: Camera Bris Sextant ExerciseGreg Rudzinski27 Jun 2018, 23:34
Re: Time standard for the Space StationFrank Reed27 Jun 2018, 19:43
Time standard for the Space StationPaul Dolkas27 Jun 2018, 18:16
Re: Longitude Sight, South Pacific, 1864 - RevisitedEd Popko27 Jun 2018, 10:53
Re: Camera Bris Sextant ExercisePeter Monta27 Jun 2018, 06:40
Longitude Sight, South Pacific, 1864 - RevisitrdHenry Halboth27 Jun 2018, 01:33
Camera Bris Sextant ExerciseGreg Rudzinski26 Jun 2018, 19:50
Bowditch's "Navigator" (1832) on eBayFrank Reed26 Jun 2018, 02:15
The "Tables Requisite" (1781) on eBayFrank Reed26 Jun 2018, 01:01
Re: Flat Bygrave alternative configurationHerman Dekker25 Jun 2018, 23:58
Re: Flat Bygrave alternative configurationRobin Stuart25 Jun 2018, 17:33
Re: Flat Bygrave alternative configurationHerman Dekker25 Jun 2018, 17:14
Re: Gary LaPooks Flat BygraveRobin Stuart25 Jun 2018, 15:18
Re: Gary LaPooks Flat BygraveGary LaPook25 Jun 2018, 07:30
Gary LaPooks Flat BygraveAlan S25 Jun 2018, 00:41
Re: Where was the solstice?Paul Hirose23 Jun 2018, 20:24
Re: Status Report on Navigator's Slide RuleSean Johnston22 Jun 2018, 20:37
Possible email message malwareFrank Reed22 Jun 2018, 17:54
Re: Where was the solstice?Geoffrey Kolbe22 Jun 2018, 06:29
Re: Determining refraction in 19th CenturyEd Popko22 Jun 2018, 00:25
Re: Status Report on Navigator's Slide RuleBob Goethe21 Jun 2018, 23:48
Re: Where was the solstice?Bill B21 Jun 2018, 20:53
Re: Where was the solstice?Antoine Couëtte21 Jun 2018, 19:34
Re: Status Report on Navigator's Slide RuleSean Johnston21 Jun 2018, 14:53
Re: Where was the solstice?John D. Howard21 Jun 2018, 14:46
Re: Determining refraction in 19th CenturyBruce J. Pennino21 Jun 2018, 13:12
Where was the solstice?Frank Reed21 Jun 2018, 13:04
Determining refraction in 19th CenturyEd Popko21 Jun 2018, 10:37
The Astrograph ExplainedDavid Pike20 Jun 2018, 18:41
Re: Which Nav-Station is this?David Pike20 Jun 2018, 18:10
Re: Which Nav-Station is this?Paul Hirose20 Jun 2018, 17:44
Re: Which Nav-Station is this?John D. Howard20 Jun 2018, 16:21
Re: Which Nav-Station is this?David Pike20 Jun 2018, 08:58
Re: Which Nav-Station is this?John D. Howard19 Jun 2018, 22:00
Re: Which Nav-Station is this?John D. Howard19 Jun 2018, 20:16
Re: Shadows on Google Maps Satellite PhotographsDavid Pike18 Jun 2018, 09:55
Which Nav-Station is this?David Pike18 Jun 2018, 08:24
Re: Kollsman sextant with MOUNT now on ebay.Jacob M. Huffman III17 Jun 2018, 22:52
Re: Kollsman sextant with MOUNT now on ebay.David Pike17 Jun 2018, 21:11
Re: Bubble sextant patentsRobert Eno17 Jun 2018, 17:39
Re: Bubble sextant patentsGreg Rudzinski17 Jun 2018, 17:14
Bubble sextant patentsEd Popko17 Jun 2018, 11:09
Kollsman sextant with MOUNT now on ebay.Gary LaPook16 Jun 2018, 22:38
Re: Lunar laser eye safetyPeter Monta15 Jun 2018, 10:51
Lunar laser eye safetyPaul Hirose14 Jun 2018, 23:54
Re: Shadows on Google Maps Satellite PhotographsSean C14 Jun 2018, 23:06
Re: Hamilton 4992B GCT watch FSBill Morris14 Jun 2018, 19:19
Re: Shadows on Google Maps Satellite PhotographsFrank Reed14 Jun 2018, 18:37
Re: Hamilton 4992B GCT watch FSGreg Rudzinski14 Jun 2018, 18:24
Shadows on Google Maps Satellite PhotographsDavid Pike14 Jun 2018, 14:03
Hamilton 4992B GCT watch FSPaul Hirose14 Jun 2018, 05:05
Re: A Ball Bearing in a dish as a referenceFrank Reed13 Jun 2018, 21:13
Re: A Ball Bearing in a dish as a referenceBrad Morris13 Jun 2018, 20:03
Low tech around the world raceGerald van Wilgen13 Jun 2018, 17:12
Re: C Plath SextantGerald van Wilgen13 Jun 2018, 17:08
Re: C Plath SextantRichard Libby13 Jun 2018, 16:23
Re: Shortwave radio and the evolution of celestial navigationEd Popko13 Jun 2018, 10:26
Re: A Ball Bearing in a dish as a referenceTony Oz13 Jun 2018, 08:59
Re: Shortwave radio and the evolution of celestial navigationBob Goethe13 Jun 2018, 08:53
Re: Shortwave radio and the evolution of celestial navigationFrancis Upchurch13 Jun 2018, 07:44
Re: Shortwave radio and the evolution of celestial navigationFrancis Upchurch13 Jun 2018, 07:41
Re: Dip shortStan K13 Jun 2018, 05:50
Re: Shortwave radio and the evolution of celestial navigationGeoffrey Kolbe13 Jun 2018, 05:46
Re: Shortwave radio and the evolution of celestial navigationGary LaPook13 Jun 2018, 05:22
Re: Shortwave radio and the evolution of celestial navigationGary LaPook13 Jun 2018, 05:19
Re: Shortwave radio and the evolution of celestial navigationGary LaPook13 Jun 2018, 05:17
Re: Shortwave radio and the evolution of celestial navigationHewitt Schlereth13 Jun 2018, 01:44
Re: Dip shortFrank Reed13 Jun 2018, 01:35
Dip shortJackson McDonald13 Jun 2018, 00:46
Re: Shortwave radio and the evolution of celestial navigationGreg Rudzinski12 Jun 2018, 22:53
Another factor of ten for smartphone navigationFrank Reed12 Jun 2018, 22:48
Re: Shortwave radio and the evolution of celestial navigationBill Lionheart12 Jun 2018, 22:22
Re: Shortwave radio and the evolution of celestial navigationGreg Rudzinski12 Jun 2018, 22:08
Re: Shortwave radio and the evolution of celestial navigationHewitt Schlereth12 Jun 2018, 21:03
Re: Shortwave radio and the evolution of celestial navigationEd Popko12 Jun 2018, 20:38
Re: Shortwave radio and the evolution of celestial navigationFrancis Upchurch12 Jun 2018, 20:08
Shortwave radio and the evolution of celestial navigationFrank Reed12 Jun 2018, 19:00
Re: Movie AdriftHewitt Schlereth11 Jun 2018, 22:10
Re: Movie AdriftFrank Reed11 Jun 2018, 15:41
Re: Movie AdriftEd Popko11 Jun 2018, 10:19
Re: In memoriam: Yves Robin-JouanAndrés Ruiz11 Jun 2018, 09:47
Re: Movie AdriftGary LaPook11 Jun 2018, 04:32
Re: Movie AdriftPete Solon Palmer11 Jun 2018, 02:46
Re: Movie AdriftFrank Reed10 Jun 2018, 23:37
Movie AdriftGreg Rudzinski10 Jun 2018, 23:22
Re: Chronology of Celestial Navigation and Related TopicsFrank Reed10 Jun 2018, 18:43
Re: Chronology of Celestial Navigation and Related TopicsEd Popko10 Jun 2018, 18:21
Re: Chronology of Celestial Navigation and Related TopicsEd Popko10 Jun 2018, 18:11
Re: Chronology of Celestial Navigation and Related TopicsFrank Reed10 Jun 2018, 16:29
Re: Chronology of Celestial Navigation and Related TopicsJohn D. Howard10 Jun 2018, 15:17
Re: A Ball Bearing in a dish as a referenceBrad Morris10 Jun 2018, 14:14
Re: AwesomeBrad Morris10 Jun 2018, 14:04
Re: Chronology of Celestial Navigation and Related TopicsFrancis Upchurch10 Jun 2018, 11:21
Re: Chronology of Celestial Navigation and Related TopicsJohn D. Howard10 Jun 2018, 13:57
Re: Chronology of Celestial Navigation and Related Topics (Update 1)Ed Popko10 Jun 2018, 11:19
Re: Chronology of Celestial Navigation and Related TopicsBill Lionheart10 Jun 2018, 08:58
Re: A Ball Bearing in a dish as a referencePeter Monta10 Jun 2018, 07:01
Re: A Ball Bearing in a dish as a referencePeter Monta10 Jun 2018, 06:41
Re: Chronology of Celestial Navigation and Related TopicsDavid C10 Jun 2018, 03:04
Re: A Ball Bearing in a dish as a referencePaul Hirose10 Jun 2018, 05:41
AwesomeGerald van Wilgen10 Jun 2018, 01:26
Re: C Plath SextantEd Popko9 Jun 2018, 19:11
Re: C Plath SextantFrank Reed9 Jun 2018, 18:01
C Plath SextantRichard Libby9 Jun 2018, 17:37
Re: Ebay kollsman periscope sextantsNoell Wilson9 Jun 2018, 16:56
Re: Chronology of Celestial Navigation and Related TopicsEd Popko9 Jun 2018, 09:29
Re: A Ball Bearing in a dish as a referencePeter Monta9 Jun 2018, 07:36
Re: A Ball Bearing in a dish as a referencePaul Hirose9 Jun 2018, 05:18
Re: Chronology of Celestial Navigation and Related TopicsBob Goethe8 Jun 2018, 23:32
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsGreg Rudzinski8 Jun 2018, 21:06
In memoriam: Yves Robin-JouanFrank Reed8 Jun 2018, 20:36
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsC Solo8 Jun 2018, 19:02
Re: Ebay kollsman periscope sextantsNoell Wilson8 Jun 2018, 16:21
BBC: Ship hack 'risks chaos in English Channel'Bob Goethe8 Jun 2018, 17:55
Re: Chronology of Celestial Navigation and Related TopicsEd Popko8 Jun 2018, 14:25
Re: Chronology of Celestial Navigation and Related TopicsAntoine Couëtte8 Jun 2018, 12:01
Chronology of Celestial Navigation and Related TopicsEd Popko8 Jun 2018, 10:57
Re: C. Plath optical instrumentLuc Van den Borre8 Jun 2018, 07:11
Re: C. Plath optical instrumentSean C8 Jun 2018, 04:56
C. Plath optical instrumentFrank Reed8 Jun 2018, 03:36
Precalculating LHA(t) for Fixed Angle ReflectorsGreg Rudzinski8 Jun 2018, 01:34
Re: A Ball Bearing in a dish as a referencePaul Dolkas7 Jun 2018, 17:06
Re: Ebay kollsman periscope sextantsPaul Dolkas7 Jun 2018, 17:03
Re: Ebay kollsman periscope sextantsNoell Wilson7 Jun 2018, 14:01
A Ball Bearing in a dish as a referenceDavid Pike7 Jun 2018, 12:19
Re: Ebay kollsman periscope sextantsDavid Pike7 Jun 2018, 07:55
Re: Ebay kollsman periscope sextantsPaul Dolkas7 Jun 2018, 01:00
Re: Ebay kollsman periscope sextantsDavid Pike6 Jun 2018, 15:03
Re: How height affects sun altitudeZiad Anas6 Jun 2018, 09:28
Re: Beating a Dead Horse (aka Worsley's Sextant)Brad Morris6 Jun 2018, 00:44
Re: How height affects sun altitudeGary LaPook5 Jun 2018, 22:06
Re: How height affects sun altitudeZiad Anas5 Jun 2018, 20:22
Re: Beating a Dead Horse (aka Worsley's Sextant)David Pike5 Jun 2018, 20:10
Re: How height affects sun altitudeFrank Reed5 Jun 2018, 18:44
Re: Ebay kollsman periscope sextantsPaul Dolkas5 Jun 2018, 18:41
How height affects sun altitude‏Ziad Anas5 Jun 2018, 11:23
Re: Ebay kollsman periscope sextantsDavid Pike5 Jun 2018, 15:12
Re: Ebay kollsman periscope sextantsMerlijn Frijda5 Jun 2018, 12:34
Re: Ebay kollsman periscope sextantsGary LaPook5 Jun 2018, 07:52
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsFran Herranz4 Jun 2018, 22:36
Re: Ebay kollsman periscope sextantsPaul Dolkas4 Jun 2018, 23:51
Re: Ebay kollsman periscope sextantsPaul Dolkas4 Jun 2018, 23:39
Re: Ebay kollsman periscope sextantsChris Caswell4 Jun 2018, 22:34
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsGreg Rudzinski4 Jun 2018, 20:26
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsFran Herranz4 Jun 2018, 18:37
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsGreg Rudzinski4 Jun 2018, 17:34
Re: Pre Calculating (Hp) For Fixed Angle ReflectorsFran Herranz4 Jun 2018, 16:19
Re: Ebay kollsman periscope sextantsDavid Pike4 Jun 2018, 13:15
Re: Stacked-mirror sextantPeter Monta4 Jun 2018, 13:06
Ebay kollsman periscope sextantsMerlijn Frijda4 Jun 2018, 00:23
Pre Calculating (Hp) For Fixed Angle ReflectorsGreg Rudzinski3 Jun 2018, 17:24
Re: Stacked-mirror sextantGreg Rudzinski3 Jun 2018, 16:39
Re: Stacked-mirror sextantTony Oz3 Jun 2018, 11:26
Re: Latitude by two altitudes and the elapsed timeAndrés Ruiz3 Jun 2018, 09:52
Re: Bris reflector and stacked Bris reflectorsGreg Rudzinski3 Jun 2018, 00:35
Bris reflector and stacked Bris reflectorsBob Crawley2 Jun 2018, 12:37
Practical Air Navigation (C&GS Special Publication 197)Paul Hirose2 Jun 2018, 06:00
Re: Stacked-mirror sextantPeter Monta1 Jun 2018, 23:16
Re: Boeing Clipper 1930sDavid C1 Jun 2018, 22:40
Re: Latitude by two altitudes and the elapsed timeGeoffrey Kolbe1 Jun 2018, 18:47
Re: Stacked-mirror sextantTony Oz1 Jun 2018, 18:01
Re: Boeing Clipper 1930sEd Popko1 Jun 2018, 15:58
Re: Boeing Clipper 1930sNoell Wilson1 Jun 2018, 14:02
Re: Boeing Clipper 1930sJohn D. Howard1 Jun 2018, 13:22
Re: Boeing Clipper 1930sBrad Morris1 Jun 2018, 13:03
Re: Stacked-mirror sextantPeter Monta1 Jun 2018, 12:58
Re: Boeing Clipper 1930sEd Popko1 Jun 2018, 12:29
Re: Boeing Clipper 1930sGeoffrey Kolbe1 Jun 2018, 12:15
Re: Stacked-mirror sextantGreg Rudzinski1 Jun 2018, 03:25
Boeing Clipper 1930sJackson McDonald31 May 2018, 22:56
Re: Stacked-mirror sextantTony Oz31 May 2018, 13:49
Latitude by two altitudes and the elapsed timeAndrés Ruiz31 May 2018, 10:07
Stacked-mirror sextantPeter Monta31 May 2018, 06:09
Celesticomp V completeBob Todd29 May 2018, 17:38
Re: Lunar limb illumination when nearly full?Frank Reed28 May 2018, 20:46
Re: Lunar limb illumination when nearly full?Paul Hughes28 May 2018, 08:53
Lunar limb illumination when nearly full?Peter Monta28 May 2018, 06:44
Re: For which celestial bodies is it relevant to display the lunar distance?Jorrit Visser26 May 2018, 18:13
Re: Time-sight time conventionsRoger W. Sinnott26 May 2018, 17:38
Re: Time-sight time conventionsEd Popko25 May 2018, 18:01
Re: Time-sight time conventionsJohn D. Howard25 May 2018, 16:17
Re: Time-sight time conventionsEd Popko25 May 2018, 14:52
Re: Time-sight time conventionsRoger W. Sinnott25 May 2018, 13:32
Re: For which celestial bodies is it relevant to display the lunar distance?Tony Oz25 May 2018, 13:02
Re: Time-sight time conventionsJohn D. Howard25 May 2018, 11:20
Re: The American MeridianPeter Monta25 May 2018, 04:12
Re: Cassens & Plath with DHI LabelRob Hansen24 May 2018, 21:39
Re: Cassens & Plath with DHI LabelRob Hansen24 May 2018, 19:50
Re: Cassens & Plath with DHI LabelLuc Van den Borre24 May 2018, 19:49
Re: (off-topic) Navigation and guidance automationPeter Smith24 May 2018, 19:41
Re: Cassens & Plath with DHI LabelWolfgang Köberer24 May 2018, 17:54
Cassens & Plath with DHI LabelRob Hansen24 May 2018, 17:41
Re: For which celestial bodies is it relevant to display the lunar distance?Jorrit Visser24 May 2018, 13:40
New booksWolfgang Köberer24 May 2018, 13:30
Re: The American MeridianJohn D. Howard24 May 2018, 11:51
Re: Survival SextantGreg Rudzinski24 May 2018, 11:39
Re: Survival SextantPeter Monta24 May 2018, 03:28
Re: The American MeridianPeter Monta24 May 2018, 03:04
Re: The American MeridianFrank Reed24 May 2018, 02:37
Re: The American MeridianDave Walden24 May 2018, 01:55
Re: The American MeridianBruce J. Pennino23 May 2018, 21:07
Re: Sextants in spaceBob Goethe23 May 2018, 21:06
Re: Time-sight time conventionsEd Popko23 May 2018, 20:59
Re: The American MeridianJackson McDonald23 May 2018, 20:40
Re: The American MeridianRobert VanderPol II23 May 2018, 19:12
Re: The American MeridianRobert Wyatt23 May 2018, 18:52
Re: The American MeridianPaul Hughes23 May 2018, 18:32
The American MeridianJackson McDonald23 May 2018, 17:44
Re: Sextants in spaceEd Popko23 May 2018, 17:25
Fogging OpticsRob Hansen23 May 2018, 14:37
Survival SextantGreg Rudzinski23 May 2018, 14:17
Re: Sextants in spacePaul Dolkas23 May 2018, 06:14
Re: Time-sight time conventionsPaul Hirose23 May 2018, 04:38
L'Hermione in PasajesAndrés Ruiz22 May 2018, 19:24
(off-topic) Navigation and guidance automationFrank Reed22 May 2018, 18:51
Re: Sextants in spaceFrank Reed22 May 2018, 17:43
Re: Time-sight time conventionsFrank Reed22 May 2018, 14:35
Re: Time-sight time conventionsDon Seltzer22 May 2018, 14:34
Re: Time-sight time conventionsEd Popko22 May 2018, 11:42
Re: Time-sight time conventionsPaul Hirose22 May 2018, 05:16
Re: Small booklet of EOT and DecPaul Hughes22 May 2018, 04:47
Re: Longitude sight, South Pacific, 1864Henry Halboth22 May 2018, 03:23
Re: Longitude sight, South Pacific, 1864Ed Popko22 May 2018, 00:45
Re: Small booklet of EOT and DecJohn D. Howard21 May 2018, 20:53
Re: Longitude sight, South Pacific, 1864Henry Halboth21 May 2018, 17:36
Re: Small booklet of EOT and DecFrank Reed21 May 2018, 16:44
Re: Small booklet of EOT and DecJohn D. Howard21 May 2018, 16:38
Re: Small booklet of EOT and DecFrank Reed21 May 2018, 16:18
Re: Small booklet of EOT and DecPaul Hughes21 May 2018, 15:50
Re: Small booklet of EOT and DecTony Oz21 May 2018, 15:17
Re: For which celestial bodies is it relevant to display the lunar distance?Tony Oz21 May 2018, 15:09
Re: Small booklet of EOT and DecGreg Rudzinski21 May 2018, 13:08
Re: For which celestial bodies is it relevant to display the lunar distance?Jorrit Visser21 May 2018, 12:12
Small booklet of EOT and DecJohn D. Howard21 May 2018, 11:35
Re: Longitude sight, South Pacific, 1864Frank Reed21 May 2018, 05:28
Re: Longitude sight, South Pacific, 1864Henry Halboth21 May 2018, 03:07
Re: Longitude sight, South Pacific, 1864Henry Halboth21 May 2018, 03:06
Re: Time-sight time conventionsEd Popko20 May 2018, 12:46
Re: Time-sight time conventionsPaul Hirose20 May 2018, 07:05
Re: Longitude sight, South Pacific, 1864Ed Popko19 May 2018, 18:54
Re: Sextants in spaceBrad Morris19 May 2018, 14:16
Re: Sextants in spaceRobert VanderPol II19 May 2018, 04:53
Re: Sextants in spacePaul Dolkas19 May 2018, 00:57
Re: Sextants in spacePaul Dolkas19 May 2018, 00:27
Re: Sextants in spaceGreg Rudzinski18 May 2018, 21:12
Re: Sextants in spaceLuc Van den Borre18 May 2018, 20:39
Re: Sextants in spaceFrank Reed18 May 2018, 19:08
Re: Sextants in spaceFrank Reed18 May 2018, 18:49
Re: Sextants in spaceFrank Reed18 May 2018, 18:35
Re: Sextants in spaceGreg Rudzinski18 May 2018, 18:20
Sextants in spacePaul Dolkas18 May 2018, 17:43
Re: Links not workingSean C18 May 2018, 06:25
Re: Longitude sight, South Pacific, 1864Sean C18 May 2018, 05:41
Re: ESA vision of milky way.Peter Monta18 May 2018, 02:58
Re: ESA vision of milky way.Peter Monta18 May 2018, 02:32
Re: Time-sight time conventionsSean C18 May 2018, 00:48
Re: 19th c Local and Greenwich Time ConventionsHenry Halboth17 May 2018, 23:42
Re: Time-sight time conventionsJohn D. Howard17 May 2018, 23:20
Re: Longitude sight, South Pacific, 1864Henry Halboth17 May 2018, 23:13
Re: ESA vision of milky way.Frank Reed17 May 2018, 19:32
ESA vision of milky way.Francis Upchurch17 May 2018, 19:09
Sun over the VolcanoFrank Reed17 May 2018, 18:25
Time-sight time conventionsEd Popko17 May 2018, 18:11
Re: Longitude sight, South Pacific, 1864Charles McElhill17 May 2018, 00:40
Re: Longitude sight, South Pacific, 1864Brad Morris17 May 2018, 00:09
Re: Longitude sight, South Pacific, 1864Charles McElhill16 May 2018, 23:24
Re: Longitude sight, South Pacific, 1864Ed Popko16 May 2018, 21:48
Re: Longitude sight, South Pacific, 1864Frank Reed16 May 2018, 21:22
Re: Longitude sight, South Pacific, 1864Frank Reed16 May 2018, 01:36
Re: Longitude sight, South Pacific, 1864Ed Popko16 May 2018, 00:21
Re: Buoyage in BermudaFrank Reed15 May 2018, 20:12
Re: Longitude sight, South Pacific, 1864Frank Reed15 May 2018, 20:11
Re: Longitude sight, South Pacific, 1864Ed Popko15 May 2018, 20:05
Re: 19th c Local and Greenwich Time ConventionsFrank Reed15 May 2018, 19:04
19th c Local and Greenwich Time ConventionsEd Popko15 May 2018, 12:48
Re: Buoyage in BermudaAndrés Ruiz15 May 2018, 08:34
Re: Longitude sight, South Pacific, 1864Ed Popko14 May 2018, 20:31
Buoyage in BermudaLu Abel14 May 2018, 19:12
Re: Longitude sight, South Pacific, 1864Frank Reed14 May 2018, 18:44
Re: Longitude sight, South Pacific, 1864Ed Popko14 May 2018, 17:51
Re: Moon HP and Earth SDTony Oz14 May 2018, 13:03
Re: Moon HP and Earth SDmax mulhern14 May 2018, 11:26
Re: Longitude sight, South Pacific, 1864Ed Popko14 May 2018, 11:07
Re: Longitude sight, South Pacific, 1864Michael Bradley14 May 2018, 07:49
Re: Longitude sight, South Pacific, 1864Frank Reed14 May 2018, 02:21
Re: Longitude sight, South Pacific, 1864Frank Reed14 May 2018, 02:12
Re: Ganymede through a 30*6 scope?Bill Gray14 May 2018, 02:06
Re: Ganimede through a 30*6 scope?Frank Reed13 May 2018, 20:32
Re: Moon HP and Earth SDLars Bergman13 May 2018, 20:25
Re: Moon HP and Earth SDLars Bergman13 May 2018, 18:36
Ganimede through a 30*6 scope?Tony Oz13 May 2018, 08:34
Moon HP and Earth SDFrank Reed13 May 2018, 01:33
Re: Longitude sight, South Pacific, 1864Ed Popko12 May 2018, 21:01
Re: My lunar distance tables online...Ken Muldrew12 May 2018, 15:59
Re: My lunar distance tables online...Tony Oz12 May 2018, 11:45
Robin Knox-Johnston: The first man to sail non-stop solo around the worldEd Popko12 May 2018, 11:28
Re: Navigating with GPS, opticallyPeter Monta12 May 2018, 06:16
Re: Navigating with GPS, opticallyBill Gray11 May 2018, 23:25
My lunar distance tables online...Frank Reed11 May 2018, 20:09
Re: For which celestial bodies is it relevant to display the lunar distance?Tony Oz11 May 2018, 13:58
Re: For which celestial bodies is it relevant to display the lunar distance?Andrés Ruiz11 May 2018, 10:31
Re: For which celestial bodies is it relevant to display the lunar distance?Jorrit Visser11 May 2018, 09:43
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook11 May 2018, 06:04
Re: Time sight DurationHenry Halboth11 May 2018, 05:36
Re: Use of Marine Sextants in AircraftFred Hebard11 May 2018, 01:03
Re: Longitude sight, South Pacific, 1864Ed Popko10 May 2018, 23:43
Re: Longitude sight, South Pacific, 1864Antonio Sauci10 May 2018, 19:55
Re: Longitude sight, South Pacific, 1864Frank Reed10 May 2018, 18:55
Re: For which celestial bodies is it relevant to display the lunar distance?Tony Oz10 May 2018, 15:33
For which celestial bodies is it relevant to display the lunar distance?Jorrit Visser10 May 2018, 14:51
Time sight DurationBruce J. Pennino10 May 2018, 13:05
Re: Use of Marine Sextants in AircraftDavid Pike10 May 2018, 11:02
Re: Use of Marine Sextants in AircraftFred Hebard10 May 2018, 02:17
Re: Longitude sight, South Pacific, 1864Ed Popko9 May 2018, 21:22
Re: Use of Marine Sextants in AircraftDavid Pike9 May 2018, 18:28
Re: Use of Marine Sextants in AircraftBrad Morris9 May 2018, 18:21
Re: Use of Marine Sextants in AircraftGary LaPook9 May 2018, 17:31
Re: Use of Marine Sextants in AircraftFred Hebard9 May 2018, 17:17
Re: Longitude sight, South Pacific, 1864Frank Reed9 May 2018, 15:46
Re: Longitude sight, South Pacific, 1864Frank Reed9 May 2018, 15:33
Re: Longitude sight, South Pacific, 1864Ed Popko9 May 2018, 11:39
Re: Mercury AH in aircraft sextants?David Pike9 May 2018, 08:42
Re: Use of Marine Sextants in AircraftDavid Pike9 May 2018, 08:37
Re: Use of Marine Sextants in AircraftDavid Pike9 May 2018, 08:29
Re: Mark 7 Knee-Mounted Plotting BoardChris Caswell8 May 2018, 22:55
Re: Sextant auction. Windham, NH, May 20Bill Morris8 May 2018, 22:24
Re: Sight reduction program for iPhonesChris Caswell8 May 2018, 22:18
Re: Mercury AH in aircraft sextants?Bill Morris8 May 2018, 22:17
Re: Use of Marine Sextants in AircraftFred Hebard8 May 2018, 21:40
Re: Use of Marine Sextants in AircraftGary LaPook8 May 2018, 21:15
Re: Use of Marine Sextants in AircraftGary LaPook8 May 2018, 21:03
Re: Longitude sight, South Pacific, 1864Robin Stuart8 May 2018, 20:21
Re: Use of Marine Sextants in AircraftLars Bergman8 May 2018, 18:07
Re: Mercury AH in aircraft sextants?David Pike8 May 2018, 16:28
Mercury AH in aircraft sextants?Tony Oz8 May 2018, 14:33
Re: Sextant auction. Windham, NH, May 20Fred Hebard8 May 2018, 12:09
Re: Longitude sight, South Pacific, 1864Ed Popko8 May 2018, 11:15
Re: A paper sextant sight...John D. Howard8 May 2018, 09:30
Use of Marine Sextants in AircraftDavid Pike8 May 2018, 08:38
Re: A paper sextant sight...Herman Dekker8 May 2018, 08:32
Longitude sight, South Pacific, 1864Frank Reed8 May 2018, 05:28
Re: Sextant auction. Windham, NH, May 20Robert VanderPol II8 May 2018, 05:15
Re: A paper sextant sight...Greg Rudzinski8 May 2018, 01:01
Re: A paper sextant sight...John D. Howard8 May 2018, 00:09
Re: Sextant auction. Windham, NH, May 20Jackson McDonald7 May 2018, 21:50
Re: Sextant auction. Windham, NH, May 20Greg Rudzinski7 May 2018, 20:07
Re: Sextant auction. Windham, NH, May 20Lars Bergman7 May 2018, 18:32
Re: Sextant auction. Windham, NH, May 20David Pike7 May 2018, 16:05
Re: Sight reduction program for iPhonesStan K7 May 2018, 10:31
Re: A paper sextant sight...Greg Rudzinski7 May 2018, 13:47
Re: Sight reduction program for iPhonesAndrés Ruiz7 May 2018, 06:22
Re: Mark 7 Knee-Mounted Plotting BoardTracy Shrier7 May 2018, 03:06
Re: Sight reduction program for iPhonesStan K7 May 2018, 01:23
Pyongyang Time is gone againFrank Reed7 May 2018, 00:33
Re: Sight reduction program for iPhonesPete Solon Palmer6 May 2018, 21:39
Re: A paper sextant sight...Frank Reed6 May 2018, 17:59
Sextant auction. Windham, NH, May 20Jackson McDonald6 May 2018, 15:36
Re: LOPs from LunarsEd Popko6 May 2018, 10:33
Re: Mystic Seaport MuseumFrank Reed5 May 2018, 21:48
Re: Mystic Seaport MuseumCharles McElhill5 May 2018, 19:57
Re: Fitzgerald and McCain CollisionsLu Abel5 May 2018, 19:39
Re: Mystic Seaport MuseumFrank Reed5 May 2018, 19:06
Re: Sight reduction program for iPhonesFrank Reed5 May 2018, 18:53
Re: LOPs from LunarsFrank Reed5 May 2018, 17:48
Re: Fitzgerald and McCain CollisionsRobert VanderPol II5 May 2018, 15:10
Re: Fitzgerald and McCain CollisionsSean C5 May 2018, 04:51
Re: Mystic Seaport MuseumJackson McDonald5 May 2018, 02:13
Re: Mystic Seaport MuseumRobert Wyatt4 May 2018, 13:51
Re: Mystic Seaport MuseumTony Oz4 May 2018, 08:14
22 degree haloBob Goethe3 May 2018, 21:28
A paper sextant sight...Frank Reed3 May 2018, 19:55
VP-OS Plotting SheetsBob Goethe3 May 2018, 17:38
Re: Navigation ModulesAntoine Couëtte3 May 2018, 07:21
Mystic Seaport MuseumFrank Reed3 May 2018, 02:11
Re: Navigation ModulesDouglas Stephen2 May 2018, 21:30
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May 2018, 17:57
LOPs from LunarsEd Popko2 May 2018, 17:01
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May 2018, 08:44
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May 2018, 07:52
Re: Mark 7 Knee-Mounted Plotting BoardGary LaPook2 May 2018, 07:40
Re: John Karl's Celestial Navigation in the GPS AgeAonghus O Concheanainn1 May 2018, 22:49
Re: Longest Straight Line Paths on Water or Land on the EarthFrank Reed1 May 2018, 22:08
Re: John Karl's Celestial Navigation in the GPS AgeRobert Bernecky1 May 2018, 13:31
Re: John Karl's Celestial Navigation in the GPS AgeSean C1 May 2018, 02:14
Astra box & other wood instrument box FSTom Mackie1 May 2018, 01:27
Re: John Karl's Celestial Navigation in the GPS AgeStan K1 May 2018, 00:38
Celestial Tools V5.6.10Stan K1 May 2018, 00:08
Re: John Karl's Celestial Navigation in the GPS AgeSean C30 Apr 2018, 23:45
Re: John Karl's Celestial Navigation in the GPS AgeAonghus O Concheanainn30 Apr 2018, 22:43
Mark 7 Knee-Mounted Plotting BoardMiles B. Anderson30 Apr 2018, 20:43
Re: Navigation ModulesRobin Stuart30 Apr 2018, 19:21
Re: John Karl's Celestial Navigation in the GPS AgeRobert Bernecky30 Apr 2018, 13:48
Re: Navigation ModulesAndrew Nikitin30 Apr 2018, 12:43
Re: John Karl's Celestial Navigation in the GPS AgeStan K29 Apr 2018, 23:00
Re: John Karl's Celestial Navigation in the GPS AgeRobert VanderPol II29 Apr 2018, 22:02
John Karl's Celestial Navigation in the GPS AgeAonghus O Concheanainn29 Apr 2018, 21:34
Re: Navigation ModulesRobin Stuart29 Apr 2018, 17:47
Re: Navigation ModulesStan K29 Apr 2018, 15:12
Re: Navigation ModulesAntoine Couëtte29 Apr 2018, 10:24
Re: Navigation ModulesAntoine Couëtte29 Apr 2018, 06:34
Navigation ModulesAlan S28 Apr 2018, 20:41
Re: Celestial Navigation is so simpleAlan S28 Apr 2018, 18:23
Re: Celestial Navigation is so simpleGreg Rudzinski28 Apr 2018, 17:35
Re: Celestial Navigation is so simpleGary LaPook28 Apr 2018, 16:39
Celestial Navigation is so simpleDon Seltzer28 Apr 2018, 15:47
Re: Norie 1819, Bowditch 1837, and a fine old Tamaya sextant on ebayFrank Reed28 Apr 2018, 04:19
Re: Norie 1819, Bowditch 1837, and a fine old Tamaya sextant on ebayDavid C28 Apr 2018, 03:48
Norie 1819, Bowditch 1837, and a fine old Tamaya sextant on ebayFrank Reed28 Apr 2018, 01:49
Re: Autonomous ships are coming.Jeremy C25 Apr 2018, 06:23
Re: Autonomous ships are coming.Lu Abel24 Apr 2018, 18:52
Autonomous ships are coming.Gary LaPook24 Apr 2018, 17:20
Re: Longest Straight Line Paths on Water or Land on the EarthPeter Hakel24 Apr 2018, 12:31
Re: Longest Straight Line Paths on Water or Land on the EarthRobert VanderPol II24 Apr 2018, 04:24
Re: Longest Straight Line Paths on Water or Land on the EarthJohn D. Howard23 Apr 2018, 23:43
Compassipedia online compass museumPaul Hirose23 Apr 2018, 21:41
Re: Longest Straight Line Paths on Water or Land on the EarthAlexandre Eremenko23 Apr 2018, 20:21
Longest Straight Line Paths on Water or Land on the EarthRobert H. van Gent23 Apr 2018, 18:51
Re: Viking Navigation and "Sunstones"Geoffrey Kolbe23 Apr 2018, 05:14
Celestial Tools V5.6.9Stan K22 Apr 2018, 18:08
Sight reduction program for iPhonesChris Caswell22 Apr 2018, 13:13
Re: Viking Navigation and "Sunstones"Tony Oz22 Apr 2018, 07:33
Lumpy lunar edgeEd Popko20 Apr 2018, 18:08
Re: Moon-rise/set with Air Almanac: how to?Robert Bernecky20 Apr 2018, 14:13
HO-211 Hulbert Hinkel Jr.Robert VanderPol II20 Apr 2018, 03:42
Moon-rise/set with Air Almanac: how to?Tony Oz19 Apr 2018, 17:44
Re: Lunars: this weekend at Mystic SeaportGreg Rudzinski19 Apr 2018, 15:33
Re: Lunars: this weekend at Mystic SeaportEd Popko19 Apr 2018, 10:15
Re: Micrometer vernierTony Oz19 Apr 2018, 08:50
Finding the EnduranceDavid C19 Apr 2018, 07:02
Re: Lunars: this weekend at Mystic SeaportGreg Rudzinski19 Apr 2018, 04:00
Re: Micrometer vernierAlexandre Eremenko18 Apr 2018, 22:42
Re: Micrometer vernierPeter Monta18 Apr 2018, 22:07
Re: Micrometer vernierPosth P18 Apr 2018, 17:08
Re: Lunars: this weekend at Mystic SeaportEd Popko18 Apr 2018, 17:00
Re: Lunars: this weekend at Mystic SeaportGreg Rudzinski18 Apr 2018, 16:59
Re: Lunars: this weekend at Mystic SeaportRobin Stuart18 Apr 2018, 13:21
Re: Micrometer vernierTony Oz18 Apr 2018, 12:55
Re: Micrometer vernierDavid Pike18 Apr 2018, 11:35
Re: Micrometer vernierBill Morris18 Apr 2018, 00:04
Re: Micrometer vernierMichael Bradley17 Apr 2018, 22:48
Re: Micrometer vernierWilliam Edward Henry17 Apr 2018, 22:47
Re: Micrometer vernierFrank Reed17 Apr 2018, 18:00
Re: Micrometer vernierDavid Fleming17 Apr 2018, 17:46
Re: Micrometer vernierBob Goethe17 Apr 2018, 17:40
Micrometer vernierFrank Reed17 Apr 2018, 17:03
Re: Lunars: this weekend at Mystic SeaportJeremy C17 Apr 2018, 12:26
Re: Sextant as hand luggage on a planeAlan S17 Apr 2018, 04:02
Re: Lunars: this weekend at Mystic SeaportEd Popko17 Apr 2018, 00:59
Re: WWII bubble sextants and radiumGary LaPook17 Apr 2018, 00:16
Re: Lunars: this weekend at Mystic SeaportFrank Reed16 Apr 2018, 18:40
Lunars: this weekend at Mystic SeaportFrank Reed16 Apr 2018, 18:28
Re: Sextant as hand luggage on a planeKen Gebhart16 Apr 2018, 17:26
Re: Celesticomp V instructionsStan K15 Apr 2018, 23:43
Re: Sextant as hand luggage on a planeAlan S15 Apr 2018, 22:37
Re: SNO-T for sale, £300Robert VanderPol II15 Apr 2018, 21:10
Re: Sextant as hand luggage on a planeJames F Campbell15 Apr 2018, 20:37
Re: Sextant as hand luggage on a planeRobin Stuart15 Apr 2018, 19:42
Re: Sextant as hand luggage on a planeJames F Campbell15 Apr 2018, 19:16
Re: Sextant as hand luggage on a planeRobert Eno15 Apr 2018, 19:06
Re: Sextant as hand luggage on a planeAlejandro Purgue15 Apr 2018, 18:28
Re: Celesticomp V instructionsJohn Carbone15 Apr 2018, 18:21
Sextant as hand luggage on a planeBill Lionheart15 Apr 2018, 16:20
Celesticomp V instructionsBrian Lloyd15 Apr 2018, 15:05
Re: SNO-T for sale, £300Örjan Sandström15 Apr 2018, 12:02
Mirages and refraction.Tony Oz14 Apr 2018, 22:34
Ghost Ring vs. Sight TubeGreg Rudzinski14 Apr 2018, 19:49
Re: More accurate version of Pub 249 Vol 1 - is it needed?Gary LaPook14 Apr 2018, 05:42
Re: More accurate version of Pub 249 Vol 1 - is it needed?David Pike13 Apr 2018, 20:07
Re: More accurate version of Pub 249 Vol 1 - is it needed?Gary LaPook13 Apr 2018, 16:22
The marquis de Chabert & the lunar distanceDucruy Jacques13 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 MoonSean C13 Apr 2018, 02:13
Video tour of our MoonEd Popko12 Apr 2018, 15:12
Re: New Edition of BowditchKen Gebhart11 Apr 2018, 22:00
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayDon Seltzer11 Apr 2018, 21:53
New Edition of BowditchRommel John Miller11 Apr 2018, 20:02
Re: Wikipedia Article on "Stellar Triangulation"Fred Hebard11 Apr 2018, 19:21
Sumner Line SR by Martelli TableGreg Rudzinski11 Apr 2018, 18:03
Re: Henning Umland's javascript web appBill Lionheart11 Apr 2018, 17:53
Re: Sail the tall ship OHP, April 25-May 10Frank Reed11 Apr 2018, 17:08
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayFrank Reed11 Apr 2018, 17:00
Re: Henning Umland's spreadsheets.Frank Reed11 Apr 2018, 16:39
SNO-T for sale, £300Robert VanderPol II11 Apr 2018, 12:19
Re: Henning Umland's spreadsheets.Brad Morris10 Apr 2018, 20:13
Re: Henning Umland's spreadsheets.Paul Hirose10 Apr 2018, 19:56
Lewis and Clark LunarsGreg Rudzinski10 Apr 2018, 15:48
Re: Henning Umland's spreadsheets.Bill Lionheart10 Apr 2018, 14:06
Re: Wikipedia Article on "Stellar Triangulation"Frank Reed9 Apr 2018, 17:50
Re: Second hand sextant adviceBob Goethe9 Apr 2018, 16:58
Lunars: Altitude Accuracy (revisited)Ed Popko9 Apr 2018, 16:37
Wikipedia Article on "Stellar Triangulation"Fred Hebard9 Apr 2018, 15:54
Re: New York Times article on Viking Navigation and their use of "Sunstones"Bob Goethe9 Apr 2018, 15:44
Re: New York Times article on Viking Navigation and their use of "Sunstones"Tony Oz9 Apr 2018, 14:05
Re: Photo of horizonRobert VanderPol II9 Apr 2018, 13:46
Re: Article: Inside the Worst U.S. Maritime Disaster in DecadesEd Popko9 Apr 2018, 11:35
Re: New York Times article on Viking Navigation and their use of "Sunstones"Wolfgang Köberer9 Apr 2018, 07:12
Re: Photo of horizonSean C9 Apr 2018, 02:23
Henning Umland's spreadsheets.Bill Lionheart9 Apr 2018, 02:20
Re: New York Times article on Viking Navigation and their use of "Sunstones"Erland Andersen9 Apr 2018, 02:15
Article: Inside the Worst U.S. Maritime Disaster in DecadesJackson McDonald9 Apr 2018, 01:54
Photo of horizonRobert VanderPol II8 Apr 2018, 15:27
New York Times article on Viking Navigation and their use of "Sunstones"Ed Popko8 Apr 2018, 10:34
Re: Second hand sextant adviceMichael Bradley8 Apr 2018, 09:18
Re: Second hand sextant adviceAlan S8 Apr 2018, 04:47
Re: Correction for diameter of the earthSean C8 Apr 2018, 04:43
Re: Second hand sextant adviceJackson McDonald8 Apr 2018, 01:26
Correction for diameter of the earthC Solo7 Apr 2018, 23:56
Re: Second hand sextant adviceDavid C7 Apr 2018, 22:31
Re: Second hand sextant adviceBill Morris7 Apr 2018, 21:50
Re: Second hand sextant adviceBruce Cutting7 Apr 2018, 21:37
Re: Lunar-Distance correction for OblatenessFrank Reed7 Apr 2018, 02:10
Re: Lunar-Distance correction for OblatenessSean C7 Apr 2018, 01:00
Re: Lunar-Distance correction for OblatenessEd Popko6 Apr 2018, 20:24
Re: Second hand sextant adviceGreg Rudzinski6 Apr 2018, 20:10
Re: Second hand sextant adviceKen Gebhart6 Apr 2018, 19:10
Re: Second hand sextant adviceChris Caswell6 Apr 2018, 19:06
Re: Second hand sextant adviceFrank Reed6 Apr 2018, 18:59
Re: Lunar-Distance correction for OblatenessFrank Reed6 Apr 2018, 18:48
Second hand sextant adviceEdward Colonna6 Apr 2018, 15:36
Lunar-Distance correction for OblatenessEd Popko6 Apr 2018, 14:12
Re: Quick Estimate of Sun Declination: analemmas?max mulhern6 Apr 2018, 13:47
Re: Sight reduction using a calculator's POL (arctan2) keyLars Bergman5 Apr 2018, 20:35
Re: Quick Estimate of Sun DeclinationTony Oz5 Apr 2018, 18:52
Re: Quick Estimate of Sun DeclinationFrank Reed5 Apr 2018, 18:49
Re: Quick Estimate of Sun Declination: analemmas?Frank Reed5 Apr 2018, 16:02
Re: Quick Estimate of Sun Declination: analemmas?max mulhern5 Apr 2018, 15:12
Re: Sight reduction using a calculator's POL (arctan2) keyTony Oz5 Apr 2018, 13:07
Universal Plotting Sheet at High LatitudesBob Goethe5 Apr 2018, 11:36
Re: Quick Estimate of Sun DeclinationHerman Dekker5 Apr 2018, 10:20
Re: JPL ephemeresis and Nautical Almanac - speed of light questionPaul Hirose5 Apr 2018, 04:56
Re: Sight reduction using a calculator's POL (arctan2) keyGreg Rudzinski5 Apr 2018, 04:19
Quick Estimate of Sun DeclinationFrank Reed5 Apr 2018, 02:06
Re: JPL ephemeresis and Nautical Almanac - speed of light questionFrank Reed4 Apr 2018, 16:29
Re: Sight reduction using a calculator's POL (arctan2) keyRobin Stuart4 Apr 2018, 11:57
Re: JPL ephemeresis and Nautical Almanac - speed of light questionPaul Hughes4 Apr 2018, 09:34
Re: JPL ephemeresis and Nautical Almanac - speed of light questionRafal O.4 Apr 2018, 07:08
Re: JPL ephemeresis and Nautical Almanac - speed of light questionRafal O.4 Apr 2018, 06:34
Re: Nautical Almanac, HO 229 or HO 249John D. Howard3 Apr 2018, 22:38
Re: JPL ephemeresis and Nautical Almanac - speed of light questionJohn D. Howard3 Apr 2018, 22:15
Re: Sight reduction using a calculator's POL (arctan2) keyLars Bergman3 Apr 2018, 21:40
Re: Nautical Almanac, HO 229 or HO 249Lindsey Philpott3 Apr 2018, 21:32
Re: JPL ephemeresis and Nautical Almanac - speed of light questionFrank Reed3 Apr 2018, 19:39
Re: JPL ephemeresis and Nautical Almanac - speed of light questionBrad Morris3 Apr 2018, 19:38
Re: Google Honors John Harrison with "Doodle"Brad Morris3 Apr 2018, 19:19
Re: JPL ephemeresis and Nautical Almanac - speed of light questionBrad Morris3 Apr 2018, 19:10
Re: JPL ephemeresis and Nautical Almanac - speed of light questionJohn D. Howard3 Apr 2018, 19:10
Re: Sight reduction using a calculator's POL (arctan2) keyRobert Bernecky3 Apr 2018, 18:51
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayWolfgang Köberer3 Apr 2018, 18:12
Re: JPL ephemeresis and Nautical Almanac - speed of light questionTony Oz3 Apr 2018, 17:28
Re: Sight reduction using a calculator's POL (arctan2) keyGreg Rudzinski3 Apr 2018, 17:27
Re: JPL ephemeresis and Nautical Almanac - speed of light questionRafal O.3 Apr 2018, 13:14
Re: JPL ephemeresis and Nautical Almanac - speed of light questionPeter Monta3 Apr 2018, 12:51
Re: JPL ephemeresis and Nautical Almanac - speed of light questionRafal O.3 Apr 2018, 12:50
Re: Sight reduction using a calculator's POL (arctan2) keyRobin Stuart3 Apr 2018, 12:30
Re: JPL ephemeresis and Nautical Almanac - speed of light questionMike Mayer3 Apr 2018, 12:24
Re: JPL ephemeresis and Nautical Almanac - speed of light questionTony Oz3 Apr 2018, 10:20
Re: Sight reduction using a calculator's POL (arctan2) keyTony Oz3 Apr 2018, 08:49
Google Honors John Harrison with "Doodle"Sean C3 Apr 2018, 08:46
JPL ephemeresis and Nautical Almanac - speed of light questionRafal O.3 Apr 2018, 07:50
Re: Nautical Almanac, HO 229 or HO 249Robert VanderPol II3 Apr 2018, 06:19
Nautical Almanac, HO 229 or HO 249Lindsey Philpott3 Apr 2018, 05:34
Re: Celestial SimulatorPhil Sadler3 Apr 2018, 02:44
Re: Sight reduction using a calculator's POL (arctan2) keyGreg Rudzinski2 Apr 2018, 23:49
Sight reduction using a calculator's POL (arctan2) keyRobert Bernecky2 Apr 2018, 13:37
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayDon Seltzer1 Apr 2018, 23:58
Re: Polarized Sunglasses for CNGreg Rudzinski1 Apr 2018, 23:56
Re: Celestial SimulatorPaul Hirose1 Apr 2018, 23:22
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayDon Seltzer1 Apr 2018, 22:46
Re: Polarized Sunglasses for CNTony Oz1 Apr 2018, 22:02
Re: Two Suns on the Horizon?Tony Oz1 Apr 2018, 21:50
Re: Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayWilliam A1 Apr 2018, 20:27
Re: Upon Oceans endorsementWilliam A1 Apr 2018, 20:22
Re: Two Suns on the Horizon?Frank Reed1 Apr 2018, 16:59
Re: Two Suns on the Horizon?Nick M1 Apr 2018, 12:38
Re: Polarized Sunglasses for CNGeoffrey Kolbe1 Apr 2018, 05:51
Re: Celestial SimulatorPhil Sadler1 Apr 2018, 02:56
Janet Taylor's "Principles of Navigation Simplified" (1837) on ebayFrank Reed1 Apr 2018, 00:55
Luftwaffe Cased Leveling OctantJackson McDonald31 Mar 2018, 23:50
Re: 1973 Altitude Correction tablesJohn D. Howard31 Mar 2018, 19:18
Re: Sail the tall ship OHP, April 25-May 10Bob Miorelli31 Mar 2018, 17:47
Re: Polarized Sunglasses for CNPeter Monta31 Mar 2018, 17:06
Polarized Sunglasses for CNGreg Rudzinski31 Mar 2018, 15:01
Re: Beware of Noon Sights this time of YearDon Seltzer31 Mar 2018, 14:22
Re: Beware of Noon Sights this time of YearRobin Stuart31 Mar 2018, 12:57
Re: Beware of Noon Sights this time of YearGreg Rudzinski31 Mar 2018, 01:41
Re: Beware of Noon Sights this time of YearDon Seltzer31 Mar 2018, 00:39
Re: 1973 Altitude Correction tablesDavid C30 Mar 2018, 22:25
Re: 1973 Altitude Correction tablesDavid C30 Mar 2018, 22:13
Re: Sail the tall ship OHP, April 25-May 10Tom Sult30 Mar 2018, 19:55
Re: Navigational science during the dark daysTom Sult30 Mar 2018, 19:48
Re: Beware of Noon Sights this time of YearFrank Reed30 Mar 2018, 19:21
Beware of Noon Sights this time of YearEd Popko30 Mar 2018, 18:22
Sail the tall ship OHP, April 25-May 10Frank Reed30 Mar 2018, 16:22
Re: 1973 Altitude Correction tablesFrank Reed30 Mar 2018, 16:02
Re: Two Suns on the Horizon?Frank Reed30 Mar 2018, 15:44
Re: Low orbit satellites for navigationPeter Monta30 Mar 2018, 15:40
Re: Two Suns on the Horizon?Peter Monta30 Mar 2018, 15:09
Navigational science during the dark daysAnnaig Labornez30 Mar 2018, 14:25
Spam-L--- Re: Two Suns on the Horizon?Robert Wyatt30 Mar 2018, 13:17
Re: ECDIS: What Happens When the GPS Signal Goes Away?Jeremy C30 Mar 2018, 09:49
1973 Altitude Correction tablesDavid C30 Mar 2018, 06:55
Two Suns on the Horizon?Sean C30 Mar 2018, 05:30
ECDIS: What Happens When the GPS Signal Goes Away?Jackson McDonald29 Mar 2018, 21:04
Re: G is for GreenwichFrank Reed28 Mar 2018, 17:31
Re: Celnav apps for AndroidTony Oz28 Mar 2018, 12:50
Celnav apps for AndroidAndrés Ruiz28 Mar 2018, 06:40
Re: Sight Reduction Calculator for iOS (update)Stan K27 Mar 2018, 20:54
Re: Sight Reduction Calculator for iOS (update)Tony Oz27 Mar 2018, 17:39
Re: Sight Reduction Calculator for iOS (update)Stan K27 Mar 2018, 15:27
Re: Upon Oceans endorsementJeremy C27 Mar 2018, 10:19
Sight Reduction Calculator for iOS (update)Tony Oz27 Mar 2018, 08:44
Re: Upon Oceans endorsementSean C27 Mar 2018, 03:25
Upon Oceans endorsementWilliam A26 Mar 2018, 19:36
Low orbit satellites for navigationFrank Reed26 Mar 2018, 19:06
History of navigation conference, National Maritime Museum, Greenwich, 24-25 May 2018Richard Dunn26 Mar 2018, 13:50
Re: Ship SpeedJeremy C23 Mar 2018, 09:25
Re: Doc On Worst Jobs at SeaBruce J. Pennino23 Mar 2018, 01:18
Time-lapse animation of the moonEd Popko22 Mar 2018, 20:46
Re: [World Magnetic Model] WMM2015 degraded performance warning -- March 2018Chris Willmes22 Mar 2018, 20:04
Re: Ship SpeedTerry Syrokosz22 Mar 2018, 18:45
MOO MOB and Stationary observerAndrés Ruiz22 Mar 2018, 18:19
Fwd: [World Magnetic Model] WMM2015 degraded performance warning -- March 2018Andrés Ruiz22 Mar 2018, 18:11
Re: Time of SpringTerry Syrokosz22 Mar 2018, 17:42
Re: Doc On Worst Jobs at SeaHenry Halboth22 Mar 2018, 17:09
Re: Ship SpeedMichael Bradley22 Mar 2018, 16:44
Re: Ship SpeedIan Vaughn22 Mar 2018, 16:19
Ship SpeedBruce J. Pennino22 Mar 2018, 15:21
Re: Doc On Worst Jobs at SeaDon Seltzer22 Mar 2018, 14:43
Re: Doc On Worst Jobs at SeaBruce J. Pennino22 Mar 2018, 13:39
Re: Time of SpringPaul Hirose22 Mar 2018, 05:27
Re: From whaling to piracyFrank Reed22 Mar 2018, 03:25
Re: From whaling to piracyDon Seltzer22 Mar 2018, 02:23
Re: Doc On Worst Jobs at SeaFrank Reed22 Mar 2018, 00:57
Doc On Worst Jobs at SeaGreg Rudzinski22 Mar 2018, 00:48
Re: From whaling to piracyDavid Pike21 Mar 2018, 23:10
Re: From whaling to piracyBob Goethe21 Mar 2018, 21:31
From whaling to piracyFrank Reed21 Mar 2018, 20:54
Re: Modern Celestial, this weekend at Mystic SeaportFrank Reed21 Mar 2018, 17:51
Re: Smart management of NavList emailsBrad Morris21 Mar 2018, 17:25
Re: Modern Celestial, this weekend at Mystic SeaportFrank Reed21 Mar 2018, 16:26
Re: Smart management of NavList emailsFrank Reed21 Mar 2018, 16:16
Smart management of NavList emailsBrad Morris21 Mar 2018, 15:54
Re: Time of SpringDave Walden21 Mar 2018, 14:09
Re: Time of SpringTony Oz21 Mar 2018, 10:48
Time of SpringTerry Syrokosz21 Mar 2018, 03:08
Re: Stephen HawkingFrancis Upchurch20 Mar 2018, 19:17
G is for GreenwichFrank Reed20 Mar 2018, 18:51
Re: Geographic coordinates from smart phonesFrank Reed20 Mar 2018, 18:21
Re: Stephen HawkingFrank Reed20 Mar 2018, 18:08
Modern Celestial, this weekend at Mystic SeaportFrank Reed20 Mar 2018, 16:18
Re: Upcoming celestial classes at Mystic SeaportTerry Syrokosz20 Mar 2018, 13:52
Re: Stephen HawkingFrancis Upchurch19 Mar 2018, 19:15
Re: Nomogram for Dip Short of HorizonRobin Stuart19 Mar 2018, 14:18
Re: Nomogram for Dip Short of HorizonTony Oz19 Mar 2018, 10:46
Re: Nomogram for Dip Short of HorizonEd Popko18 Mar 2018, 22:54
Re: Nomogram for Dip Short of HorizonHerman Dekker18 Mar 2018, 21:49
Re: Nomogram for Dip Short of HorizonGreg Rudzinski18 Mar 2018, 21:33
Re: Geographic coordinates from smart phonesBrad Morris18 Mar 2018, 20:47
Nomogram for Dip Short of HorizonRobin Stuart18 Mar 2018, 20:28
Re: Did chronometers introduce economics to navigation?Geoffrey Kolbe18 Mar 2018, 20:00
Geographic coordinates from smart phonesMike Burkes18 Mar 2018, 16:26
Re: Did chronometers introduce economics to navigation?Brad Morris18 Mar 2018, 15:17
Re: Did chronometers introduce economics to navigation?Greg Rudzinski18 Mar 2018, 13:24
Did chronometers introduce economics to navigation?Ed Popko18 Mar 2018, 12:34
Re: D.H. Sadler on Ephemeris Time, 1954Peter Monta18 Mar 2018, 06:07
Re: Erasing E6-B and Polhemus PlotsFrank Reed18 Mar 2018, 02:17
Re: D.H. Sadler on Ephemeris Time, 1954Frank Reed18 Mar 2018, 02:03
Re: Erasing E6-B and Polhemus PlotsEd Popko17 Mar 2018, 10:22
Re: Erasing E6-B and Polhemus PlotsTracy Shrier17 Mar 2018, 04:36
Current / future state of UT1 access?Paul Hirose16 Mar 2018, 18:24
Re: Stephen HawkingGeoffrey Kolbe16 Mar 2018, 19:59
D.H. Sadler on Ephemeris Time, 1954Paul Hirose16 Mar 2018, 18:23
Stephen HawkingFrank Reed16 Mar 2018, 16:35
Re: Short Dip distanceRon Jones16 Mar 2018, 15:20
Re: Short Dip distanceRobin Stuart16 Mar 2018, 15:10
Re: Short Dip distanceRobin Stuart16 Mar 2018, 14:31
Re: Celestial SimulatorPhil Sadler15 Mar 2018, 22:20
Re: Celestial SimulatorLuc Van den Borre15 Mar 2018, 21:31
Re: Celestial SimulatorPhil Sadler15 Mar 2018, 20:26
Re: Celestial SimulatorPhil Sadler15 Mar 2018, 20:22
Re: Celestial SimulatorFrank Reed15 Mar 2018, 17:32
A message to Herman DekkerStan K15 Mar 2018, 05:49
Re: Short Dip distanceStan K15 Mar 2018, 16:04
Re: Celestial SimulatorPhil Sadler15 Mar 2018, 13:25
Re: Celestial SimulatorPhil Sadler15 Mar 2018, 13:16
Re: Celestial SimulatorPhil Sadler15 Mar 2018, 13:13
Re: Celestial SimulatorPhil Sadler15 Mar 2018, 13:14
Re: Short Dip distanceGreg Rudzinski15 Mar 2018, 12:29
Re: Celestial SimulatorLuc Van den Borre15 Mar 2018, 09:54
Re: Celestial SimulatorLuc Van den Borre15 Mar 2018, 07:55
Re: Celestial SimulatorSean C15 Mar 2018, 07:14
Short Dip distanceBob McDowell15 Mar 2018, 06:12
Re: Celestial SimulatorFrank Reed15 Mar 2018, 03:12
Re: No Celestial Love in ECDISMichael Bradley14 Mar 2018, 21:09
Re: Distance to Horizon by DipFrank Reed14 Mar 2018, 18:49
Distance to Horizon by DipBob Goethe14 Mar 2018, 18:15
Re: An azimuth nomogram: what's under the hood?Robin Stuart14 Mar 2018, 18:10
Re: No Celestial Love in ECDISGreg Rudzinski14 Mar 2018, 16:39
Re: An azimuth nomogram: what's under the hood?Bob Crawley14 Mar 2018, 12:15
Re: An azimuth nomogram: what's under the hood?Roger W. Sinnott14 Mar 2018, 11:02
Re: An azimuth nomogram: what's under the hood?Stan K13 Mar 2018, 22:57
Re: An azimuth nomogram: what's under the hood?Robin Stuart13 Mar 2018, 19:17
Re: An azimuth nomogram: what's under the hood?Tony Oz13 Mar 2018, 18:42
Re: An azimuth nomogram: what's under the hood?Robert Wyatt13 Mar 2018, 18:15
Re: An azimuth nomogram: what's under the hood?Frank Reed13 Mar 2018, 17:38
Re: An azimuth nomogram: what's under the hood?Robin Stuart13 Mar 2018, 17:07
Re: Odd star brightness as seen from ISS night orbitsFrank Reed13 Mar 2018, 16:42
Re: An azimuth nomogram: what's under the hood?Tony Oz13 Mar 2018, 16:37
Re: An azimuth nomogram: what's under the hood?Bob Goethe13 Mar 2018, 16:34
Re: An azimuth nomogram: what's under the hood?Tony Oz13 Mar 2018, 16:33
Re: An azimuth nomogram: what's under the hood?Tony Oz13 Mar 2018, 15:02
Re: An azimuth nomogram: what's under the hood?Bruce J. Pennino13 Mar 2018, 14:09
Re: An azimuth nomogram: what's under the hood?Robin Stuart13 Mar 2018, 13:36
Re: An azimuth nomogram: what's under the hood?Tony Oz13 Mar 2018, 10:31
Re: An azimuth nomogram: what's under the hood?Roger W. Sinnott13 Mar 2018, 10:27
Re: Erasing E6-B and Polhemus PlotsDavid Pike13 Mar 2018, 07:59
Re: Flight Levels CelNav; 02/10/2018Gary LaPook13 Mar 2018, 07:53
Re: Flight Levels CelNav; 02/10/2018Gary LaPook13 Mar 2018, 07:27
Re: Erasing E6-B and Polhemus PlotsGary LaPook13 Mar 2018, 06:57
Re: An azimuth nomogram: what's under the hood?Sean C13 Mar 2018, 05:35
Re: An azimuth nomogram: what's under the hood?Sean C13 Mar 2018, 05:15
Re: An azimuth nomogram: what's under the hood?Sean C13 Mar 2018, 05:10
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook12 Mar 2018, 22:09
Re: An azimuth nomogram: what's under the hood?Gary LaPook12 Mar 2018, 22:11
Re: Another round on the fate of Amelia Earhart in today's newsJackson McDonald12 Mar 2018, 21:58
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook12 Mar 2018, 21:27
An azimuth nomogram: what's under the hood?Tony Oz12 Mar 2018, 18:27
Re: No Celestial Love in ECDISFrank Reed12 Mar 2018, 17:54
Re: No Celestial Love in ECDISAndrés Ruiz12 Mar 2018, 17:05
Re: No Celestial Love in ECDISGreg Rudzinski12 Mar 2018, 15:11
Re: No Celestial Love in ECDISAndrés Ruiz12 Mar 2018, 14:00
Odd star brightness as seen from ISS night orbitsEd Popko12 Mar 2018, 12:53
Re: Procedure for points on a circle of positionAndrés Ruiz12 Mar 2018, 09:04
Re: No Celestial Love in ECDISAndrés Ruiz12 Mar 2018, 08:55
Re: Thridrangaviti LighthouseAndrés Ruiz12 Mar 2018, 08:54
Re: NAO Concise Reduction FormBob McDowell12 Mar 2018, 06:55
Re: NAO Concise Reduction FormBob McDowell12 Mar 2018, 06:50
Re: No Celestial Love in ECDISFrank Reed12 Mar 2018, 02:26
Re: No Celestial Love in ECDISGreg Rudzinski11 Mar 2018, 23:09
Re: No Celestial Love in ECDISJeremy C11 Mar 2018, 22:23
Celestial SimulatorPhil Sadler11 Mar 2018, 21:44
Re: NAO Concise Reduction FormStan K11 Mar 2018, 21:03
Procedure for points on a circle of positionFrank Reed11 Mar 2018, 18:49
Re: Busy night as workers adjust British henge sites for saving timeDennis Jewitt11 Mar 2018, 18:17
NAO Concise Reduction FormBob McDowell11 Mar 2018, 17:53
Re: No Celestial Love in ECDISMichael Bradley11 Mar 2018, 17:49
Re: Erasing E6-B and Polhemus PlotsJacob M. Huffman III11 Mar 2018, 15:40
Busy night as workers adjust British henge sites for saving timeEd Popko11 Mar 2018, 13:27
Re: No Celestial Love in ECDISGreg Rudzinski11 Mar 2018, 13:05
Re: Getting UT1/GMTTony Oz11 Mar 2018, 10:36
No Celestial Love in ECDISJeremy C11 Mar 2018, 10:16
Re: Getting UT1/GMTTony Oz11 Mar 2018, 09:48
Re: Erasing E6-B and Polhemus PlotsAlan S11 Mar 2018, 04:56
Re: Erasing E6-B and Polhemus PlotsAlan S11 Mar 2018, 04:39
Re: Another round on the fate of Amelia Earhart in today's newsDon Seltzer11 Mar 2018, 01:11
Re: Another round on the fate of Amelia Earhart in today's newsTony Oz10 Mar 2018, 21:42
Re: Artificial Horizon Sun Moon Fix by Casio fx 260Lars Bergman10 Mar 2018, 20:45
Re: Erasing E6-B and Polhemus PlotsMike Burkes10 Mar 2018, 19:53
Re: Erasing E6-B and Polhemus PlotsPaul Hirose10 Mar 2018, 19:45
Re: Erasing E6-B and Polhemus PlotsMike Burkes10 Mar 2018, 19:32
Re: Another round on the fate of Amelia Earhart in today's newsBrad Morris10 Mar 2018, 13:19
Re: Erasing E6-B and Polhemus PlotsEd Popko10 Mar 2018, 10:45
Re: Another round on the fate of Amelia Earhart in today's newsTony Oz10 Mar 2018, 07:00
Re: Erasing E6-B and Polhemus PlotsSean C10 Mar 2018, 06:27
Re: Erasing E6-B and Polhemus PlotsAlan S10 Mar 2018, 03:31
Getting UT1/GMTBob Goethe10 Mar 2018, 02:30
Thridrangaviti LighthouseBob Goethe10 Mar 2018, 01:55
Re: Flight Levels CelNav; 02/10/2018Tracy Shrier10 Mar 2018, 01:42
Re: Upcoming celestial classes at Mystic SeaportBob Goethe9 Mar 2018, 23:07
Upcoming celestial classes at Mystic SeaportFrank Reed9 Mar 2018, 21:29
ADMIN: NavList Operations contributionsFrank Reed9 Mar 2018, 20:09
Re: Erasing E6-B and Polhemus PlotsDavid Pike9 Mar 2018, 19:31
Another Earhart mystery?Lu Abel9 Mar 2018, 18:20
Re: Erasing E6-B and Polhemus PlotsHewitt Schlereth9 Mar 2018, 17:23
Erasing E6-B and Polhemus PlotsEd Popko9 Mar 2018, 16:40
131 Year Old Message in a BottleNoell Wilson9 Mar 2018, 13:25
Re: NASA and celestial navigationWolfgang Köberer8 Mar 2018, 17:50
Re: Does this feel familiar?Jackson McDonald8 Mar 2018, 15:47
Does this feel familiar?Bob Crawley8 Mar 2018, 09:05
Re: CPlath Trommel Sextant to trade for a Freiberger Yacht SextantBob McDowell8 Mar 2018, 07:20
Re: CPlath Trommel Sextant to trade for a Freiberger Yacht SextantDan Pfeiffer8 Mar 2018, 01:00
Re: Polar Grid AirNav and Oceanic AirNavPaul Hirose7 Mar 2018, 21:29
"Sunburst and Luminary", Apollo software and navigationDon Seltzer7 Mar 2018, 15:52
Re: NASA and celestial navigationSean C7 Mar 2018, 03:04
Re: NASA and celestial navigationPeter Monta7 Mar 2018, 00:51
Artificial Horizon Sun Moon Fix by Casio fx 260Greg Rudzinski6 Mar 2018, 19:56
Re: NASA and celestial navigationGreg Rudzinski6 Mar 2018, 17:23
Re: NASA and celestial navigationFrank Reed6 Mar 2018, 16:39
Re: Polhemus in the Southern HemisphereEd Popko6 Mar 2018, 12:14
Re: NASA and celestial navigationEd Popko6 Mar 2018, 10:59
Re: Polhemus in the Southern HemisphereGary LaPook6 Mar 2018, 09:05
Re: NASA and celestial navigationGeoffrey Kolbe6 Mar 2018, 06:29
Re: NASA and celestial navigationAlan S6 Mar 2018, 04:04
Re: NASA and celestial navigationGreg Rudzinski5 Mar 2018, 21:11
NASA and celestial navigationFrank Reed5 Mar 2018, 20:17
CPlath Trommel Sextant to trade for a Freiberger Yacht SextantBob McDowell5 Mar 2018, 06:19
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook5 Mar 2018, 06:07
Re: Another round on the fate of Amelia Earhart in today's newsPaul Saffo5 Mar 2018, 04:28
Re: Many EBAY Sextants AvailableAlan S5 Mar 2018, 01:25
Re: Many EBAY Sextants AvailablePaul Bedel4 Mar 2018, 20:46
Re: Many EBAY Sextants AvailableAntoine Couëtte4 Mar 2018, 20:11
Re: Many EBAY Sextants AvailableRobert VanderPol II4 Mar 2018, 01:10
Re: Many EBAY Sextants AvailableEd Popko3 Mar 2018, 22:51
Re: The diagram on strip formRobert Pearson3 Mar 2018, 18:34
Many EBAY Sextants AvailableBruce J. Pennino3 Mar 2018, 15:10
Re: The diagram on strip formRobert VanderPol II3 Mar 2018, 14:17
Re: The diagram on strip formJeremy C3 Mar 2018, 08:15
Re: The diagram on strip formSean C3 Mar 2018, 05:58
The diagram on strip formBob Goethe2 Mar 2018, 16:35
Re: Gatty's Raft Manual mapTony Oz2 Mar 2018, 15:24
Polhemus in the Southern HemisphereEd Popko2 Mar 2018, 13:41
Gatty's Raft Manual mapBob Crawley2 Mar 2018, 09:36
Re: Another round on the fate of Amelia Earhart in today's newsTony Oz2 Mar 2018, 08:37
Re: Pyramid alignmentGeoffrey Kolbe2 Mar 2018, 06:52
Re: Polhemus computerAlan S2 Mar 2018, 05:46
Re: Pyramid alignmentFrank Reed2 Mar 2018, 00:41
Pyramid alignmentGary LaPook1 Mar 2018, 23:58
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Gary LaPook1 Mar 2018, 20:23
Re: Another round on the fate of Amelia Earhart in today's newsNoell Wilson1 Mar 2018, 20:09
Re: Another round on the fate of Amelia Earhart in today's newsDon Seltzer1 Mar 2018, 19:31
Re: Another round on the fate of Amelia Earhart in today's newsTony Oz1 Mar 2018, 11:37
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Paul Hughes1 Mar 2018, 11:15
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook1 Mar 2018, 09:43
Re: Flight Levels CelNav; 02/10/2018Gary LaPook1 Mar 2018, 09:10
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook1 Mar 2018, 08:53
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Geoffrey Kolbe1 Mar 2018, 07:10
Re: Another round on the fate of Amelia Earhart in today's newsGary LaPook1 Mar 2018, 05:47
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Tony Oz28 Feb 2018, 18:52
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Brad Morris28 Feb 2018, 18:16
Re: Quiet Month for NavListJohn Rizzuto28 Feb 2018, 14:12
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Tony Oz28 Feb 2018, 10:18
Re: The Defective State of the Nautical AlmanacRoger W. Sinnott27 Feb 2018, 20:26
Re: The Defective State of the Nautical AlmanacRoger W. Sinnott27 Feb 2018, 19:15
Re: The Defective State of the Nautical AlmanacRobert H. van Gent27 Feb 2018, 16:04
Re: The Defective State of the Nautical AlmanacFrank Reed27 Feb 2018, 15:56
Re: The Defective State of the Nautical AlmanacMartin Gardner27 Feb 2018, 15:36
Re: Quiet Month for NavListFrank Reed27 Feb 2018, 15:11
Re: Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Frank Reed27 Feb 2018, 14:41
Small zenith distance: a "bubble" sextant vs a Newtonian type sextant?Tony Oz27 Feb 2018, 14:13
Re: Sunrise to sunset azimuthAntoine Couëtte26 Feb 2018, 18:24
Re: Sunrise to sunset azimuthFrank Reed26 Feb 2018, 17:30
Re: Quiet Month for NavListFrank Reed26 Feb 2018, 17:30
Re: Quiet Month for NavListBrad Morris26 Feb 2018, 15:31
Re: Sunrise to sunset azimuthAntoine Couëtte26 Feb 2018, 14:43
Re: Quiet Month for NavListPaul Hughes26 Feb 2018, 11:47
Re: Polar Grid AirNav and Oceanic AirNavDavid Pike26 Feb 2018, 09:03
Re: Quiet Month for NavListJohn D. Howard26 Feb 2018, 05:15
Re: Quiet Month for NavListTom Sult26 Feb 2018, 04:30
Re: Polar Grid AirNav and Oceanic AirNavLudwig Schweinfurth26 Feb 2018, 01:56
Sunrise to sunset azimuthFrank Reed25 Feb 2018, 23:58
Re: Quiet Month for NavListDavid C25 Feb 2018, 22:17
Re: Quiet Month for NavListFrank Reed25 Feb 2018, 22:10
Re: Quiet Month for NavListFrank Reed25 Feb 2018, 22:05
Re: Quiet Month for NavListTom Sult25 Feb 2018, 21:13
Re: In a nutshell...Tom Sult25 Feb 2018, 21:12
Re: Quiet Month for NavListBob Goethe25 Feb 2018, 20:23
Quiet Month for NavListFrank Reed25 Feb 2018, 18:49
Re: In a nutshell...Frank Reed25 Feb 2018, 18:03
Re: Another round on the fate of Amelia Earhart in today's newsBrad Morris25 Feb 2018, 01:20
Re: Another round on the fate of Amelia Earhart in today's newsDon Seltzer24 Feb 2018, 23:25
(OT) Update to my Historical Atlas appsFrank Reed23 Feb 2018, 21:03
Re: GPS jamming concernsAlan S23 Feb 2018, 04:38
Re: I wonder how much celnav experience they had...David Pike22 Feb 2018, 17:39
Re: I wonder how much celnav experience they had...Daniel Loewer21 Feb 2018, 22:27
Re: In a nutshell...Antonio Sauci21 Feb 2018, 16:54
Re: Location without DRFrank Reed21 Feb 2018, 16:12
Re: My introductionTerry Syrokosz21 Feb 2018, 15:41
Re: Location without DRMarco A. Costa21 Feb 2018, 14:59
Re: In a nutshell...Mike Freeman21 Feb 2018, 10:27
Re: In a nutshell...Mike Freeman21 Feb 2018, 06:28
Re: Chas. C. Hutchinson sextantAlan S20 Feb 2018, 23:23
Re: In a nutshell...Robert Bernecky20 Feb 2018, 19:29
Re: My introductionDon Seltzer20 Feb 2018, 19:20
Re: In a nutshell...Frank Reed20 Feb 2018, 19:06
In a nutshell...Mike Freeman20 Feb 2018, 18:14
Re: Proof-reading the OCR of Cotter's "History..."Tony Oz20 Feb 2018, 14:39
Re: My introductionEd Popko20 Feb 2018, 11:08
Re: Proof-reading the OCR of Cotter's "History..."Tony Oz20 Feb 2018, 09:01
Re: My introductionAntoine Couëtte20 Feb 2018, 06:12
My introductionTerry Syrokosz20 Feb 2018, 00:32
Re: Proof-reading the OCR of Cotter's "History..."Frank Reed19 Feb 2018, 19:08
Re: Location without DRFrank Reed19 Feb 2018, 18:30
Re: Location without DREd Popko19 Feb 2018, 17:18
Re: Location without DRDavid Fleming19 Feb 2018, 16:39
Re: Proof-reading the OCR of Cotter's "History..."Brad Morris19 Feb 2018, 14:07
Re: Location without DREd Popko19 Feb 2018, 11:44
Re: Proof-reading the OCR of Cotter's "History..."Tony Oz19 Feb 2018, 11:16
Flight Levels CelNav; 02/10/2018Tracy Shrier19 Feb 2018, 05:24
Re: Location without DRSean C19 Feb 2018, 02:56
Re: Location without DRPaul Hirose17 Feb 2018, 21:58
Re: The Defective State of the Nautical AlmanacÖrjan Sandström17 Feb 2018, 05:44
Re: Where the Bing are we?David Fleming16 Feb 2018, 23:19
Re: Location without DRMarco A. Costa16 Feb 2018, 22:19
Re: Where the Bing are we?David Pike16 Feb 2018, 21:29
Re: Where the Bing are we?Antoine Couëtte16 Feb 2018, 18:31
Proof-reading the OCR of Cotter's "History..."Tony Oz16 Feb 2018, 15:31
Re: Where the Bing are we?Greg Rudzinski16 Feb 2018, 13:57
Re: Where the Bing are we?David Pike16 Feb 2018, 12:16
Re: Where the Bing are we?David Pike16 Feb 2018, 11:27
Re: The "golden rule of three" - what's that?Paul Hughes16 Feb 2018, 08:33
AP1234 plus exam on ebay £60Bob Crawley16 Feb 2018, 08:23
Where the Bing are we?Frank Reed16 Feb 2018, 03:56
The Defective State of the Nautical AlmanacFrank Reed16 Feb 2018, 02:44
Re: The "golden rule of three" - what's that?Frank Reed15 Feb 2018, 23:01
Re: The "golden rule of three" - what's that?David Pike15 Feb 2018, 21:31
Where is the Earth?Frank Reed15 Feb 2018, 20:24
Re: X-ray sextantPaul Dolkas14 Feb 2018, 19:44
Re: Delta T long term formulaPaul Hirose14 Feb 2018, 19:17
Re: The "golden rule of three" - what's that?Herman Dekker14 Feb 2018, 09:38
Re: The "golden rule of three" - what's that?John D. Howard14 Feb 2018, 03:43
Re: The "golden rule of three" - what's that?Frank Reed14 Feb 2018, 02:50
Re: The "golden rule of three" - what's that?John D. Howard14 Feb 2018, 02:25
Re: The "golden rule of three" - what's that?Frank Reed13 Feb 2018, 17:53
Re: The "golden rule of three" - what's that?Tony Oz12 Feb 2018, 15:11
Re: The "golden rule of three" - what's that?Bill Lionheart12 Feb 2018, 08:51
Re: The "golden rule of three" - what's that?Brad Morris11 Feb 2018, 23:54
Re: The "golden rule of three" - what's that?Don Seltzer11 Feb 2018, 23:35
The "golden rule of three" - what's that?Tony Oz11 Feb 2018, 22:52
Chas. C. Hutchinson sextantJackson McDonald11 Feb 2018, 22:23
Re: I wonder how much celnav experience they had...Lu Abel11 Feb 2018, 20:10
Re: I wonder how much celnav experience they had...Greg Rudzinski11 Feb 2018, 18:30
I wonder how much celnav experience they had...Paul Saffo11 Feb 2018, 17:24
Re: X-ray sextantRobert Eno11 Feb 2018, 07:26
Re: Deriving the Bygrave equationsGary LaPook11 Feb 2018, 06:32
Re: X-ray sextantFrank Reed10 Feb 2018, 21:05
X-ray sextantJackson McDonald10 Feb 2018, 20:39
Re: NavList Twitter feedFrank Reed10 Feb 2018, 20:28
Re: Read the vernier, get the noon latitudeBrad Morris10 Feb 2018, 18:24
Re: Puzzled by Douglas Protractor InstructionsMartin Gardner10 Feb 2018, 15:14
Re: Deriving the Bygrave equationsGeoffrey Kolbe10 Feb 2018, 14:36
Re: Read the vernier, get the noon latitudeWilliam A10 Feb 2018, 07:35
Re: Antique SextantFrank Reed9 Feb 2018, 20:11
Re: Antique SextantJackson McDonald9 Feb 2018, 20:04
Re: Deriving the Bygrave equationsPaul Hirose9 Feb 2018, 18:34
Re: Antique SextantAlan S9 Feb 2018, 18:02
Re: Antique SextantGreg Rudzinski9 Feb 2018, 13:04
Re: Kollsman periscopic sextant mountDavid Pike9 Feb 2018, 09:29
Re: Kollsman periscopic sextant mountGary LaPook9 Feb 2018, 07:56
Re: Antique SextantFrank Reed9 Feb 2018, 05:57
Re: Antique SextantAlan S9 Feb 2018, 05:04
Re: Kollsman periscopic sextant mountRussell Crum9 Feb 2018, 02:48
Antique SextantGreg Rudzinski8 Feb 2018, 23:15
Re: Read the vernier, get the noon latitudeGary LaPook8 Feb 2018, 18:57
Re: Read the vernier, get the noon latitudeWilliam A8 Feb 2018, 18:19
Re: Vacation-time LunarsEd Popko7 Feb 2018, 22:46
Horizon noise near ClevelandFrank Reed7 Feb 2018, 21:56
Re: Vacation-time LunarsFrank Reed7 Feb 2018, 20:55
Re: Cotter's "History of Nautical Astronomy" on ebayTony Oz7 Feb 2018, 18:05
Re: Cotter's "History of Nautical Astronomy" on ebayFrank Reed7 Feb 2018, 17:31
Re: Cotter's "History of Nautical Astronomy" on ebayTony Oz7 Feb 2018, 15:04
Re: Mickey Mouse's dog is backTony Oz7 Feb 2018, 10:28
Re: Latitude by law of cosinesAndrés Ruiz7 Feb 2018, 09:29
Re: Read the vernier, get the noon latitudeSean C7 Feb 2018, 03:36
Re: Oblateness calculation given observer's latitudeFrank Reed7 Feb 2018, 03:28
Re: What is your GP?Greg Rudzinski7 Feb 2018, 01:28
Re: What is your GP?Don Seltzer7 Feb 2018, 01:02
Re: What is your GP?Bob Goethe6 Feb 2018, 23:46
Re: Read the vernier, get the noon latitudeFrank Reed6 Feb 2018, 23:26
Deriving the Bygrave equationsBob Goethe6 Feb 2018, 23:23
What is your GP?Frank Reed6 Feb 2018, 23:08
Re: Read the vernier, get the noon latitudeDavid Pike6 Feb 2018, 22:01
Re: Latitude by law of cosinesGary LaPook6 Feb 2018, 21:07
Re: Read the vernier, get the noon latitudeGary LaPook6 Feb 2018, 21:04
Re: Latitude by law of cosinesFrank Reed6 Feb 2018, 20:59
Re: Read the vernier, get the noon latitudeBob Goethe6 Feb 2018, 20:23
Re: Read the vernier, get the noon latitudeGreg Rudzinski6 Feb 2018, 20:18
Re: Read the vernier, get the noon latitudeGary LaPook6 Feb 2018, 20:16
Re: Read the vernier, get the noon latitudeGreg Rudzinski6 Feb 2018, 20:06
Read the vernier, get the noon latitudeFrank Reed6 Feb 2018, 19:46
Re: Oblateness calculation given observer's latitudePeter Monta5 Feb 2018, 17:03
Re: Delta T long term formulaAntoine Couëtte5 Feb 2018, 13:46
Re: Delta T long term formulaGeoffrey Kolbe4 Feb 2018, 17:31
Re: Mickey Mouse's dog is backPaul Werner3 Feb 2018, 18:13
Delta T long term formulaPaul Hirose3 Feb 2018, 17:38
Vacation-time Lunars (cont.)Ed Popko3 Feb 2018, 12:29
Vacation-time LunarsEd Popko2 Feb 2018, 21:32
Re: Oblateness calculation given observer's latitudeFrank Reed1 Feb 2018, 06:20
Re: Oblateness calculation given observer's latitudeFrank Reed1 Feb 2018, 05:43
Re: Lunars-liteRoger W. Sinnott31 Jan 2018, 15:05
Satellite-derived Time and Position: A Study of Critical DependenciesDavid Pike31 Jan 2018, 08:28
NavList Twitter feedFrank Reed31 Jan 2018, 01:28
Re: Lunars-litePeter Monta31 Jan 2018, 00:23
Re: Oblateness calculation given observer's latitudePeter Monta31 Jan 2018, 00:01
Re: Mickey Mouse's dog is backNoell Wilson30 Jan 2018, 23:21
Re: Oblateness calculation given observer's latitudeFrank Reed30 Jan 2018, 21:52
Re: Oblateness calculation given observer's latitudePaul Hughes30 Jan 2018, 11:18
Planned GNSS denial in the USDavid Pike30 Jan 2018, 12:13
Re: Mickey Mouse's dog is backGary LaPook30 Jan 2018, 07:07
Re: Mickey Mouse's dog is backSean C30 Jan 2018, 04:20
Re: Lunars-liteRoger W. Sinnott30 Jan 2018, 02:34
Mickey Mouse's dog is backGary LaPook30 Jan 2018, 01:35
Re: Oblateness calculation given observer's latitudePeter Monta30 Jan 2018, 00:08
Re: Lunars-litePeter Monta29 Jan 2018, 23:59
Re: Lunars-litePeter Monta29 Jan 2018, 23:32
Re: Oblateness calculation given observer's latitudeEd Popko29 Jan 2018, 20:48
Re: Oblateness calculation given observer's latitudeFrank Reed29 Jan 2018, 20:12
Oblateness calculation given observe r’s latitudeEd Popko29 Jan 2018, 19:23
Lunars-liteRoger W. Sinnott29 Jan 2018, 12:15
Re: Artifical HorizonAlan S28 Jan 2018, 01:40
Re: Artifical HorizonTerry Syrokosz27 Jan 2018, 20:55
Re: Margetts' 1790 Longitude TablesFrancis Upchurch27 Jan 2018, 07:03
Re: Margetts' 1790 Longitude TablesEd Popko26 Jan 2018, 20:28
Re: Margetts' 1790 Longitude TablesFrank Reed26 Jan 2018, 18:55
Margetts' 1790 Longitude TablesEd Popko26 Jan 2018, 15:08
Re: Artifical HorizonGreg Rudzinski26 Jan 2018, 12:59
Re: Question about old sextantAndrés Ruiz26 Jan 2018, 10:20
Re: Artifical HorizonDavid Pike26 Jan 2018, 10:03
Re: Question about old sextantRobert H. van Gent26 Jan 2018, 10:02
Re: Artifical HorizonAndrés Ruiz26 Jan 2018, 09:50
Re: Question about old sextantWolfgang Köberer26 Jan 2018, 09:15
Re: Some Link A12 Sextant QuestionsKen Gebhart26 Jan 2018, 04:54
Re: Artifical HorizonTerry Syrokosz26 Jan 2018, 02:36
Re: Artifical HorizonTerry Syrokosz26 Jan 2018, 02:22
Re: Moon sight reductionTerry Syrokosz25 Jan 2018, 23:11
Re: Artifical HorizonGreg Rudzinski25 Jan 2018, 23:07
Re: Moon sight reductionTerry Syrokosz25 Jan 2018, 22:59
Re: Some Link A12 Sextant QuestionsDavid Pike25 Jan 2018, 22:33
Re: Artifical HorizonDavid Pike25 Jan 2018, 22:00
Re: Moon sight reductionGary LaPook25 Jan 2018, 21:51
Re: Moon sight reductionStan K25 Jan 2018, 21:30
Re: Artifical HorizonGreg Rudzinski25 Jan 2018, 20:39
Re: Question about old sextantPeter Monta25 Jan 2018, 19:29
Question about old sextantGerman Diaz25 Jan 2018, 17:37
Artifical HorizonTerry Syrokosz25 Jan 2018, 17:46
Moon sight reductionTerry Syrokosz25 Jan 2018, 17:41
Re: Some Link A12 Sextant QuestionsGeoffrey Kolbe25 Jan 2018, 13:21
Useful modifications to the Polhemus computerGary LaPook25 Jan 2018, 11:43
Re: Some Link A12 Sextant QuestionsAndrés Ruiz25 Jan 2018, 09:13
Re: DIY long-term almanac for calculatorsAndrés Ruiz25 Jan 2018, 08:37
Re: Some Link A12 Sextant QuestionsDavid Pike24 Jan 2018, 22:38
Re: Latitude by law of cosinesCharles McElhill24 Jan 2018, 13:52
Re: DIY long-term almanac for calculatorsAntoine Couëtte24 Jan 2018, 11:37
Re: DIY long-term almanac for calculatorsTony Oz24 Jan 2018, 09:29
Re: DIY long-term almanac for calculatorsPaul Hirose23 Jan 2018, 21:32
Re: Gnomonic charts and distancesDavid Fleming23 Jan 2018, 20:26
Re: Latitude by law of cosinesChris Caswell23 Jan 2018, 20:07
Re: Gnomonic charts and distancesFrank Reed23 Jan 2018, 19:57
Re: GC Routes & Strings on GlobesFrank Reed23 Jan 2018, 17:15
Re: Gnomonic charts and distancesRobin Stuart23 Jan 2018, 14:42
Re: GC Routes & Strings on GlobesGary LaPook23 Jan 2018, 08:10
GC Routes & Strings on GlobesSean C23 Jan 2018, 04:39
Re: Latitude by law of cosinesFrank Reed23 Jan 2018, 00:31
Re: DIY long-term almanac for calculatorsMurray Peake22 Jan 2018, 23:11
Re: Latitude by law of cosinesChris Caswell22 Jan 2018, 23:05
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz22 Jan 2018, 20:43
Re: Gnomonic charts and distancesFrank Reed22 Jan 2018, 19:35
Re: Gnomonic Charts - Usable ZonesStan K22 Jan 2018, 19:11
Gnomonic charts and distancesBob Goethe22 Jan 2018, 19:07
Supermoon maniaFrank Reed22 Jan 2018, 18:43
Re: Some Link A12 Sextant QuestionsTracy Shrier22 Jan 2018, 18:41
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz22 Jan 2018, 18:14
Re: Gnomonic Charts - Usable ZonesStan K22 Jan 2018, 16:53
Re: Gnomonic Charts - Usable ZonesStan K22 Jan 2018, 16:29
Re: Gnomonic Charts - Usable ZonesStan K22 Jan 2018, 15:50
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz22 Jan 2018, 13:08
Re: Gnomonic Charts - Usable ZonesEd Popko22 Jan 2018, 10:38
Re: Some Link A12 Sextant QuestionsGary LaPook22 Jan 2018, 07:15
Re: Flight Levels CelNav: 01/10/2018Gary LaPook22 Jan 2018, 07:04
Re: Gnomonic Charts - Usable ZonesFrank Reed22 Jan 2018, 06:00
Re: Some Link A12 Sextant QuestionsPaul Hirose22 Jan 2018, 05:28
Flight Levels CelNav: 01/10/2018Tracy Shrier22 Jan 2018, 05:18
Re: Gnomonic Charts - Usable ZonesStan K22 Jan 2018, 00:04
Re: Some Link A12 Sextant QuestionsTracy Shrier21 Jan 2018, 22:36
2017 Bowditch ErrataAntonio Sauci21 Jan 2018, 21:49
Some Link A12 Sextant QuestionsDavid Pike21 Jan 2018, 16:11
Re: Ex-meridian table methodologyGreg Rudzinski21 Jan 2018, 14:12
Ex-meridian table methodologyJeremy C21 Jan 2018, 04:52
Re: Gnomonic Charts - personal experience/challengeJeremy C20 Jan 2018, 23:37
Re: Gnomonic Charts - Usable ZonesJeremy C20 Jan 2018, 23:25
Re: Gnomonic Charts - Usable ZonesFrank Reed20 Jan 2018, 21:14
Re: Semi-diameter of moonFrank Reed20 Jan 2018, 20:52
Semi-diameter of moonBob Goethe20 Jan 2018, 20:25
Re: Gnomonic Charts - Usable ZonesFrank Reed20 Jan 2018, 17:31
Re: Gnomonic Charts - Usable ZonesJeremy C20 Jan 2018, 13:38
Re: Call for Papers reminder: History of navigation conferenceFrank Reed20 Jan 2018, 02:00
Re: Gnomonic Charts - Usable ZonesFrank Reed19 Jan 2018, 18:27
Re: Gnomonic Charts - Usable ZonesAndrés Ruiz19 Jan 2018, 17:32
Re: The "mysterious" John Karl's book formulasAndrés Ruiz19 Jan 2018, 17:21
Re: Gnomonic Charts - Usable ZonesBob Goethe19 Jan 2018, 16:54
Re: Gnomonic Charts - Usable ZonesJohn D. Howard19 Jan 2018, 16:38
Re: Gnomonic Charts - Usable ZonesStan K19 Jan 2018, 16:28
Re: Gnomonic Charts - Usable ZonesStan K19 Jan 2018, 16:24
Re: Gnomonic Charts - Usable ZonesAntoine Couëtte19 Jan 2018, 16:24
Re: Gnomonic Charts - Usable ZonesRobin Stuart19 Jan 2018, 16:06
Re: Gnomonic Charts - Usable ZonesGreg Rudzinski19 Jan 2018, 15:08
Re: DIY long-term almanac for calculatorsAndrés Ruiz19 Jan 2018, 10:55
Re: Gnomonic Charts - Usable ZonesSean C19 Jan 2018, 09:17
Re: Gnomonic Charts - Usable ZonesPaul Hirose19 Jan 2018, 08:49
Navigating with GPS, opticallyPeter Monta19 Jan 2018, 08:42
Re: Gnomonic Charts - Usable ZonesBob Goethe19 Jan 2018, 06:47
The "mysterious" John Karl's book formulasAntonio Sauci19 Jan 2018, 05:28
Re: Latitude by law of cosinesFrank Reed19 Jan 2018, 05:23
Re: Gnomonic Charts - Usable ZonesFrank Reed19 Jan 2018, 03:09
Gnomonic Charts - Usable ZonesBob Goethe19 Jan 2018, 02:43
Re: Archeological Celestial QuestionPaul Hirose18 Jan 2018, 22:44
Re: Archeological Celestial QuestionDon Seltzer18 Jan 2018, 21:08
Re: DIY long-term almanac for calculatorsFrank Reed18 Jan 2018, 20:41
Re: DIY long-term almanac for calculatorsPaul Hirose18 Jan 2018, 19:37
Re: Archeological Celestial QuestionFrank Reed18 Jan 2018, 19:15
Re: Archeological Celestial QuestionPaul Saffo18 Jan 2018, 15:15
Re: Archeological Celestial QuestionTony Oz18 Jan 2018, 14:28
Re: DIY long-term almanac for calculatorsBruce Cutting17 Jan 2018, 20:18
Archeological Celestial QuestionMark Coady17 Jan 2018, 18:33
Re: Shadow sights for longitudeJohn A Brown17 Jan 2018, 18:08
Re: Flight Levels CelNav; 11/10/2017Gary LaPook17 Jan 2018, 09:59
Re: Flight Levels CelNav; 11/10/2017Gary LaPook17 Jan 2018, 09:43
Re: Flight Levels CelNav; 11/10/2017Tracy Shrier17 Jan 2018, 05:43
Re: DIY long-term almanac for calculatorsPaul Hirose17 Jan 2018, 05:32
Re: Latitude by law of cosinesFred Hebard17 Jan 2018, 05:02
Re: USS Fitzgerald collision with container shipGary LaPook17 Jan 2018, 01:38
Re: Latitude by law of cosinesChris Caswell16 Jan 2018, 22:20
Re: DIY long-term almanac for calculatorsMurray Peake16 Jan 2018, 10:47
Re: Latitude by law of cosinesFrank Reed15 Jan 2018, 23:51
Re: Latitude by law of cosinesChris Caswell15 Jan 2018, 23:21
Re: Degree symbol anomalyRobert Bernecky15 Jan 2018, 21:58
Re: Degree symbol anomalyFrank Reed15 Jan 2018, 16:59
Re: DIY long-term almanac for calculatorsAntoine Couëtte15 Jan 2018, 16:42
DIY long-term almanac for calculatorsTony Oz15 Jan 2018, 10:52
Degree symbol anomalyPaul Hirose15 Jan 2018, 08:03
Re: Latitude by law of cosinesRobert Bernecky15 Jan 2018, 01:38
Latitude by law of cosinesChris Caswell14 Jan 2018, 22:08
Re: SHA vs RAGary LaPook14 Jan 2018, 22:03
Re: Shadow sights for longitudeGreg Rudzinski14 Jan 2018, 19:08
Re: SHA vs RADavid Pike14 Jan 2018, 17:49
Re: SHA vs RAFrank Reed14 Jan 2018, 16:40
SHA vs RABob Goethe14 Jan 2018, 15:50
Re: Flight Levels CelNav; 11/10/2017David Pike14 Jan 2018, 13:00
Re: Shadow sights for longitudeFrank Reed14 Jan 2018, 08:36
Re: Shadow sights for longitudeJohn A Brown14 Jan 2018, 08:01
Re: Shadow sights for longitudeGeoffrey Kolbe14 Jan 2018, 07:40
Re: Etymology of "loom"?Markus O.14 Jan 2018, 04:11
Re: Shadow sights for longitudeBrad Morris13 Jan 2018, 20:05
Re: Shadow sights for longitudeDavid Fleming13 Jan 2018, 18:47
Re: The Easy LunarsCharles McElhill13 Jan 2018, 09:53
Re: Shadow sights for longitudeDavid Pike13 Jan 2018, 08:02
Re: Shadow sights for longitudeGeoffrey Kolbe13 Jan 2018, 07:26
Re: Shadow sights for longitudePeter Monta13 Jan 2018, 04:43
Re: Shadow sights for longitudeDavid Fleming13 Jan 2018, 03:40
Re: Shadow sights for longitudeMark Knudsen13 Jan 2018, 01:15
Re: The Easy LunarsSean C12 Jan 2018, 23:43
The Easy LunarsCharles McElhill12 Jan 2018, 22:08
Re: Shadow sights for longitudeDavid Fleming12 Jan 2018, 21:06
Re: Shadow sights for longitudeMark Knudsen12 Jan 2018, 19:31
Re: Shadow sights for longitudeMark Knudsen12 Jan 2018, 18:54
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz12 Jan 2018, 18:08
Star identification via Bygrave formulasPaul Hirose12 Jan 2018, 16:48
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz12 Jan 2018, 12:35
Re: Reduction of occultation of starsRoger W. Sinnott12 Jan 2018, 01:43
Re: Reduction of occultation of starsAntoine Couëtte11 Jan 2018, 22:50
Re: Shadow sights for longitudeJohn Rizzuto11 Jan 2018, 21:22
Re: Reduction of occultation of starsMurray Peake11 Jan 2018, 18:04
Re: Reduction of occultation of starsMurray Peake11 Jan 2018, 16:47
Re: Reduction of occultation of starsRoger W. Sinnott11 Jan 2018, 16:42
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz11 Jan 2018, 16:23
Re: Shadow sights for longitudeJohn A Brown11 Jan 2018, 16:03
Re: Soviet navy emergency navigation manual (Pub.9049)Andrew Nikitin11 Jan 2018, 13:32
Re: Reduction of occultation of starsAntoine Couëtte11 Jan 2018, 11:18
Re: Soviet navy emergency navigation manual (Pub.9049)Tony Oz10 Jan 2018, 19:54
Re: Cotter's "History of Nautical Astronomy" on ebayDavid C10 Jan 2018, 19:04
Re: Cotter's "History of Nautical Astronomy" on ebayFrank Reed10 Jan 2018, 18:22
Re: Reduction of occultation of starsMurray Peake10 Jan 2018, 18:01
Re: Soviet navy emergency navigation manual (Pub.9049)Bob Goethe10 Jan 2018, 17:51
Re: Reduction of occultation of starsRobin Stuart10 Jan 2018, 16:25
Soviet navy emergency navigation manual (Pub.9049)Tony Oz10 Jan 2018, 16:25
Re: Latitude by two stars ...on a Party BoatAntoine Couëtte10 Jan 2018, 11:31
Reduction of occultation of starsMurray Peake9 Jan 2018, 20:38
Re: A noon fix inland with an peri-sextantDavid Pike9 Jan 2018, 19:13
Re: A noon fix inland with an peri-sextantBrad Morris9 Jan 2018, 18:21
Re: A noon fix inland with an peri-sextantMark Knudsen9 Jan 2018, 17:56
Re: A noon fix inland with an peri-sextantDavid Pike9 Jan 2018, 16:51
Re: Latitude by two stars ...on a Party BoatBob Crawley9 Jan 2018, 16:35
Shadow sights for longitudeJohn A Brown9 Jan 2018, 15:53
Re: Latitude by two stars ...on a Party BoatAntoine Couëtte9 Jan 2018, 15:33
Re: Coriolis Acceleration -- A general caseDavid Pike9 Jan 2018, 14:33
Re: GPS Anti Spoof appEd Popko9 Jan 2018, 11:35
Re: 'Standard' Dome Refraction TableDavid Pike9 Jan 2018, 10:22
Re: Flight Levels CelNav; 11/10/2017Gary LaPook9 Jan 2018, 09:57
Re: Coriolis Acceleration -- A general caseDavid Pike9 Jan 2018, 09:48
Re: A noon fix inland with an peri-sextantMark Knudsen9 Jan 2018, 03:34
Re: Coriolis Acceleration -- A general caseGary LaPook8 Jan 2018, 23:10
Re: GPS Anti Spoof appGreg Rudzinski8 Jan 2018, 22:34
Re: Flight Levels CelNav; 11/10/2017David Pike8 Jan 2018, 21:00
Re: GPS Anti Spoof appEd Popko8 Jan 2018, 20:20
Re: GPS Anti Spoof appFrank Reed8 Jan 2018, 20:00
Re: A noon fix inland with an peri-sextantDavid Pike8 Jan 2018, 19:18
Re: 'Standard' Dome Refraction TableFrank Reed8 Jan 2018, 18:59
Re: 'Standard' Dome Refraction TableTracy Shrier8 Jan 2018, 17:20
Re: A noon fix inland with an peri-sextantMark Knudsen8 Jan 2018, 16:43
Re: Flight Levels CelNav; 11/10/2017Antoine Couëtte8 Jan 2018, 15:32
Re: Coriolis Acceleration -- A general caseAntoine Couëtte8 Jan 2018, 14:11
Re: A noon fix inland with an peri-sextantAntoine Couëtte8 Jan 2018, 10:52
Flight Levels CelNav; 11/10/2017Tracy Shrier8 Jan 2018, 05:02
Re: Bygrave sight reduction by slide rulePaul Hirose8 Jan 2018, 04:40
Re: A noon fix inland with an peri-sextantAntoine Couëtte7 Jan 2018, 19:23
Re: Lunar distance and nautical almanacDucruy Jacques7 Jan 2018, 15:52
Re: Lunar distance and nautical almanacWolfgang Köberer7 Jan 2018, 11:56
'Standard' Dome Refraction TableDavid Pike6 Jan 2018, 22:27
Re: Solstice Sun LinesDavid Pike6 Jan 2018, 22:06
Re: Lunar distance and nautical almanacDucruy Jacques6 Jan 2018, 12:36
Re: Solstice Sun LinesBrian Walton6 Jan 2018, 04:50
Re: Solstice Sun LinesTracy Shrier6 Jan 2018, 03:01
Re: Solstice Sun LinesTracy Shrier6 Jan 2018, 02:04
Re: Lunar distance and nautical almanacPeter Monta6 Jan 2018, 00:02
Re: Latitude by two stars ...on a Party BoatFrank Reed5 Jan 2018, 23:42
Lunar distance and nautical almanacDucruy Jacques5 Jan 2018, 21:35
Re: GPS Anti Spoof appDavid Pike5 Jan 2018, 20:26
Re: Latitude by two stars ...on a Party BoatBob Crawley5 Jan 2018, 08:15
Re: Time-lapse movie with starsFrank Reed5 Jan 2018, 07:23
"Bomb Cyclone" GRIBSean C5 Jan 2018, 06:15
Call for Papers reminder: History of navigation conferenceRichard Dunn4 Jan 2018, 15:24
Time-lapse movie with starsPeter Monta4 Jan 2018, 02:04
Re: Time zones article (from quartz/qz.com)Peter Van Dine3 Jan 2018, 04:58
Time zones article (from quartz/qz.com)Jackson McDonald3 Jan 2018, 01:22
Re: Bygrave sight reduction by slide rulePaul Hirose2 Jan 2018, 22:44
Re: GPS Anti Spoof appFrank Reed1 Jan 2018, 21:01
Re: GPS Anti Spoof appAndrés Ruiz1 Jan 2018, 18:28

Index includes 2712 messages.

NavList

What is NavList?

Join NavList

Name:
(please, no nicknames or handles)
Email:
Do you want to receive all group messages by email?
Yes No

You can also join by posting. Your first on-topic post automatically makes you a member.

Posting Code

Enter the email address associated with your NavList messages. Your posting code will be emailed to you immediately.
Email:

Email Settings

Posting Code:

Custom Index

Subject:
Author:
Start date: (yyyymm dd)
End date: (yyyymm dd)

Visit this site
Visit this site
Visit this site
Visit this site
Visit this site
Visit this site