NavList threads from 2025

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29 Dec 2024 – 01 Jan 2025 : C. Plath Sextant - St. Augustine Lighthouse Museum

  1. 2024-12-29 23:07 Martin Caminos
  2. 2024-12-30 02:43 Frank Reed
  3. 2024-12-30 20:17 Gary LaPook
  4. 2024-12-30 20:47 Frank A
  5. 2024-12-30 23:52 Denis Vannier
  6. 2025-01-01 00:50 Martin Caminos
  7. 2025-01-01 11:45 David Pike

01 Jan 2025 – 02 Jan 2025 : Y2infinity bug

  1. 2025-01-01 18:58 Frank Reed
  2. 2025-01-02 00:18 Gary LaPook

03 Jan 2025 – 03 Jan 2025 : Another 2025 bug

  1. 2025-01-03 07:46 Paul Hirose

30 Dec 2024 – 04 Jan 2025 : 1966 C. Plath, Hamburg sextant

  1. 2024-12-30 20:52 Frank A
  2. 2025-01-02 19:45 Frank A
  3. 2025-01-02 20:10 Frank Reed
  4. 2025-01-04 11:05 Carsten John
  5. 2025-01-04 12:41 Michael Bradley

04 Jan 2025 – 05 Jan 2025 : Time ball book recently published

  1. 2025-01-04 22:44 Paul Hirose
  2. 2025-01-05 17:57 David Pike
  3. 2025-01-05 19:47 David Pike

05 Jan 2025 – 06 Jan 2025 : Bubble sextants by Robert Swartz

  1. 2025-01-05 20:22 Frank A
  2. 2025-01-05 23:41 Jeffrey Rock
  3. 2025-01-06 00:30 Frank A
  4. 2025-01-06 05:42 Jeffrey Rock

06 Jan 2025 – 08 Jan 2025 : 1997 Cassens & Plath Horizon Ultra

  1. 2025-01-06 00:17 Frank A
  2. 2025-01-06 12:23 Uwe Buettner
  3. 2025-01-06 13:45 Luc Van den Borre
  4. 2025-01-06 15:37 Frank A
  5. 2025-01-08 20:31 Art Leung

20 Dec 2024 – 09 Jan 2025 : Casio F-91W Upgrade

  1. 2024-12-20 01:59 Sean C
  2. 2024-12-20 19:24 Peter Monta
  3. 2024-12-21 18:20 Paul Saffo
  4. 2024-12-21 19:16 Bill Lionheart
  5. 2024-12-25 22:06 Craig Dickson
  6. 2024-12-25 22:48 Frank Reed
  7. 2024-12-25 22:55 Bill Lionheart
  8. 2024-12-26 03:22 Sean C
  9. 2024-12-26 09:40 Bill Lionheart
  10. 2024-12-27 16:10 Dave Walden
  11. 2024-12-28 00:03 Bill Lionheart
  12. 2024-12-28 02:39 Sean C
  13. 2024-12-30 17:29 Murray Peake
  14. 2024-12-31 08:31 Bill Lionheart
  15. 2025-01-01 14:36 Murray Peake
  16. 2025-01-01 21:04 Bill Lionheart
  17. 2025-01-09 15:55 Murray Peake
  18. 2025-01-09 17:20 Bill Lionheart

08 Jan 2025 – 10 Jan 2025 : Mirror artificial horizon from Freiberger

  1. 2025-01-08 20:36 Art Leung
  2. 2025-01-10 03:46 Greg Herdt

10 Jan 2025 – 10 Jan 2025 : [ADMIN] Outage at 3pm US Eastern time today

  1. 2025-01-10 16:07 Frank Reed
  2. 2025-01-10 21:13 Frank Reed

09 Jan 2025 – 11 Jan 2025 : It's Novelty Fix Time

  1. 2025-01-09 16:00 David Pike
  2. 2025-01-09 20:35 David Pike
  3. 2025-01-09 20:43 Huub Robroek
  4. 2025-01-09 21:40 Frank Reed
  5. 2025-01-09 22:24 David Pike
  6. 2025-01-09 22:35 David Pike
  7. 2025-01-10 01:20 Todd Spath
  8. 2025-01-10 04:36 Peter Hakel
  9. 2025-01-10 19:58 David Pike
  10. 2025-01-11 03:11 Frank Reed
  11. 2025-01-11 04:46 Peter Hakel

07 Jan 2025 – 11 Jan 2025 : National Geographic: Finding Shackleton's Endurance

  1. 2025-01-07 20:00 Fred Hebard
  2. 2025-01-11 18:10 Frank Reed

07 Jan 2025 – 11 Jan 2025 : Star globe

  1. 2025-01-07 16:51 Bill Lionheart
  2. 2025-01-07 18:20 Alexandre Eremenko
  3. 2025-01-07 21:05 Ken Muldrew
  4. 2025-01-07 21:36 Bill Lionheart
  5. 2025-01-08 03:52 Alexandre Eremenko
  6. 2025-01-08 20:28 Art Leung
  7. 2025-01-08 20:55 Bill Lionheart
  8. 2025-01-08 21:28 Frank Reed
  9. 2025-01-09 03:35 Frank Reed
  10. 2025-01-09 10:26 Bill Lionheart
  11. 2025-01-09 13:20 Robert H. van Gent
  12. 2025-01-09 14:35 Bill Lionheart
  13. 2025-01-09 15:09 Philippe Posth
  14. 2025-01-09 19:11 Frank Reed
  15. 2025-01-11 17:13 Frank Reed
  16. 2025-01-11 22:27 Noell Wilson
  17. 2025-01-11 22:51 Noell Wilson

13 Jan 2025 – 13 Jan 2025 : More navigation stars in tv fiction

  1. 2025-01-13 17:24 Frank Reed

13 Jan 2025 – 13 Jan 2025 : Morse Code in FR's GPS Anti Spoof app?

  1. 2025-01-13 15:43 David Pike
  2. 2025-01-13 17:10 Frank Reed
  3. 2025-01-13 19:18 David Pike

11 Jan 2025 – 14 Jan 2025 : Occultation of Mars Monday night

  1. 2025-01-11 20:51 Paul Hirose
  2. 2025-01-13 22:49 Paul Hirose
  3. 2025-01-14 01:52 Dave Walden
  4. 2025-01-14 03:24 Frank Reed

11 Jan 2025 – 14 Jan 2025 : Mykonos nautical chart

  1. 2025-01-11 17:10 NavList Visitor
  2. 2025-01-11 17:43 Frank Reed
  3. 2025-01-11 20:03 Michalis Vaidanis
  4. 2025-01-11 23:02 Noell Wilson
  5. 2025-01-12 22:56 NavList Visitor
  6. 2025-01-14 07:15 Andrés Ruiz

13 Jan 2025 – 15 Jan 2025 : Air Almanac 2025

  1. 2025-01-13 05:04 Frank Reed
  2. 2025-01-13 08:37 Jeffrey Rock
  3. 2025-01-13 09:23 David Pike
  4. 2025-01-15 08:27 Michael Bradley

16 Dec 2024 – 16 Jan 2025 : Reliable navigation coordinates of stars

  1. 2024-12-16 18:00 Frank Reed
  2. 2025-01-16 09:11 Antoine Couëtte

16 Jan 2025 – 16 Jan 2025 : 2025 Astronomical Almanac

  1. 2025-01-16 19:55 Dave Walden

16 Jan 2025 – 17 Jan 2025 : A Position Line from Sunset over a flat field

  1. 2025-01-16 21:25 David Pike
  2. 2025-01-17 17:28 Frank Reed

22 Jan 2025 – 22 Jan 2025 : Modern Celestial workshops: Mystic and Online

  1. 2025-01-22 19:40 Frank Reed

22 Jan 2025 – 23 Jan 2025 : Sextant mirror foil mirror replacement

  1. 2025-01-22 00:57 Craig D
  2. 2025-01-22 17:11 Peter Monta
  3. 2025-01-23 00:08 Craig D

22 Jan 2025 – 23 Jan 2025 : Apparent altitude correction when using artificial horizon

  1. 2025-01-22 13:35 Peter X
  2. 2025-01-22 19:12 Frank Reed
  3. 2025-01-23 10:07 Peter Mackenzie

23 Jan 2025 – 23 Jan 2025 : Zone time or Longitude to time

  1. 2025-01-23 11:29 Peter Mackenzie
  2. 2025-01-23 14:12 Frank Reed

20 Jan 2025 – 23 Jan 2025 : Sextant problem

  1. 2025-01-20 21:33 Peter X
  2. 2025-01-20 21:53 Frank Reed
  3. 2025-01-21 01:36 Alexandre Eremenko
  4. 2025-01-21 03:17 Frank Reed
  5. 2025-01-21 10:48 Peter X
  6. 2025-01-21 13:31 Alexandre Eremenko
  7. 2025-01-21 14:30 Frank Reed
  8. 2025-01-21 14:43 Peter X
  9. 2025-01-21 14:47 Frank Reed
  10. 2025-01-21 15:49 Peter X
  11. 2025-01-21 17:01 Frank Reed
  12. 2025-01-21 18:51 Peter X
  13. 2025-01-22 08:51 Lawrie Elms
  14. 2025-01-22 12:33 Peter X
  15. 2025-01-22 23:01 Lawrie Elms
  16. 2025-01-23 10:16 Peter Mackenzie
  17. 2025-01-23 15:08 Lawrie Elms

31 Dec 2024 – 24 Jan 2025 : Pocket box sextant recommendation?

  1. 2024-12-31 04:33 Craig D
  2. 2024-12-31 06:43 Alexandre Eremenko
  3. 2024-12-31 18:09 Frank Reed
  4. 2025-01-01 03:42 Sean C
  5. 2025-01-01 11:22 Craig D
  6. 2025-01-01 17:48 Alexandre Eremenko
  7. 2025-01-01 18:23 Alexandre Eremenko
  8. 2025-01-07 11:40 Robert VanderPol II
  9. 2025-01-07 15:22 Frank Reed
  10. 2025-01-11 20:53 Noell Wilson
  11. 2025-01-15 10:15 Craig D
  12. 2025-01-15 16:15 Alexandre Eremenko
  13. 2025-01-16 01:24 Craig D
  14. 2025-01-16 02:06 Frank Reed
  15. 2025-01-16 03:20 NavList Visitor
  16. 2025-01-16 17:36 Huub Robroek
  17. 2025-01-18 16:22 Noell Wilson
  18. 2025-01-19 03:36 Alexandre Eremenko
  19. 2025-01-24 11:40 Noell Wilson

24 Jan 2025 – 30 Jan 2025 : Bubble sextant at sea

  1. 2025-01-24 13:26 Noell Wilson
  2. 2025-01-24 20:38 David Pike
  3. 2025-01-25 06:46 Gary LaPook
  4. 2025-01-26 09:35 Bill Morris
  5. 2025-01-26 19:59 David Pike
  6. 2025-01-28 01:06 Gary LaPook
  7. 2025-01-30 02:31 Paul Jackson

22 Jan 2025 – 31 Jan 2025 : Side error and Lunars

  1. 2025-01-22 16:27 Charles McElhill
  2. 2025-01-22 19:32 Frank Reed
  3. 2025-01-26 17:00 Modris Fersters
  4. 2025-01-29 15:43 Frank Reed
  5. 2025-01-30 19:20 Modris Fersters
  6. 2025-01-31 00:36 Paul Hirose
  7. 2025-01-31 11:17 Modris Fersters

24 Jan 2025 – 31 Jan 2025 : Re: SNO-M sextant manual

  1. 2025-01-24 08:54 David Rogers
  2. 2025-01-24 19:29 Modris Fersters
  3. 2025-01-31 12:08 David Rogers
  4. 2025-01-31 15:31 Alexandre Eremenko

21 Jan 2025 – 02 Feb 2025 : Bris quick dirty construction

  1. 2025-01-21 02:32 Craig D
  2. 2025-01-21 15:41 Greg Rudzinski
  3. 2025-02-02 04:02 Robert VanderPol II
  4. 2025-02-02 12:21 Craig D

01 Feb 2025 – 05 Feb 2025 : Ludolph sextant date of manufacture?

  1. 2025-02-01 18:10 Dubravko X
  2. 2025-02-05 00:26 Noell Wilson

04 Feb 2025 – 06 Feb 2025 : Polar expedition celestial 1910

  1. 2025-02-04 18:48 Paul Hirose
  2. 2025-02-05 05:28 Martin Caminos
  3. 2025-02-06 22:04 Chuck Varney

06 Feb 2025 – 07 Feb 2025 : Re: Nautical Almanac 2025

  1. 2025-02-06 15:39 Antoine Couëtte
  2. 2025-02-07 13:54 Gary LaPook
  3. 2025-02-07 20:38 Rafael C. Caruso

17 Jan 2025 – 07 Feb 2025 : Air navigation records: primary sources

  1. 2025-01-17 17:03 Julian Reinke
  2. 2025-01-18 00:21 Gary LaPook
  3. 2025-01-18 02:05 Joe Plazak
  4. 2025-01-18 03:48 Jeffrey Rock
  5. 2025-01-18 07:25 Gary LaPook
  6. 2025-01-18 08:20 Gary LaPook
  7. 2025-01-18 19:00 Gary LaPook
  8. 2025-01-19 04:37 Howard G
  9. 2025-01-19 05:32 Jeffrey Rock
  10. 2025-01-19 22:26 David Pike
  11. 2025-01-20 20:29 Paul Hirose
  12. 2025-01-22 09:40 Gary LaPook
  13. 2025-01-22 09:54 Gary LaPook
  14. 2025-01-22 09:58 Gary LaPook
  15. 2025-01-22 10:00 Gary LaPook
  16. 2025-01-22 10:11 Gary LaPook
  17. 2025-01-23 10:00 Gary LaPook
  18. 2025-01-23 10:31 Gary LaPook
  19. 2025-01-24 07:01 Gary LaPook
  20. 2025-01-24 18:22 Jeffrey Rock
  21. 2025-02-01 18:11 Julian Reinke
  22. 2025-02-04 10:14 Andrés Ruiz
  23. 2025-02-04 16:12 Frank Reed
  24. 2025-02-04 22:21 David Pike
  25. 2025-02-07 21:34 Wolfgang Köberer

31 Jan 2025 – 08 Feb 2025 : Venus near the Moon, Feb. 1 in daylight

  1. 2025-01-31 21:36 Frank Reed
  2. 2025-02-01 03:02 David C
  3. 2025-02-01 03:29 David C
  4. 2025-02-01 21:39 Bill Ritchie
  5. 2025-02-02 08:17 David C
  6. 2025-02-03 00:15 Sean C
  7. 2025-02-03 17:38 Frank Reed
  8. 2025-02-03 18:01 Antoine Couëtte
  9. 2025-02-03 18:44 Frank Reed
  10. 2025-02-08 01:46 Todd Spath

10 Feb 2025 – 10 Feb 2025 : Smart Devices for a Handheld Celestial Navigation System

  1. 2025-02-10 13:01 Andrés Ruiz

10 Feb 2025 – 10 Feb 2025 : Re: Mirror artificial horizon from Freiberger

  1. 2025-02-10 14:01 Charles Rodgers

09 Feb 2025 – 12 Feb 2025 : NOAA under threat?

  1. 2025-02-09 20:24 Bob Peterson
  2. 2025-02-09 23:28 Lu Abel
  3. 2025-02-12 17:51 Frank Reed

13 Feb 2025 – 13 Feb 2025 : Re: Star globe

  1. 2025-02-13 10:13 Bela Kovacs

15 Feb 2025 – 15 Feb 2025 : Re: Venus in daylight

  1. 2025-02-15 17:04 Frank Reed

16 Feb 2025 – 16 Feb 2025 : Sextant land based

  1. 2025-02-16 10:08 Henry Tardivat
  2. 2025-02-16 15:21 Bill Lionheart
  3. 2025-02-16 18:09 David Pike

07 Feb 2025 – 16 Feb 2025 : Basic navigation capabilities in the general population

  1. 2025-02-07 14:13 Howard G
  2. 2025-02-09 14:13 Martin Caminos
  3. 2025-02-09 19:53 David Pike
  4. 2025-02-12 17:59 Frank Reed
  5. 2025-02-12 22:16 David Pike
  6. 2025-02-13 06:20 Howard G
  7. 2025-02-15 15:38 Frank Reed
  8. 2025-02-15 17:54 David Pike
  9. 2025-02-15 18:06 Frank Reed
  10. 2025-02-16 23:17 Todd Spath
  11. 2025-02-16 23:48 Todd Spath

17 Feb 2025 – 17 Feb 2025 : Sextant Land Based

  1. 2025-02-17 03:24 Henry Tardivat

13 Feb 2025 – 17 Feb 2025 : Celestial Navigation Challenge Games

  1. 2025-02-13 18:00 Ed Hlywa
  2. 2025-02-14 18:29 Paul Saffo
  3. 2025-02-15 20:55 Ed Hlywa
  4. 2025-02-17 00:52 Todd Spath
  5. 2025-02-17 23:10 Murray Buckman

17 Feb 2025 – 18 Feb 2025 : Need a CURRENT copy of the 4pg long-term almanac from Bowditch?

  1. 2025-02-17 21:41 Robert VanderPol II
  2. 2025-02-18 13:31 Andrés Ruiz

18 Feb 2025 – 18 Feb 2025 : Celestial Navigation in the Age of Sail

  1. 2025-02-18 15:34 Frank Reed

06 Feb 2025 – 18 Feb 2025 : Video: 19th century Sun compass

  1. 2025-02-06 16:34 Gary LaPook
  2. 2025-02-06 22:10 David Pike
  3. 2025-02-06 22:35 Dave Walden
  4. 2025-02-07 22:04 Murray Buckman
  5. 2025-02-10 06:57 Gary LaPook
  6. 2025-02-10 20:23 Murray Buckman
  7. 2025-02-12 17:57 Frank Reed
  8. 2025-02-12 21:58 David Pike
  9. 2025-02-12 23:11 David Pike
  10. 2025-02-13 07:42 Gary LaPook
  11. 2025-02-13 07:44 Gary LaPook
  12. 2025-02-13 18:27 David Pike
  13. 2025-02-13 20:22 David Pike
  14. 2025-02-16 22:32 Todd Spath
  15. 2025-02-18 12:42 Paul Hirose
  16. 2025-02-18 19:21 David Pike

07 Feb 2025 – 18 Feb 2025 : Latitude by Milky Way

  1. 2025-02-07 15:31 Frank Reed
  2. 2025-02-07 21:03 Murray Buckman
  3. 2025-02-07 22:03 Murray Buckman
  4. 2025-02-12 18:00 Frank Reed
  5. 2025-02-12 21:55 Luc Van den Borre
  6. 2025-02-15 15:44 Frank Reed
  7. 2025-02-16 18:18 Luc Van den Borre
  8. 2025-02-16 21:45 David Pike
  9. 2025-02-16 22:57 David Pike
  10. 2025-02-17 19:08 Rafael C. Caruso
  11. 2025-02-18 19:38 David Pike
  12. 2025-02-18 21:08 David Pike
  13. 2025-02-18 21:11 Frank Reed

19 Feb 2025 – 19 Feb 2025 : Movie Romance Height of Eye Correction...

  1. 2025-02-19 22:42 Michael Bradley
  2. 2025-02-19 23:06 Frank Reed

19 Feb 2025 – 20 Feb 2025 : Lunars for position fix at known GMT

  1. 2025-02-19 08:06 Huub Robroek
  2. 2025-02-19 13:44 Frank Reed
  3. 2025-02-20 01:26 Dustin Baenen

23 Feb 2025 – 23 Feb 2025 : Ritchie Compass of Pembroke, Mass.

  1. 2025-02-23 01:25 Paul Saffo

20 Feb 2025 – 26 Feb 2025 : B-II Celestial Computer & Three-Minute Adjustments

  1. 2025-02-20 15:58 Joe Plazak
  2. 2025-02-21 12:36 Dave Walden
  3. 2025-02-21 20:25 Gary LaPook
  4. 2025-02-21 23:19 Gary LaPook
  5. 2025-02-21 23:21 Gary LaPook
  6. 2025-02-22 08:42 Gary LaPook
  7. 2025-02-22 08:45 Gary LaPook
  8. 2025-02-22 09:00 Gary LaPook
  9. 2025-02-22 09:02 Gary LaPook
  10. 2025-02-22 13:53 Murray Peake
  11. 2025-02-22 15:59 David Pike
  12. 2025-02-23 02:46 Joe Plazak
  13. 2025-02-23 10:52 Gary LaPook
  14. 2025-02-23 11:53 Murray Peake
  15. 2025-02-23 16:02 David Pike
  16. 2025-02-23 17:04 David Pike
  17. 2025-02-23 22:14 Gary LaPook
  18. 2025-02-25 16:01 David Pike
  19. 2025-02-26 03:23 Joe Plazak
  20. 2025-02-26 10:21 David Pike

27 Feb 2025 – 27 Feb 2025 : "Celestial Navigation in the Age of Sail" online this weekend [IS ON!]

  1. 2025-02-27 14:16 Frank Reed

25 Feb 2025 – 27 Feb 2025 : Sign of v correction to GHA

  1. 2025-02-25 22:09 Patrick Keenan
  2. 2025-02-26 11:05 Ian Staniforth
  3. 2025-02-26 21:13 Patrick Keenan
  4. 2025-02-27 09:24 Ian Staniforth
  5. 2025-02-27 14:10 Frank Reed
  6. 2025-02-27 16:51 Ian Staniforth
  7. 2025-02-27 17:43 Frank Reed

25 Feb 2025 – 27 Feb 2025 : Navigation star marathon

  1. 2025-02-25 12:55 Dave Walden
  2. 2025-02-25 18:41 Paul Saffo
  3. 2025-02-26 00:05 Dave Walden
  4. 2025-02-26 07:29 Todd Spath
  5. 2025-02-26 12:44 Dave Walden
  6. 2025-02-26 14:07 Frank Reed
  7. 2025-02-27 14:33 Dave Walden
  8. 2025-02-27 20:14 Murray Buckman

27 Feb 2025 – 28 Feb 2025 : Polar Sticks in "The Barefoot Navigator"

  1. 2025-02-27 11:18 Peter Mackenzie
  2. 2025-02-27 17:30 Ian Staniforth
  3. 2025-02-27 18:05 David Pike
  4. 2025-02-27 18:11 Ian Staniforth
  5. 2025-02-27 19:47 Frank Reed
  6. 2025-02-27 21:10 Ian Staniforth
  7. 2025-02-27 22:14 David Pike
  8. 2025-02-27 23:23 Frank Reed
  9. 2025-02-28 01:42 NavList Visitor
  10. 2025-02-28 22:51 Gary LaPook

05 Mar 2025 – 05 Mar 2025 : [ADMIN] NavList message boards DOWN

  1. 2025-03-05 15:59 Frank Reed

06 Mar 2025 – 06 Mar 2025 : [ADMIN] NavList message boards are BACK!

  1. 2025-03-06 17:58 Frank Reed

27 Feb 2025 – 07 Mar 2025 : Motion Correction for Longitude: sights around Noon

  1. 2025-02-27 21:49 Robert VanderPol II
  2. 2025-03-01 13:12 Frank Reed
  3. 2025-03-01 20:41 Robert VanderPol II
  4. 2025-03-02 15:08 Bela Kovacs
  5. 2025-03-03 15:27 Antoine Couëtte
  6. 2025-03-07 00:08 Antoine Couëtte

13 Feb 2025 – 07 Mar 2025 : OpenCPN Celestial Navigation Plugin

  1. 2025-02-13 05:14 R Gleason
  2. 2025-02-13 05:56 Sean C
  3. 2025-02-14 08:52 Andrés Ruiz
  4. 2025-02-19 18:19 Antoine Couëtte
  5. 2025-02-20 15:03 Andrés Ruiz
  6. 2025-02-21 01:24 Antoine Couëtte
  7. 2025-02-22 01:05 R Gleason
  8. 2025-02-23 05:36 Paul Hirose
  9. 2025-02-25 09:00 Antoine Couëtte
  10. 2025-03-05 14:53 Andrés Ruiz
  11. 2025-03-07 02:30 Antoine Couëtte
  12. 2025-03-07 12:43 Paul Hirose
  13. 2025-03-07 13:28 Frank Reed
  14. 2025-03-07 22:47 Paul Hirose
  15. 2025-03-07 23:08 R Gleason
  16. 2025-03-07 23:30 R Gleason
  17. 2025-03-07 23:44 R Gleason

09 Mar 2025 – 09 Mar 2025 : Northing & Easting blog

  1. 2025-03-09 11:39 Noell Wilson

10 Mar 2025 – 10 Mar 2025 : The Moon's Sleep Cycle

  1. 2025-03-10 09:56 David Pike

07 Mar 2025 – 11 Mar 2025 : Freiberger Telescope question

  1. 2025-03-07 21:40 Henry Tardivat
  2. 2025-03-08 18:58 Noell Wilson
  3. 2025-03-09 00:18 Rafael C. Caruso
  4. 2025-03-09 02:51 Henry Tardivat
  5. 2025-03-10 01:18 Bill Morris
  6. 2025-03-11 00:41 Henry Tardivat

12 Mar 2025 – 12 Mar 2025 : Mason-Dixon Line - pop culture

  1. 2025-03-12 08:28 Todd Spath
  2. 2025-03-12 20:08 Bob Peterson

13 Mar 2025 – 13 Mar 2025 : Artificial Horizon for Navistar Classic

  1. 2025-03-13 13:27 Voitek K

12 Mar 2025 – 14 Mar 2025 : Computer, radar aid, type r-1

  1. 2025-03-12 13:10 Dave Walden
  2. 2025-03-12 20:17 David Pike
  3. 2025-03-12 21:16 David Pike
  4. 2025-03-12 22:48 Dave Walden
  5. 2025-03-13 01:17 Joe Plazak
  6. 2025-03-13 06:34 Gary LaPook
  7. 2025-03-13 13:29 Dave Walden
  8. 2025-03-13 14:39 David Pike
  9. 2025-03-13 15:01 Dave Walden
  10. 2025-03-13 17:35 David Pike
  11. 2025-03-14 01:50 Dave Walden
  12. 2025-03-14 10:41 David Pike

15 Mar 2025 – 15 Mar 2025 : First a Humber grounding, then a collision

  1. 2025-03-15 19:32 David Pike
  2. 2025-03-15 21:41 David Pike

10 Mar 2025 – 16 Mar 2025 : Venus is a Viking longship today

  1. 2025-03-10 21:34 Frank Reed
  2. 2025-03-11 20:19 David Pike
  3. 2025-03-16 05:23 Frank Reed

07 Mar 2025 – 16 Mar 2025 : Navigating on the Moon

  1. 2025-03-07 23:07 Frank Reed
  2. 2025-03-08 10:51 Matus Tejiscak
  3. 2025-03-08 12:36 Matus Tejiscak
  4. 2025-03-08 15:05 Frank Reed
  5. 2025-03-08 21:33 Matus Tejiscak
  6. 2025-03-09 12:41 Matus Tejiscak
  7. 2025-03-16 04:52 Frank Reed
  8. 2025-03-16 14:38 Matus Tejiscak

16 Mar 2025 – 16 Mar 2025 : Faraday

  1. 2025-03-16 22:42 Gary LaPook

17 Mar 2025 – 17 Mar 2025 : Last French Sextant Manufacturer starts production

  1. 2025-03-17 06:18 Henry Tardivat

16 Mar 2025 – 18 Mar 2025 : Total solar eclipse from the Moon

  1. 2025-03-16 19:49 Rafael C. Caruso
  2. 2025-03-18 13:26 Frank Reed

18 Mar 2025 – 18 Mar 2025 : It's always Lunars...

  1. 2025-03-18 14:25 Frank Reed

18 Mar 2025 – 21 Mar 2025 : Photo challenge: what is your latitude?

  1. 2025-03-18 12:43 Frank Reed
  2. 2025-03-19 00:35 David Pike
  3. 2025-03-19 00:48 Frank Reed
  4. 2025-03-19 12:34 David Pike
  5. 2025-03-19 13:00 Bill Lionheart
  6. 2025-03-19 13:29 Frank Reed
  7. 2025-03-19 14:05 Robert H. van Gent
  8. 2025-03-19 14:59 Luc Van den Borre
  9. 2025-03-19 15:02 Frank Reed
  10. 2025-03-19 16:19 Frank Reed
  11. 2025-03-19 16:55 Bill Lionheart
  12. 2025-03-19 16:58 Bill Lionheart
  13. 2025-03-19 17:29 Frank Reed
  14. 2025-03-19 20:05 Bill Lionheart
  15. 2025-03-19 21:19 David Pike
  16. 2025-03-20 15:32 Luc Van den Borre
  17. 2025-03-21 15:24 Antoine Couëtte
  18. 2025-03-21 19:32 David Pike

24 Mar 2025 – 24 Mar 2025 : Sextant cleaning

  1. 2025-03-24 09:16 Craig D

17 Mar 2025 – 25 Mar 2025 : Binnacle

  1. 2025-03-17 18:04 Colin B
  2. 2025-03-17 18:53 David Pike
  3. 2025-03-17 22:40 Robert VanderPol II
  4. 2025-03-18 17:40 Bob Peterson
  5. 2025-03-18 22:44 Bill Ritchie
  6. 2025-03-19 00:20 Colin B
  7. 2025-03-19 17:40 Bob Peterson
  8. 2025-03-25 00:32 Colin B

22 Mar 2025 – 26 Mar 2025 : Extreme Declinations of the Moon 1920 - 2050

  1. 2025-03-22 10:52 Antoine Couëtte
  2. 2025-03-26 22:29 Bill Ritchie

26 Mar 2025 – 27 Mar 2025 : Ocean Navigator Magazine

  1. 2025-03-26 06:29 Gary LaPook
  2. 2025-03-26 16:47 Jeffrey Rock
  3. 2025-03-27 00:36 Ed Hlywa
  4. 2025-03-27 21:48 Frank Reed

28 Mar 2025 – 28 Mar 2025 : Find Exact East/West with Mintaka

  1. 2025-03-28 14:47 Frank Reed

28 Mar 2025 – 28 Mar 2025 : Stena Immaculate/Solong Collision

  1. 2025-03-28 20:02 David Pike

28 Mar 2025 – 29 Mar 2025 : Formula for calculating a position fix

  1. 2025-03-28 08:22 Huub Robroek
  2. 2025-03-28 13:06 Andrés Ruiz
  3. 2025-03-28 13:56 Frank Reed
  4. 2025-03-28 14:50 Andrés Ruiz
  5. 2025-03-28 17:06 Huub Robroek
  6. 2025-03-28 17:19 Huub Robroek
  7. 2025-03-28 17:43 Bela Kovacs
  8. 2025-03-28 20:52 Ian Staniforth
  9. 2025-03-29 15:27 Huub Robroek

17 Mar 2025 – 31 Mar 2025 : Tamaya Venus 7/8 MS-933

  1. 2025-03-17 02:56 Henry Tardivat
  2. 2025-03-26 01:32 Al Stewart
  3. 2025-03-26 06:00 Henry Tardivat
  4. 2025-03-27 21:15 Frank Reed
  5. 2025-03-31 00:39 Noell Wilson

31 Mar 2025 – 31 Mar 2025 : Franklyn E Dailey Jr., Captain USNR (Ret), aged 104

  1. 2025-03-31 11:45 Noell Wilson

12 Mar 2025 – 01 Apr 2025 : Link A-12 sextant

  1. 2025-03-12 23:43 Dan M
  2. 2025-03-13 00:24 Joe Plazak
  3. 2025-04-01 23:16 Joe Plazak

02 Apr 2025 – 02 Apr 2025 : Tide prediction machines

  1. 2025-04-02 21:20 Paul Hirose

29 Mar 2025 – 02 Apr 2025 : Solar eclipse

  1. 2025-03-29 19:46 Ed Hlywa
  2. 2025-03-29 21:02 Frank Reed
  3. 2025-03-30 00:37 Richard Toohey
  4. 2025-03-30 11:50 Bill Lionheart
  5. 2025-03-31 20:46 Lars Bergman
  6. 2025-04-01 01:52 Richard Toohey
  7. 2025-04-01 02:55 Antoine Couëtte
  8. 2025-04-02 18:54 Lars Bergman
  9. 2025-04-02 21:50 Richard Toohey

20 Mar 2025 – 04 Apr 2025 : Dec on equinox day

  1. 2025-03-20 13:23 Frank Reed
  2. 2025-03-21 15:52 Paul Hirose
  3. 2025-03-21 17:21 Robert H. van Gent
  4. 2025-03-23 13:31 Bela Kovacs
  5. 2025-03-23 17:23 Martin Caminos
  6. 2025-03-28 20:24 Frank Reed
  7. 2025-03-29 01:54 Frank Reed
  8. 2025-03-29 01:59 Sean C
  9. 2025-03-29 11:45 Robert H. van Gent
  10. 2025-04-04 13:11 Bela Kovacs

05 Apr 2025 – 05 Apr 2025 : A8A aircraft sextant for sale

  1. 2025-04-05 01:02 Dan M

04 Apr 2025 – 05 Apr 2025 : Rebuilding A8A aircraft bubble sextant

  1. 2025-04-04 22:42 Dan M
  2. 2025-04-05 12:30 Dan M

05 Apr 2025 – 05 Apr 2025 : Re: Zeroing the Bausch and Lomb A8-A Aircraft Bubble Sextant

  1. 2025-04-05 13:59 Dan M

02 Apr 2025 – 06 Apr 2025 : Assembling Sextant Optics

  1. 2025-04-02 02:31 David C
  2. 2025-04-02 14:35 Alexandre Eremenko
  3. 2025-04-02 14:42 Alexandre Eremenko
  4. 2025-04-05 23:27 David C
  5. 2025-04-06 17:05 Al Stewart

03 Apr 2025 – 06 Apr 2025 : Lunar Distance Tables

  1. 2025-04-03 02:43 Joe Plazak
  2. 2025-04-03 13:35 Frank Reed
  3. 2025-04-03 18:52 Joe Plazak
  4. 2025-04-04 02:41 Sean C
  5. 2025-04-04 02:54 Frank Reed
  6. 2025-04-04 04:03 Paul Hirose
  7. 2025-04-04 05:22 Paul Hirose
  8. 2025-04-04 12:22 Bela Kovacs
  9. 2025-04-04 22:08 Bill Ritchie
  10. 2025-04-05 13:38 Frank Reed
  11. 2025-04-05 19:38 Paul Hirose
  12. 2025-04-06 21:51 Bill Ritchie
  13. 2025-04-06 23:52 Antoine Couëtte

06 Apr 2025 – 08 Apr 2025 : Sextant Stand

  1. 2025-04-06 17:55 Robin Stuart
  2. 2025-04-07 13:08 Frank Reed
  3. 2025-04-07 13:44 David Pike
  4. 2025-04-08 13:42 Robin Stuart

01 Apr 2025 – 10 Apr 2025 : Modern Antikythera mechanism for solar eclipses

  1. 2025-04-01 05:50 Bill Lionheart
  2. 2025-04-01 13:11 Alexandre Eremenko
  3. 2025-04-01 17:20 Frank Reed
  4. 2025-04-02 00:26 Gary LaPook
  5. 2025-04-02 01:30 Ken Muldrew
  6. 2025-04-02 02:00 Frank Reed
  7. 2025-04-02 07:33 Bill Lionheart
  8. 2025-04-02 11:59 Luc Van den Borre
  9. 2025-04-02 14:48 Frank Reed
  10. 2025-04-02 21:30 Bill Lionheart
  11. 2025-04-10 15:26 Frank Reed

10 Apr 2025 – 10 Apr 2025 : UT by astronomy

  1. 2025-04-10 14:55 Frank Reed
  2. 2025-04-10 17:09 Peter Monta

09 Apr 2025 – 11 Apr 2025 : Planet location diagram

  1. 2025-04-09 13:20 John Bridger
  2. 2025-04-09 18:33 John Bridger
  3. 2025-04-10 14:24 Frank Reed
  4. 2025-04-11 11:30 John Bridger

11 Apr 2025 – 11 Apr 2025 : Last Day... (RNav workshop special)

  1. 2025-04-11 12:42 Frank Reed

12 Apr 2025 – 12 Apr 2025 : Re: Coast Navigation School

  1. 2025-04-12 02:16 Debbie B
  2. 2025-04-12 03:20 Frank Reed

13 Apr 2025 – 13 Apr 2025 : Looking for a Link A-12

  1. 2025-04-13 12:03 Dan M

11 Apr 2025 – 14 Apr 2025 : Navigation stars and a pyramid

  1. 2025-04-11 01:29 Frank Reed
  2. 2025-04-11 09:56 David Pike
  3. 2025-04-11 10:19 David Pike
  4. 2025-04-11 13:12 Robert H. van Gent
  5. 2025-04-11 16:37 Antoine Couëtte
  6. 2025-04-12 09:47 David Pike
  7. 2025-04-12 11:32 Frank Reed
  8. 2025-04-14 20:04 David Pike

14 Apr 2025 – 15 Apr 2025 : Re: Polaris Latitude Wheeler

  1. 2025-04-14 10:03 Bela Kovacs
  2. 2025-04-14 23:59 Paul Saffo
  3. 2025-04-15 09:43 Bela Kovacs

18 Apr 2025 – 18 Apr 2025 : Venus in daylight... again

  1. 2025-04-18 16:03 Frank Reed

18 Apr 2025 – 18 Apr 2025 : Dip measurements by Carnegie Institution

  1. 2025-04-18 19:00 Paul Hirose

17 Apr 2025 – 20 Apr 2025 : Star deserts among the navigation stars

  1. 2025-04-17 03:49 Frank Reed
  2. 2025-04-17 14:59 David Pike
  3. 2025-04-17 15:38 Frank Reed
  4. 2025-04-20 10:02 Matus Tejiscak

20 Apr 2025 – 20 Apr 2025 : Need ideas on why my Link A12 sextant has issues

  1. 2025-04-20 11:49 Dan M

11 Apr 2025 – 20 Apr 2025 : Sight practice this weekend and next week in SoCal?

  1. 2025-04-11 07:26 Daniel Hazen
  2. 2025-04-12 02:11 Sean C
  3. 2025-04-12 03:31 Daniel Hazen
  4. 2025-04-13 15:57 Daniel Hazen
  5. 2025-04-14 13:16 Frank Reed
  6. 2025-04-14 14:02 Daniel Hazen
  7. 2025-04-14 14:44 Daniel Hazen
  8. 2025-04-17 08:17 John Bridger
  9. 2025-04-17 17:06 Daniel Hazen
  10. 2025-04-17 17:26 Norman Baatz
  11. 2025-04-18 05:01 Daniel Hazen
  12. 2025-04-18 07:21 Frank Reed
  13. 2025-04-18 10:18 Norman Baatz
  14. 2025-04-18 13:58 Daniel Hazen
  15. 2025-04-18 16:44 Lawrie Elms
  16. 2025-04-18 17:31 Daniel Hazen
  17. 2025-04-18 19:52 Norman Baatz
  18. 2025-04-19 12:09 Lawrie Elms
  19. 2025-04-19 13:25 Daniel Hazen
  20. 2025-04-20 00:25 Richard Toohey
  21. 2025-04-20 13:48 Daniel Hazen

19 Apr 2025 – 20 Apr 2025 : Music, Movies, Art?

  1. 2025-04-19 15:08 Daniel Hazen
  2. 2025-04-20 13:19 Don Seltzer
  3. 2025-04-20 14:46 Daniel Hazen

21 Apr 2025 – 21 Apr 2025 : Chinese star catalog oldest in world?

  1. 2025-04-21 10:56 Martin Whittle
  2. 2025-04-21 15:42 Frank Reed

21 Apr 2025 – 21 Apr 2025 : Simple code for GHA and Dec Sun

  1. 2025-04-21 23:06 Wendel Brunner

17 Apr 2025 – 23 Apr 2025 : Hughes Sextant Nut Type

  1. 2025-04-17 23:39 Craig D
  2. 2025-04-18 17:01 David Pike
  3. 2025-04-18 22:32 Drago Simac
  4. 2025-04-19 09:22 David Pike
  5. 2025-04-20 12:37 Tom Greaves
  6. 2025-04-21 09:04 Craig D
  7. 2025-04-21 22:46 Drago Simac
  8. 2025-04-23 09:15 Craig D
  9. 2025-04-23 22:43 Drago Simac

24 Apr 2025 – 24 Apr 2025 : AstraLnav free windows software?

  1. 2025-04-24 08:50 Craig D

22 Apr 2025 – 25 Apr 2025 : A fix from 1908

  1. 2025-04-22 13:57 Lars Bergman
  2. 2025-04-24 10:00 Antoine Couëtte
  3. 2025-04-24 18:42 Lars Bergman
  4. 2025-04-25 09:34 Antoine Couëtte
  5. 2025-04-25 13:45 Lars Bergman
  6. 2025-04-25 17:47 Antoine Couëtte

28 Apr 2025 – 28 Apr 2025 : Titanic reported position ...a common Cel Nav problem?

  1. 2025-04-28 16:54 Dale Lichtblau

26 Apr 2025 – 30 Apr 2025 : On ebay. what is it?

  1. 2025-04-26 18:25 Dave Walden
  2. 2025-04-26 21:49 Alexandre Eremenko
  3. 2025-04-27 11:36 Dave Walden
  4. 2025-04-27 16:14 David Pike
  5. 2025-04-28 19:36 Tim Luton
  6. 2025-04-28 22:28 Dave Walden
  7. 2025-04-29 14:10 Tim Luton
  8. 2025-04-29 16:28 Dave Walden
  9. 2025-04-30 13:34 Luc Van den Borre
  10. 2025-04-30 19:20 Dave Walden

01 May 2025 – 01 May 2025 : Why taxi drivers don't die of Alzheimer's...

  1. 2025-05-01 00:50 Paul Saffo
  2. 2025-05-01 01:58 Frank Reed
  3. 2025-05-01 17:19 Paul Saffo

03 May 2025 – 03 May 2025 : Vertical strabismus by celestial observation

  1. 2025-05-03 22:40 Bill Lionheart

01 May 2025 – 04 May 2025 : Charles W Morgan in NZ

  1. 2025-05-01 02:41 David C
  2. 2025-05-01 15:23 Frank Reed
  3. 2025-05-03 01:40 Alan S
  4. 2025-05-04 03:21 Jeremy Hillyard

05 May 2025 – 05 May 2025 : Spot the Palace

  1. 2025-05-05 21:59 David Pike

01 May 2025 – 06 May 2025 : Looking for a good Link A12 bubble sextant

  1. 2025-05-01 23:08 Dan M
  2. 2025-05-02 08:31 David Pike
  3. 2025-05-03 18:52 Dan M
  4. 2025-05-04 18:25 David Pike
  5. 2025-05-05 12:11 Dan M
  6. 2025-05-05 20:33 David Pike
  7. 2025-05-06 11:28 Dan M

25 Apr 2025 – 07 May 2025 : Position from a Moon-Venus photo

  1. 2025-04-25 12:10 Frank Reed
  2. 2025-04-25 20:32 David Pike
  3. 2025-04-25 20:38 David Pike
  4. 2025-04-25 21:56 Frank Reed
  5. 2025-04-26 16:25 David Pike
  6. 2025-04-26 16:31 Frank Reed
  7. 2025-04-26 19:22 David Pike
  8. 2025-04-27 11:04 David Pike
  9. 2025-04-27 18:32 Antoine Couëtte
  10. 2025-04-27 22:38 David Pike
  11. 2025-04-28 14:35 Antoine Couëtte
  12. 2025-04-28 19:05 David Pike
  13. 2025-04-29 02:48 Antoine Couëtte
  14. 2025-04-29 09:05 David Pike
  15. 2025-04-29 12:46 Dave Walden
  16. 2025-04-29 16:06 Antoine Couëtte
  17. 2025-04-29 16:36 Antoine Couëtte
  18. 2025-04-29 16:49 Antoine Couëtte
  19. 2025-05-02 14:58 David Pike
  20. 2025-05-02 17:01 Frank Reed
  21. 2025-05-02 23:03 David Pike
  22. 2025-05-03 11:17 Antoine Couëtte
  23. 2025-05-07 16:35 Antoine Couëtte

19 Apr 2025 – 10 May 2025 : Re: NavList Hams

  1. 2025-04-19 04:58 Daniel Hazen
  2. 2025-04-19 19:11 Paul Saffo
  3. 2025-04-19 23:07 Drago Simac
  4. 2025-04-20 21:34 Martin Caminos
  5. 2025-04-21 01:13 Dan M
  6. 2025-04-21 08:42 Gary LaPook
  7. 2025-04-27 03:14 Jeremy C
  8. 2025-04-27 21:53 Dale Lichtblau
  9. 2025-05-10 14:25 Dustin Baenen

09 May 2025 – 14 May 2025 : Aircraft plotting board for wwii celestial

  1. 2025-05-09 13:19 Dan M
  2. 2025-05-09 17:30 Art Leung
  3. 2025-05-10 00:43 Joe Plazak
  4. 2025-05-10 07:12 Gary LaPook
  5. 2025-05-10 11:57 Dave Walden
  6. 2025-05-10 12:07 David Pike
  7. 2025-05-10 12:11 Dan M
  8. 2025-05-10 12:54 David Pike
  9. 2025-05-10 14:33 Dan M
  10. 2025-05-10 17:46 Art Leung
  11. 2025-05-11 12:39 Dan M
  12. 2025-05-12 14:40 Art Leung
  13. 2025-05-14 08:44 Gary LaPook
  14. 2025-05-14 17:33 Dan M
  15. 2025-05-14 17:35 Dan M

15 May 2025 – 17 May 2025 : Quick refraction rule

  1. 2025-05-15 14:10 Frank Reed
  2. 2025-05-16 20:47 Frank Reed
  3. 2025-05-17 16:37 Ian Staniforth

16 May 2025 – 17 May 2025 : Carpenter squares and tie clips for CN?

  1. 2025-05-16 03:11 Dustin Baenen
  2. 2025-05-16 14:20 Dave Walden
  3. 2025-05-17 23:38 Dustin Baenen

20 May 2025 – 20 May 2025 : Celestial Navigation in Japan

  1. 2025-05-20 11:48 Martin Caminos

18 May 2025 – 21 May 2025 : Cuauhtemoc crash

  1. 2025-05-18 14:35 Frank Reed
  2. 2025-05-18 17:52 Jeremy C
  3. 2025-05-18 17:58 David Pike
  4. 2025-05-18 18:44 Murray Buckman
  5. 2025-05-19 04:59 Gary LaPook
  6. 2025-05-19 17:01 Frank Reed
  7. 2025-05-19 17:25 Frank Reed
  8. 2025-05-19 19:43 J Pitys
  9. 2025-05-19 21:45 Jeremy C
  10. 2025-05-20 14:44 Gary LaPook
  11. 2025-05-21 16:37 Frank Reed
  12. 2025-05-21 18:57 Lawrie Elms

24 May 2025 – 24 May 2025 : I know its a long shot... (bubble for bubble sextant)

  1. 2025-05-24 12:00 Dan M

21 Apr 2025 – 24 May 2025 : GPS Anti Spoof app for sextant tests

  1. 2025-04-21 15:22 Frank Reed
  2. 2025-04-21 19:09 Gary LaPook
  3. 2025-04-27 03:17 Jeremy C
  4. 2025-05-24 14:00 Frank Reed

13 Apr 2025 – 24 May 2025 : Creating calibration table for Davis Mark III

  1. 2025-04-13 20:05 Norman Baatz
  2. 2025-04-19 08:59 John Bridger
  3. 2025-04-21 08:07 Norman Baatz
  4. 2025-04-21 14:33 Frank Reed
  5. 2025-04-21 17:38 Norman Baatz
  6. 2025-04-21 19:47 Dave Walden
  7. 2025-04-22 08:24 Norman Baatz
  8. 2025-04-24 12:31 Norman Baatz
  9. 2025-04-27 11:50 Norman Baatz
  10. 2025-04-27 15:28 Norman Baatz
  11. 2025-04-29 07:14 Lawrie Elms
  12. 2025-05-01 08:51 Norman Baatz
  13. 2025-05-01 14:36 Frank Reed
  14. 2025-05-01 18:17 Lawrie Elms
  15. 2025-05-01 19:21 Norman Baatz
  16. 2025-05-02 16:53 Frank Reed
  17. 2025-05-09 08:01 Norman Baatz
  18. 2025-05-10 14:23 Dustin Baenen
  19. 2025-05-10 16:45 Frank Reed
  20. 2025-05-24 17:37 Frank Reed

24 May 2025 – 24 May 2025 : Navigation stars and constellations in animation

  1. 2025-05-24 18:13 Frank Reed

24 May 2025 – 24 May 2025 : Plane Scale Lines of Longitude scales

  1. 2025-05-24 18:30 Robin Stuart

25 May 2025 – 25 May 2025 : Handle clamp in 3D for C. Plath sextant

  1. 2025-05-25 09:36 José A. Andrés

25 May 2025 – 25 May 2025 : Re: The Plane Scale and Stereographic Projection in Early Navigation

  1. 2025-05-25 13:23 Huub Robroek

26 May 2025 – 26 May 2025 : Tides: HW Full and Change - Rise and Fall

  1. 2025-05-26 06:16 Bob Crawley
  2. 2025-05-26 15:28 Bill Lionheart
  3. 2025-05-26 15:34 Frank Reed
  4. 2025-05-26 17:59 Bob Crawley

15 May 2025 – 27 May 2025 : Pick a Plath...

  1. 2025-05-15 13:19 Frank Reed
  2. 2025-05-15 13:48 Alexandre Eremenko
  3. 2025-05-15 15:13 Richard Toohey
  4. 2025-05-15 15:20 Christopher Willmes
  5. 2025-05-15 16:02 Lawrie Elms
  6. 2025-05-15 16:35 David Pike
  7. 2025-05-15 19:14 Chuck Varney
  8. 2025-05-15 21:14 Tim Luton
  9. 2025-05-15 22:41 Charles McElhill
  10. 2025-05-16 11:30 John Bridger
  11. 2025-05-16 18:27 Murray Buckman
  12. 2025-05-17 13:22 Martin Caminos
  13. 2025-05-21 01:37 Todd Spath
  14. 2025-05-21 09:52 Michael Bradley
  15. 2025-05-25 21:10 José A. Andrés
  16. 2025-05-27 12:36 Frank Reed
  17. 2025-05-27 14:49 José A. Andrés
  18. 2025-05-27 14:58 José A. Andrés

01 May 2025 – 29 May 2025 : Another position fix from Moon photo

  1. 2025-05-01 18:04 Frank Reed
  2. 2025-05-02 06:11 Antoine Couëtte
  3. 2025-05-02 16:31 Frank Reed
  4. 2025-05-03 08:04 Antoine Couëtte
  5. 2025-05-03 15:17 Modris Fersters
  6. 2025-05-03 18:28 Frank Reed
  7. 2025-05-03 18:40 Antoine Couëtte
  8. 2025-05-05 10:47 Antoine Couëtte
  9. 2025-05-05 15:05 Modris Fersters
  10. 2025-05-05 17:36 Modris Fersters
  11. 2025-05-06 00:18 Antoine Couëtte
  12. 2025-05-06 17:57 Frank Reed
  13. 2025-05-06 18:05 Antoine Couëtte
  14. 2025-05-06 19:43 Modris Fersters
  15. 2025-05-06 19:46 Modris Fersters
  16. 2025-05-07 09:59 Antoine Couëtte
  17. 2025-05-07 13:48 Antoine Couëtte
  18. 2025-05-29 02:41 Frank Reed

28 May 2025 – 01 Jun 2025 : Keuffel Esser sextant horizon glass repair issue.

  1. 2025-05-28 09:21 Joe Wong
  2. 2025-05-28 16:34 Jean-Philippe Planas
  3. 2025-05-28 17:42 Art Leung
  4. 2025-06-01 14:38 Joe Wong
  5. 2025-06-01 15:57 Jean-Philippe Planas

03 Jun 2025 – 03 Jun 2025 : Modern Celestial workshop this weekend

  1. 2025-06-03 16:57 Frank Reed

27 May 2025 – 03 Jun 2025 : Light pollution from ships at sea and in port

  1. 2025-05-27 13:56 Frank Reed
  2. 2025-05-27 15:31 Alexandre Eremenko
  3. 2025-05-27 16:18 Bill Ritchie
  4. 2025-05-28 01:19 Colin B
  5. 2025-05-30 14:44 Frank Reed
  6. 2025-06-03 17:13 Frank Reed

02 Jun 2025 – 03 Jun 2025 : Fred Espenak -- Mr Eclipse

  1. 2025-06-02 17:39 Frank Reed
  2. 2025-06-03 23:59 Frank Reed

04 Jun 2025 – 04 Jun 2025 : Re: Navigation Spreadsheets in 2024

  1. 2025-06-04 11:38 Dave Walden
  2. 2025-06-04 13:49 Bill Ritchie
  3. 2025-06-04 15:02 Peter Hakel
  4. 2025-06-04 17:01 Dave Walden
  5. 2025-06-04 21:36 Dave Walden
  6. 2025-06-04 21:38 Dave Walden

24 May 2025 – 05 Jun 2025 : Grounding incident by a cottage in Norway...

  1. 2025-05-24 15:24 Frank Reed
  2. 2025-05-27 21:49 David Pike
  3. 2025-05-28 11:03 Antoine Couëtte
  4. 2025-05-28 18:31 David Pike
  5. 2025-05-28 21:25 Frank Reed
  6. 2025-05-28 21:32 David Pike
  7. 2025-05-28 21:40 Frank Reed
  8. 2025-05-30 22:38 David C
  9. 2025-06-05 09:40 Antoine Couëtte

07 Jun 2025 – 07 Jun 2025 : Tamaya sextant for sale on ebay

  1. 2025-06-07 07:36 Matt Harvey

06 Jun 2025 – 07 Jun 2025 : Re: Reliable navigation coordinates of stars

  1. 2025-06-06 23:44 Paul Hirose
  2. 2025-06-07 14:42 Bill Ritchie
  3. 2025-06-07 14:45 Frank Reed

06 Jun 2025 – 08 Jun 2025 : Position fixing evolution in coastal navigation

  1. 2025-06-06 09:52 Andrés Ruiz
  2. 2025-06-08 08:49 Michael Bradley

03 Jun 2025 – 10 Jun 2025 : The Quadri-drone as an aid to marine survey...

  1. 2025-06-03 19:48 David Pike
  2. 2025-06-10 16:59 David Pike

11 Jun 2025 – 11 Jun 2025 : Calculating the geographic position of the First Point of Aries

  1. 2025-06-11 06:55 Brian Villmoare
  2. 2025-06-11 15:48 Frank Reed
  3. 2025-06-11 16:18 Robert H. van Gent
  4. 2025-06-11 17:56 Brian Villmoare
  5. 2025-06-11 22:38 Brian Villmoare

12 Jun 2025 – 12 Jun 2025 : Astronomical Algorithms by Jean Meeus.

  1. 2025-06-12 13:16 Antoine Couëtte

14 Jun 2025 – 14 Jun 2025 : Declination of Jupiter from A.I.

  1. 2025-06-14 15:56 Frank Reed

09 Jun 2025 – 14 Jun 2025 : Navigation stars in this photo...

  1. 2025-06-09 18:51 Frank Reed
  2. 2025-06-10 12:00 Dave Walden
  3. 2025-06-10 14:15 Frank Reed
  4. 2025-06-10 15:32 David Pike
  5. 2025-06-10 16:20 David Pike
  6. 2025-06-11 06:00 David Pike
  7. 2025-06-14 16:17 David Pike
  8. 2025-06-14 16:41 Frank Reed

15 Jun 2025 – 15 Jun 2025 : Re: NavList Hams

  1. 2025-06-15 16:15 Michael Josefsson

15 Jun 2025 – 15 Jun 2025 : Substitute sphere for record...

  1. 2025-06-15 03:42 Paul Saffo
  2. 2025-06-15 10:55 Todd Spath
  3. 2025-06-15 17:00 Paul Saffo

15 Jun 2025 – 15 Jun 2025 : Sextant Coffee!

  1. 2025-06-15 17:06 Paul Saffo

14 Jun 2025 – 16 Jun 2025 : Hughes Mate and other Hughes sextant scopes

  1. 2025-06-14 01:50 Craig D
  2. 2025-06-14 16:11 David Pike
  3. 2025-06-15 09:45 Craig D
  4. 2025-06-15 19:02 David Pike
  5. 2025-06-16 07:14 Craig D
  6. 2025-06-16 15:51 Frank Reed
  7. 2025-06-16 19:33 David Pike
  8. 2025-06-16 21:44 Craig D
  9. 2025-06-16 23:28 Craig D

18 Jun 2025 – 19 Jun 2025 : Traditional navigation by sliderule

  1. 2025-06-18 10:42 Brian Walton
  2. 2025-06-19 02:21 Brian Walton

03 Jun 2025 – 19 Jun 2025 : Longitude by compass variation

  1. 2025-06-03 17:24 Frank Reed
  2. 2025-06-03 18:45 David Pike
  3. 2025-06-03 21:59 David Pike
  4. 2025-06-03 23:49 Robert H. van Gent
  5. 2025-06-03 23:52 Frank Reed
  6. 2025-06-04 11:49 Alexandre Eremenko
  7. 2025-06-04 13:01 Adrian F
  8. 2025-06-04 13:41 David Pike
  9. 2025-06-04 17:21 Lars Bergman
  10. 2025-06-05 07:04 Andrés Ruiz
  11. 2025-06-10 15:18 Frank Reed
  12. 2025-06-18 13:20 Robin Stuart
  13. 2025-06-19 06:30 Lars Bergman

19 Jun 2025 – 20 Jun 2025 : Solstice June 20/21

  1. 2025-06-19 21:51 Frank Reed
  2. 2025-06-20 01:15 Sam Lyness
  3. 2025-06-20 01:19 Sam Lyness
  4. 2025-06-20 03:44 David C
  5. 2025-06-20 10:43 Bela Kovacs
  6. 2025-06-20 11:32 Dave Walden

24 May 2025 – 20 Jun 2025 : "sextant" angle range

  1. 2025-05-24 14:17 Frank Reed
  2. 2025-05-24 15:10 Alexandre Eremenko
  3. 2025-06-20 16:45 Noell Wilson

18 Jun 2025 – 22 Jun 2025 : Fit to slope technique for lunar distances

  1. 2025-06-18 13:57 Bob J
  2. 2025-06-18 19:29 Frank Reed
  3. 2025-06-22 01:22 Bob Jennings

21 Jun 2025 – 25 Jun 2025 : Length of a meter...

  1. 2025-06-21 19:06 Dale Lichtblau
  2. 2025-06-23 17:49 Antoine Couëtte
  3. 2025-06-24 00:27 Dale Lichtblau
  4. 2025-06-24 14:41 Antoine Couëtte
  5. 2025-06-24 20:12 Richard B. Langley
  6. 2025-06-24 21:14 Paul Hirose
  7. 2025-06-25 06:59 Antoine Couëtte

25 Jun 2025 – 25 Jun 2025 : Re: Aircraft plotting board for wwii celestial

  1. 2025-06-25 13:13 Dan M
  2. 2025-06-25 17:20 Art Leung
  3. 2025-06-25 23:53 Dan M

24 Jun 2025 – 26 Jun 2025 : Adjusting a kollsman bubble sextant

  1. 2025-06-24 21:42 Dan M
  2. 2025-06-25 17:23 Art Leung
  3. 2025-06-25 21:28 Dan M
  4. 2025-06-26 02:26 Gary LaPook
  5. 2025-06-26 17:18 Art Leung

26 Jun 2025 – 27 Jun 2025 : Calculating nutation with a spreadsheet?

  1. 2025-06-26 04:23 Brian Villmoare
  2. 2025-06-26 15:50 Dave Walden
  3. 2025-06-26 16:20 Antoine Couëtte
  4. 2025-06-26 17:19 Brian Villmoare
  5. 2025-06-26 18:12 Antoine Couëtte
  6. 2025-06-26 20:51 Paul Hirose
  7. 2025-06-26 21:05 Frank Reed
  8. 2025-06-27 00:02 Brian Villmoare
  9. 2025-06-27 01:53 Brian Villmoare
  10. 2025-06-27 05:14 Paul Hirose
  11. 2025-06-27 07:12 Antoine Couëtte

27 Jun 2025 – 27 Jun 2025 : The Plane Scale and Stereographic Projection...

  1. 2025-06-27 13:52 Andrés Ruiz
  2. 2025-06-27 14:32 Antoine Couëtte
  3. 2025-06-27 18:33 Robin Stuart

26 Jun 2025 – 27 Jun 2025 : Find the nav stars at KSC

  1. 2025-06-26 21:22 Frank Reed
  2. 2025-06-26 23:19 David Pike
  3. 2025-06-27 09:27 David Pike
  4. 2025-06-27 09:59 David Pike
  5. 2025-06-27 11:11 Frank Reed
  6. 2025-06-27 21:14 David Pike

29 Jun 2025 – 29 Jun 2025 : Mars occultation for giant tortoises

  1. 2025-06-29 19:13 Frank Reed

01 Jul 2025 – 01 Jul 2025 : Re: Cuauhtemoc crash

  1. 2025-07-01 22:13 Frank Reed

19 Jun 2025 – 02 Jul 2025 : "Maritime Art" of Peabody Essex Museum

  1. 2025-06-19 14:24 Robin Stuart
  2. 2025-06-25 17:26 Robin Stuart
  3. 2025-06-25 19:13 Lars Bergman
  4. 2025-06-27 14:39 Wolfgang Köberer
  5. 2025-07-02 23:54 Frank Reed

03 Jul 2025 – 03 Jul 2025 : Arcturus on television: 2 July 1941

  1. 2025-07-03 00:10 Frank Reed

04 Jul 2025 – 06 Jul 2025 : Street light time table 1886

  1. 2025-07-04 20:56 Paul Hirose
  2. 2025-07-06 00:28 Paul Saffo

06 Jul 2025 – 06 Jul 2025 : July 6 in the sky

  1. 2025-07-06 12:34 Dave Walden
  2. 2025-07-06 15:29 Antoine Couëtte
  3. 2025-07-06 15:43 Frank Reed

08 Jul 2025 – 08 Jul 2025 : Celestial navigation is alive and well...

  1. 2025-07-08 00:14 Frank Reed
  2. 2025-07-08 00:52 Paul Dolkas
  3. 2025-07-08 12:41 Roger Puttman
  4. 2025-07-08 17:11 Paul Saffo

09 Jul 2025 – 09 Jul 2025 : Computing sine & cosine part 1

  1. 2025-07-09 23:27 Paul Hirose

10 Jul 2025 – 10 Jul 2025 : ReedNavigation.com workshops coming up...

  1. 2025-07-10 03:58 Frank Reed

22 Jun 2025 – 10 Jul 2025 : Longitude by lunar altitudes

  1. 2025-06-22 01:04 Bob Jennings
  2. 2025-06-22 14:25 Antoine Couëtte
  3. 2025-06-23 06:49 Bob Jennings
  4. 2025-06-23 08:50 Antoine Couëtte
  5. 2025-06-23 12:57 Dave Walden
  6. 2025-06-23 14:59 Dave Walden
  7. 2025-06-23 15:04 Dave Walden
  8. 2025-06-24 13:35 Antoine Couëtte
  9. 2025-07-08 11:26 Bob Jennings
  10. 2025-07-08 13:42 Bob Jennings
  11. 2025-07-10 09:27 Antoine Couëtte

09 Jul 2025 – 10 Jul 2025 : Computing sine & cosine part 2

  1. 2025-07-09 23:41 Paul Hirose
  2. 2025-07-10 09:38 Antoine Couëtte

13 Jul 2025 – 14 Jul 2025 : Last Apollo sextant: 50 years ago...

  1. 2025-07-13 16:27 Frank Reed
  2. 2025-07-14 12:25 Dave Walden

12 Jul 2025 – 15 Jul 2025 : Re: The Plane Scale and Stereographic Projection in Early Navigation

  1. 2025-07-12 12:37 Robin Stuart
  2. 2025-07-12 19:03 Robert H. van Gent
  3. 2025-07-13 12:48 Robin Stuart
  4. 2025-07-14 14:26 Robert H. van Gent
  5. 2025-07-14 18:54 Frank Reed
  6. 2025-07-14 19:51 Murray Buckman
  7. 2025-07-15 15:25 Robin Stuart

15 Jul 2025 – 15 Jul 2025 : Re: Refilling an A10-A bubble

  1. 2025-07-15 18:02 Dan M

10 Jul 2025 – 15 Jul 2025 : Almanac data puzzle: 9 Dec 1941

  1. 2025-07-10 01:14 Frank Reed
  2. 2025-07-10 14:47 Wolfgang Köberer
  3. 2025-07-10 17:56 Dave Walden
  4. 2025-07-10 19:42 David Pike
  5. 2025-07-10 20:43 Frank Reed
  6. 2025-07-10 22:02 David Pike
  7. 2025-07-11 14:40 David Pike
  8. 2025-07-11 15:15 Dave Walden
  9. 2025-07-11 15:18 Robert H. van Gent
  10. 2025-07-11 15:21 Robert H. van Gent
  11. 2025-07-11 17:21 Frank Reed
  12. 2025-07-12 01:18 Paul Hirose
  13. 2025-07-13 16:10 Frank Reed
  14. 2025-07-15 08:00 Wolfgang Köberer
  15. 2025-07-15 20:59 Bill Ritchie
  16. 2025-07-15 23:22 Frank Reed

04 Jul 2025 – 20 Jul 2025 : Davis metal sextant

  1. 2025-07-04 15:10 Jan Eckert
  2. 2025-07-04 20:46 David Pike
  3. 2025-07-05 16:05 Jan Eckert
  4. 2025-07-05 17:41 Simon Horwith
  5. 2025-07-06 14:49 David Pike
  6. 2025-07-06 15:01 David Pike
  7. 2025-07-20 18:22 Frank Reed
  8. 2025-07-20 20:53 Ralf C Kohlrausch
  9. 2025-07-20 23:07 Frank Reed

20 Jul 2025 – 25 Jul 2025 : Air navigation "beam" sights

  1. 2025-07-20 16:06 Frank Reed
  2. 2025-07-20 16:35 Gary LaPook
  3. 2025-07-20 16:48 Joe Plazak
  4. 2025-07-20 20:25 David Pike
  5. 2025-07-21 12:32 Andrés Ruiz
  6. 2025-07-22 01:02 Peter B
  7. 2025-07-22 03:49 Gary LaPook
  8. 2025-07-23 16:51 Howard G
  9. 2025-07-25 03:47 David C
  10. 2025-07-25 06:24 Gary Lapook
  11. 2025-07-25 06:53 Gary Lapook
  12. 2025-07-25 16:16 Frank Reed
  13. 2025-07-25 16:35 Frank Reed
  14. 2025-07-25 17:10 Jeffrey Rock

25 Jul 2025 – 25 Jul 2025 : Some celestial bodies

  1. 2025-07-25 17:17 Jeffrey Rock
  2. 2025-07-25 20:14 David Pike

26 Jul 2025 – 29 Jul 2025 : EBBCO plastic sextant

  1. 2025-07-26 01:42 Ed Hlywa
  2. 2025-07-26 13:43 David Pike
  3. 2025-07-26 16:59 Ed Hlywa
  4. 2025-07-26 17:42 David Pike
  5. 2025-07-28 12:57 Greg Rudzinski
  6. 2025-07-28 15:53 Ed Hlywa
  7. 2025-07-28 20:27 Greg Rudzinski
  8. 2025-07-29 01:04 Ed Hlywa

29 Jul 2025 – 31 Jul 2025 : Origin of "Lahaina Noon"

  1. 2025-07-29 21:34 Frank Reed
  2. 2025-07-30 08:32 Lars Bergman
  3. 2025-07-31 23:49 Frank Reed

31 Jul 2025 – 01 Aug 2025 : Land Navigation at Mountain Warfare School in the Mid-1980's

  1. 2025-07-31 21:19 J Haggerty
  2. 2025-08-01 02:39 Daniel Loewer

01 Aug 2025 – 01 Aug 2025 : Sturt in Australia

  1. 2025-08-01 14:06 Dave Walden
  2. 2025-08-01 14:10 Dave Walden

30 Jul 2025 – 01 Aug 2025 : Bubble Sextant (Bubble)

  1. 2025-07-30 16:38 Steve Gillion
  2. 2025-07-31 21:46 David Pike
  3. 2025-08-01 15:43 David Pike

02 Aug 2025 – 02 Aug 2025 : Lunars workshop PACIFIC session soon

  1. 2025-08-02 01:23 Frank Reed

29 Jul 2025 – 02 Aug 2025 : Navigation by star charts

  1. 2025-07-29 00:09 Frank Reed
  2. 2025-07-29 22:06 David Pike
  3. 2025-07-30 10:04 Modris Fersters
  4. 2025-07-30 10:09 David Pike
  5. 2025-07-30 21:42 David Pike
  6. 2025-07-31 06:29 Modris Fersters
  7. 2025-07-31 21:10 David Pike
  8. 2025-07-31 23:57 Frank Reed
  9. 2025-07-31 23:59 Frank Reed
  10. 2025-08-01 14:20 Modris Fersters
  11. 2025-08-01 15:46 David Pike
  12. 2025-08-01 17:39 David Pike
  13. 2025-08-01 18:01 Gary LaPook
  14. 2025-08-01 21:06 Frank Reed
  15. 2025-08-01 22:19 Bill Ritchie
  16. 2025-08-02 00:37 Robert H. van Gent
  17. 2025-08-02 04:44 Frank Reed
  18. 2025-08-02 07:34 David Pike
  19. 2025-08-02 15:27 Robert H. van Gent

03 Aug 2025 – 03 Aug 2025 : Bygrave on ebay

  1. 2025-08-03 19:19 Gary LaPook
  2. 2025-08-03 19:27 Frank Reed

02 Aug 2025 – 04 Aug 2025 : First South Atlantic aerial crossing by sextant!

  1. 2025-08-02 16:08 Dale Lichtblau
  2. 2025-08-02 16:58 Frank Reed
  3. 2025-08-02 18:48 Dale Lichtblau
  4. 2025-08-02 18:59 Wolfgang Köberer
  5. 2025-08-02 21:03 Dale Lichtblau
  6. 2025-08-03 00:22 Dale Lichtblau
  7. 2025-08-03 09:06 Wolfgang Köberer
  8. 2025-08-03 09:40 Gary LaPook
  9. 2025-08-03 18:51 Art Leung
  10. 2025-08-03 19:49 Frank Reed
  11. 2025-08-03 23:10 David Pike
  12. 2025-08-04 05:49 Brian Walton
  13. 2025-08-04 15:13 Dale Lichtblau
  14. 2025-08-04 20:50 David Pike

22 Jul 2025 – 05 Aug 2025 : News stories about "length of day" and leap seconds

  1. 2025-07-22 16:16 Frank Reed
  2. 2025-08-05 15:02 Frank Reed

11 Aug 2025 – 11 Aug 2025 : Navigation under the poles in a nuclear submarine

  1. 2025-08-11 00:20 Howard G

12 Aug 2025 – 12 Aug 2025 : Vertical sextant angle, refraction, dip, range, just confused myself.

  1. 2025-08-12 02:03 Mark Coady

07 Aug 2025 – 13 Aug 2025 : Jupiter and Venus

  1. 2025-08-07 03:29 Antoine Couëtte
  2. 2025-08-07 11:58 Lars Bergman
  3. 2025-08-07 18:36 Robert H. van Gent
  4. 2025-08-07 21:45 Bill Ritchie
  5. 2025-08-07 23:46 Paul Hirose
  6. 2025-08-08 08:53 Antoine Couëtte
  7. 2025-08-08 17:13 Robert H. van Gent
  8. 2025-08-08 17:42 Frank Reed
  9. 2025-08-09 14:05 Antoine Couëtte
  10. 2025-08-10 14:51 Antoine Couëtte
  11. 2025-08-12 04:29 Paul Hirose
  12. 2025-08-12 12:08 Martin Caminos
  13. 2025-08-13 12:34 Dave Walden

12 Aug 2025 – 13 Aug 2025 : Just a heads up (GPS Anti Spoof app)

  1. 2025-08-12 14:49 Paul Jackson
  2. 2025-08-12 14:55 Frank Reed
  3. 2025-08-13 23:49 David C

14 Aug 2025 – 15 Aug 2025 : Refraction constants for range of visibility

  1. 2025-08-14 23:46 Mark Coady
  2. 2025-08-15 00:07 Frank Reed

16 Aug 2025 – 17 Aug 2025 : How to calculate daily advance of GHA Aries?

  1. 2025-08-16 07:47 Marc van Gestel
  2. 2025-08-16 17:50 Dave Walden
  3. 2025-08-16 17:54 Ian Gifford
  4. 2025-08-16 19:39 Frank Reed
  5. 2025-08-16 20:58 David Pike
  6. 2025-08-16 21:04 Marc van Gestel
  7. 2025-08-17 06:51 Marc van Gestel

19 Aug 2025 – 19 Aug 2025 : The Moon and the planets over the ecliptic

  1. 2025-08-19 12:47 Martin Caminos

19 Aug 2025 – 19 Aug 2025 : Ai Gmt To Tt

  1. 2025-08-19 14:08 Dave Walden

16 Aug 2025 – 22 Aug 2025 : Flinders and Bass (+ cat) remembered in the Antipodes?

  1. 2025-08-16 21:47 David Pike
  2. 2025-08-17 17:47 Frank Reed
  3. 2025-08-19 08:09 Roger Puttman
  4. 2025-08-19 17:10 Gary LaPook
  5. 2025-08-20 20:37 David Pike
  6. 2025-08-21 15:45 Gary LaPook
  7. 2025-08-22 03:31 David C
  8. 2025-08-22 08:01 David Pike
  9. 2025-08-22 13:33 Robin Stuart

20 Aug 2025 – 22 Aug 2025 : The latest silly overhyped celestial event...

  1. 2025-08-20 20:53 Paul Saffo
  2. 2025-08-22 23:41 Frank Reed

20 Aug 2025 – 25 Aug 2025 : How Did Captain Cook Chart St Laurence and the Pacific

  1. 2025-08-20 04:34 Bob Bossert
  2. 2025-08-20 19:54 Frank Reed
  3. 2025-08-22 14:31 Bob Bossert
  4. 2025-08-25 16:44 Bob Bossert

20 Aug 2025 – 26 Aug 2025 : Bubble sextant Coriolis and Rhumbline corrections

  1. 2025-08-20 02:06 Frank Reed
  2. 2025-08-20 09:26 Lars Bergman
  3. 2025-08-20 10:16 Wolfgang Köberer
  4. 2025-08-20 14:01 Dale Lichtblau
  5. 2025-08-20 14:55 Robert H. van Gent
  6. 2025-08-20 19:42 Don Seltzer
  7. 2025-08-22 18:36 Chuck Varney
  8. 2025-08-22 23:52 Frank Reed
  9. 2025-08-23 16:50 Martin Caminos
  10. 2025-08-26 10:05 Andrés Ruiz
  11. 2025-08-26 18:13 Frank Reed

30 Aug 2025 – 30 Aug 2025 : 1977 Heath sextant $349

  1. 2025-08-30 19:20 Robert VanderPol II
  2. 2025-08-30 19:59 David Pike

04 Sep 2025 – 04 Sep 2025 : GPS Anti Spoof app update

  1. 2025-09-04 15:45 Frank Reed

02 Sep 2025 – 04 Sep 2025 : Metal 3-Arm Protractor "Handedness" (Station Pointer)

  1. 2025-09-02 16:32 Erik A
  2. 2025-09-02 19:38 Alexandre Eremenko
  3. 2025-09-03 12:07 Fred Hebard
  4. 2025-09-03 14:44 Erik A
  5. 2025-09-03 18:35 Ian Gifford
  6. 2025-09-03 21:13 David Pike
  7. 2025-09-03 22:29 Erik A
  8. 2025-09-04 12:54 Alexandre Eremenko
  9. 2025-09-04 14:24 Erik A
  10. 2025-09-04 19:48 Alexandre Eremenko

05 Sep 2025 – 05 Sep 2025 : Kepler and the invention of logarithms

  1. 2025-09-05 03:53 Gary LaPook
  2. 2025-09-05 18:20 Martin Whittle

05 Sep 2025 – 06 Sep 2025 : 2026 Nautical Almanac

  1. 2025-09-05 13:46 Bob Peterson
  2. 2025-09-05 18:03 Dave Walden
  3. 2025-09-06 06:22 John Clements

05 Sep 2025 – 06 Sep 2025 : Refraction formula incorporating the elevation of the observer

  1. 2025-09-05 19:20 Brian Villmoare
  2. 2025-09-06 07:05 Gary LaPook
  3. 2025-09-06 11:27 David Pike
  4. 2025-09-06 16:34 Brian Villmoare

26 Aug 2025 – 06 Sep 2025 : Mercator projection in the news

  1. 2025-08-26 17:56 Frank Reed
  2. 2025-08-26 18:37 Gary LaPook
  3. 2025-08-26 18:45 Gary LaPook
  4. 2025-08-26 19:12 Joe Plazak
  5. 2025-08-26 23:46 Dave Walden
  6. 2025-08-27 13:39 Alexandre Eremenko
  7. 2025-08-27 17:44 Lawrie Elms
  8. 2025-08-27 20:47 Bill Lionheart
  9. 2025-08-28 06:51 Andrés Ruiz
  10. 2025-08-28 12:48 Frank Reed
  11. 2025-08-28 12:59 Richard Toohey
  12. 2025-08-28 14:04 Frank Reed
  13. 2025-08-28 14:24 Frank Reed
  14. 2025-08-28 16:01 Martin Caminos
  15. 2025-08-28 17:33 Andrés Ruiz
  16. 2025-08-28 19:10 Alexandre Eremenko
  17. 2025-08-29 00:48 Richard Toohey
  18. 2025-08-29 20:15 David Pike
  19. 2025-08-29 23:40 Frank Reed
  20. 2025-08-29 23:56 David C
  21. 2025-08-30 01:18 Frank Reed
  22. 2025-08-30 19:04 David Pike
  23. 2025-08-31 07:31 Brian Walton
  24. 2025-08-31 18:38 David Pike
  25. 2025-09-01 20:40 Paul Hirose
  26. 2025-09-01 23:40 Martin Caminos
  27. 2025-09-02 06:44 Alexandre Eremenko
  28. 2025-09-02 10:16 Brian Walton
  29. 2025-09-04 13:00 Bob Bossert
  30. 2025-09-04 14:25 Frank Reed
  31. 2025-09-04 15:11 Frank Reed
  32. 2025-09-05 15:00 Bob Bossert
  33. 2025-09-05 18:05 Frank Reed
  34. 2025-09-06 08:39 Gary LaPook
  35. 2025-09-06 16:32 David Pike
  36. 2025-09-06 16:59 Christopher Willmes

01 Sep 2025 – 06 Sep 2025 : Lat and Long from satellite Obs

  1. 2025-09-01 16:31 Dave Walden
  2. 2025-09-01 22:19 David Pike
  3. 2025-09-01 22:24 David Pike
  4. 2025-09-01 23:32 Dave Walden
  5. 2025-09-04 15:18 Frank Reed
  6. 2025-09-04 15:39 Dave Walden
  7. 2025-09-04 20:51 David Pike
  8. 2025-09-04 22:14 Dave Walden
  9. 2025-09-04 23:39 Dave Walden
  10. 2025-09-04 23:44 Frank Reed
  11. 2025-09-05 07:19 David Pike
  12. 2025-09-05 10:43 Dave Walden
  13. 2025-09-06 17:03 Frank Reed

08 Sep 2025 – 08 Sep 2025 : Inside GNSS+: Celestial Navigation and Open Architecture

  1. 2025-09-08 20:00 Bob Peterson

12 Sep 2025 – 14 Sep 2025 : Gentleman's Sun Moon Fix Period Coming up

  1. 2025-09-12 20:06 David Pike
  2. 2025-09-14 19:08 Frank Reed

08 Sep 2025 – 15 Sep 2025 : Julian Date formula for sun algorithm

  1. 2025-09-08 17:27 Jim Hickey
  2. 2025-09-08 18:51 Alexandre Eremenko
  3. 2025-09-08 19:15 Jim Hickey
  4. 2025-09-08 21:11 Dave Walden
  5. 2025-09-08 21:27 Dave Walden
  6. 2025-09-08 21:50 Alexandre Eremenko
  7. 2025-09-08 23:16 Dave Walden
  8. 2025-09-08 23:27 John Clements
  9. 2025-09-09 02:16 Jim Hickey
  10. 2025-09-09 21:47 Frank Reed
  11. 2025-09-09 22:02 Frank Reed
  12. 2025-09-10 18:37 Bob Bossert
  13. 2025-09-11 02:40 Frank Reed
  14. 2025-09-11 21:11 Bob Bossert
  15. 2025-09-12 14:28 Jim Hickey
  16. 2025-09-12 14:36 Jim Hickey
  17. 2025-09-13 14:12 Frank Reed
  18. 2025-09-15 20:12 Paul Hirose

16 Sep 2025 – 16 Sep 2025 : "All Is Lost", Robert Redford, 2013

  1. 2025-09-16 20:12 Frank Reed

22 Aug 2025 – 17 Sep 2025 : Using "Clear & Analyze a Lunar" app

  1. 2025-08-22 14:01 Bob Bossert
  2. 2025-08-22 23:15 Frank Reed
  3. 2025-08-24 19:03 Bob Bossert
  4. 2025-08-27 03:43 Homer Smith
  5. 2025-08-27 14:30 Frank Reed
  6. 2025-08-28 00:20 Homer Smith
  7. 2025-09-03 02:23 Bob Bossert
  8. 2025-09-15 04:56 Homer Smith
  9. 2025-09-17 16:22 Frank Reed

16 Sep 2025 – 18 Sep 2025 : Spherical triangles versus plane triangles

  1. 2025-09-16 19:24 Frank Reed
  2. 2025-09-16 21:33 David Pike
  3. 2025-09-17 08:20 David Pike
  4. 2025-09-17 14:23 Alexandre Eremenko
  5. 2025-09-17 14:38 Alexandre Eremenko
  6. 2025-09-17 16:33 Frank Reed
  7. 2025-09-17 16:39 Frank Reed
  8. 2025-09-17 18:39 Ian Staniforth
  9. 2025-09-17 20:51 Alexandre Eremenko
  10. 2025-09-17 21:24 David Pike
  11. 2025-09-17 21:59 Frank Reed
  12. 2025-09-17 22:35 Frank Reed
  13. 2025-09-18 16:44 Robin Stuart

17 Sep 2025 – 20 Sep 2025 : Low accuracy Sun coordinates

  1. 2025-09-17 23:32 Paul Hirose
  2. 2025-09-18 16:54 Jim Hickey
  3. 2025-09-20 20:59 Paul Hirose

21 Sep 2025 – 22 Sep 2025 : Equinox Eclipse

  1. 2025-09-21 14:05 Frank Reed
  2. 2025-09-21 21:12 Frank Reed
  3. 2025-09-22 14:17 Dave Walden
  4. 2025-09-22 14:40 Frank Reed
  5. 2025-09-22 18:02 Dave Walden

25 Sep 2025 – 26 Sep 2025 : Trouble viewing star in sextant

  1. 2025-09-25 20:22 Gene vialle
  2. 2025-09-26 00:05 Frank Reed
  3. 2025-09-26 00:10 David Fleming
  4. 2025-09-26 00:11 Gene Vialle
  5. 2025-09-26 00:15 Frank Reed

17 Sep 2025 – 26 Sep 2025 : Davis sextants with poor shades

  1. 2025-09-17 16:03 Frank Reed
  2. 2025-09-20 17:39 Matus Tejiscak
  3. 2025-09-26 04:47 Homer Smith

22 Sep 2025 – 27 Sep 2025 : Looking to buy a working Celesticomp V

  1. 2025-09-22 15:35 Paul Mierop
  2. 2025-09-22 19:51 Dale Lichtblau
  3. 2025-09-23 13:48 Paul Mierop
  4. 2025-09-23 16:22 Denis Vannier
  5. 2025-09-23 16:44 Charlie Smith
  6. 2025-09-23 23:03 Dale Lichtblau
  7. 2025-09-24 17:03 Frank Reed
  8. 2025-09-24 18:16 Paul Mierop
  9. 2025-09-25 01:30 Christopher Willmes
  10. 2025-09-25 03:25 Dave Walden
  11. 2025-09-25 23:19 David C
  12. 2025-09-27 02:13 Paul Mierop

28 Sep 2025 – 29 Sep 2025 : Navigation star and green aurora

  1. 2025-09-28 22:54 Frank Reed
  2. 2025-09-29 18:10 David Pike
  3. 2025-09-29 18:23 Frank Reed
  4. 2025-09-29 22:01 David Pike

11 Sep 2025 – 30 Sep 2025 : Palm trees and navigation stars

  1. 2025-09-11 05:04 Frank Reed
  2. 2025-09-11 15:00 Dave Walden
  3. 2025-09-14 19:39 Frank Reed
  4. 2025-09-14 21:04 David Pike
  5. 2025-09-15 20:54 David Pike
  6. 2025-09-30 18:41 Frank Reed

28 Sep 2025 – 30 Sep 2025 : Navigation stars from Teide

  1. 2025-09-28 22:58 Frank Reed
  2. 2025-09-29 18:13 David Pike
  3. 2025-09-30 18:53 Frank Reed
  4. 2025-09-30 20:33 David Pike

02 Oct 2025 – 02 Oct 2025 : Adriaen Block chart of Conn. and Rhode I. 1614

  1. 2025-10-02 15:07 Frank Reed

02 Oct 2025 – 02 Oct 2025 : Celestial navigation workshops, Mystic and Online

  1. 2025-10-02 15:34 Frank Reed

02 Oct 2025 – 02 Oct 2025 : Octant and whaleship movie 1922

  1. 2025-10-02 16:10 Frank Reed

26 Sep 2025 – 03 Oct 2025 : Sight reduction and sight-planning alternative

  1. 2025-09-26 19:10 Michael Bradley
  2. 2025-10-02 16:49 Frank Reed
  3. 2025-10-03 19:16 Michael Bradley

03 Oct 2025 – 03 Oct 2025 : Navigation Spreadsheets in 2026

  1. 2025-10-03 22:07 Peter Hakel

02 Oct 2025 – 06 Oct 2025 : Sextant and HO 229 in a movie

  1. 2025-10-02 16:30 Frank Reed
  2. 2025-10-02 21:18 Matus Tejiscak
  3. 2025-10-02 22:55 Richard Toohey
  4. 2025-10-03 22:29 Dale Lichtblau
  5. 2025-10-03 22:53 Dale Lichtblau
  6. 2025-10-04 19:58 Greg Rudzinski
  7. 2025-10-04 20:08 Greg Rudzinski
  8. 2025-10-05 12:34 Greg Rudzinski
  9. 2025-10-05 12:55 Greg Rudzinski
  10. 2025-10-06 04:38 Al Stewart

14 Oct 2025 – 14 Oct 2025 : Re: How Did Captain Cook Chart St Laurence and the Pacific

  1. 2025-10-14 12:11 Noell Wilson
  2. 2025-10-14 19:01 David Pike

16 Oct 2025 – 16 Oct 2025 : Celestial workshops: Mystic Seaport and online...

  1. 2025-10-16 18:15 Frank Reed

15 Oct 2025 – 17 Oct 2025 : Fun in the Pacific...

  1. 2025-10-15 19:36 Frank Reed
  2. 2025-10-16 07:29 Todd Spath
  3. 2025-10-16 15:22 Rafael C. Caruso
  4. 2025-10-17 16:23 Rafael C. Caruso

17 Oct 2025 – 17 Oct 2025 : Re: Fun in the Pacific... more about Point Nemo

  1. 2025-10-17 19:07 Paul Saffo

22 Oct 2025 – 23 Oct 2025 : ADMIN: NavList Operations contributions

  1. 2025-10-22 22:30 Frank Reed
  2. 2025-10-23 00:10 Jeffrey Rock
  3. 2025-10-23 15:52 Frank Reed

26 Oct 2025 – 28 Oct 2025 : HO 249 assume position

  1. 2025-10-26 22:41 Stephen Bhatt
  2. 2025-10-27 08:59 Tibor Miseta
  3. 2025-10-27 18:54 Murray Buckman
  4. 2025-10-28 02:15 Dustin Baenen
  5. 2025-10-28 02:40 Gary LaPook
  6. 2025-10-28 02:55 Stephen Bhatt
  7. 2025-10-28 18:05 Art Leung

28 Oct 2025 – 29 Oct 2025 : Refraction in the eye of a hurricane

  1. 2025-10-28 17:08 Frank Reed
  2. 2025-10-28 22:58 Bill Ritchie
  3. 2025-10-29 02:12 Al Stewart

26 Oct 2025 – 30 Oct 2025 : Sextant Aqu-1/A

  1. 2025-10-26 06:20 Kevin Coulombe
  2. 2025-10-26 15:31 Frank Reed
  3. 2025-10-27 00:30 David Pike
  4. 2025-10-27 03:50 Kevin Coulombe
  5. 2025-10-27 16:26 Kevin Coulombe
  6. 2025-10-27 20:48 David Pike
  7. 2025-10-27 23:43 Paul Hirose
  8. 2025-10-27 23:47 Kevin Coulombe
  9. 2025-10-28 03:12 Frank Reed
  10. 2025-10-28 17:00 Kevin Coulombe
  11. 2025-10-29 16:59 David Pike
  12. 2025-10-29 18:30 Kevin Coulombe
  13. 2025-10-29 19:50 David Pike
  14. 2025-10-30 02:10 Kevin Coulombe
  15. 2025-10-30 04:15 Chuck Varney
  16. 2025-10-30 07:27 Kevin Coulombe
  17. 2025-10-30 07:58 Kevin Coulombe

06 Oct 2025 – 31 Oct 2025 : A triangle on the equator

  1. 2025-10-06 18:56 Frank Reed
  2. 2025-10-06 20:44 Lars Bergman
  3. 2025-10-07 04:18 Martin Caminos
  4. 2025-10-07 10:30 Lars Bergman
  5. 2025-10-07 13:30 David Pike
  6. 2025-10-07 18:47 Robin Stuart
  7. 2025-10-07 19:57 Bill Lionheart
  8. 2025-10-07 20:54 David Pike
  9. 2025-10-07 23:59 Frank Reed
  10. 2025-10-08 00:25 Frank Reed
  11. 2025-10-08 13:57 Martin Caminos
  12. 2025-10-08 16:04 Frank Reed
  13. 2025-10-08 19:22 David Pike
  14. 2025-10-08 20:43 Lars Bergman
  15. 2025-10-09 14:17 Lars Bergman
  16. 2025-10-10 00:29 Frank Reed
  17. 2025-10-10 00:40 Frank Reed
  18. 2025-10-10 00:48 Frank Reed
  19. 2025-10-10 09:29 David Pike
  20. 2025-10-10 18:30 Bill Lionheart
  21. 2025-10-10 19:36 Lars Bergman
  22. 2025-10-10 20:36 David Pike
  23. 2025-10-11 20:45 Frank Reed
  24. 2025-10-11 21:05 Martin Caminos
  25. 2025-10-13 03:32 Paul Hirose
  26. 2025-10-13 16:49 Antoine Couëtte
  27. 2025-10-13 21:29 Frank Reed
  28. 2025-10-14 11:55 Antoine Couëtte
  29. 2025-10-15 08:22 Antoine Couëtte
  30. 2025-10-16 20:41 David Pike
  31. 2025-10-17 17:27 Antoine Couëtte
  32. 2025-10-17 17:55 Antoine Couëtte
  33. 2025-10-18 09:06 David Pike
  34. 2025-10-18 14:48 Antoine Couëtte
  35. 2025-10-19 01:37 Dale Lichtblau
  36. 2025-10-19 13:26 David Pike
  37. 2025-10-20 15:36 Lars Bergman
  38. 2025-10-20 17:51 Antoine Couëtte
  39. 2025-10-20 19:16 David Pike
  40. 2025-10-21 16:18 Antoine Couëtte
  41. 2025-10-22 16:01 Frank Reed
  42. 2025-10-22 16:11 Frank Reed
  43. 2025-10-22 23:42 Antoine Couëtte
  44. 2025-10-31 15:21 Antoine Couëtte

13 Oct 2025 – 31 Oct 2025 : Some advice on chatbots

  1. 2025-10-13 20:30 Frank Reed
  2. 2025-10-13 21:49 NavList Visitor
  3. 2025-10-30 17:10 Frank Reed
  4. 2025-10-31 09:52 David Pike
  5. 2025-10-31 18:05 Dave Walden
  6. 2025-10-31 20:18 David Pike
  7. 2025-10-31 22:09 David Pike

28 Oct 2025 – 03 Nov 2025 : Bubble sextant in movie

  1. 2025-10-28 09:54 Gary LaPook
  2. 2025-10-28 16:50 Kevin Coulombe
  3. 2025-11-03 09:58 Gary LaPook

04 Nov 2025 – 04 Nov 2025 : Stellarium and smartphone compasses

  1. 2025-11-04 11:14 David Pike
  2. 2025-11-04 15:42 Frank Reed
  3. 2025-11-04 18:00 David Pike

05 Nov 2025 – 06 Nov 2025 : Henry Barrow & co, London. Sextant

  1. 2025-11-05 15:45 H Johansen
  2. 2025-11-05 19:36 Ralf C Kohlrausch
  3. 2025-11-05 21:37 Luc Van den Borre
  4. 2025-11-05 23:36 David Pike
  5. 2025-11-06 18:41 Paul Saffo
  6. 2025-11-06 19:04 Frank Reed

13 Nov 2025 – 13 Nov 2025 : Re: Sextant with 3D printer

  1. 2025-11-13 15:21 Ian McCrum

12 Nov 2025 – 16 Nov 2025 : Photographic Moon-Jupiter Lunar in daylight

  1. 2025-11-12 21:04 Frank Reed
  2. 2025-11-14 20:39 Modris Fersters
  3. 2025-11-15 16:00 Frank Reed
  4. 2025-11-16 10:49 Modris Fersters
  5. 2025-11-16 17:17 Frank Reed

29 Oct 2025 – 19 Nov 2025 : Zeppelin sextants and altitude corrections

  1. 2025-10-29 13:49 Charles McElhill
  2. 2025-10-29 15:13 Alexandre Eremenko
  3. 2025-10-29 17:25 Art Leung
  4. 2025-10-29 18:04 David Pike
  5. 2025-10-29 18:21 Kevin Coulombe
  6. 2025-10-29 21:42 Paul Saffo
  7. 2025-10-30 15:49 Alexandre Eremenko
  8. 2025-10-30 19:17 Art Leung
  9. 2025-11-01 00:53 Antoine Couëtte
  10. 2025-11-01 20:46 David Pike
  11. 2025-11-02 15:43 Dave Walden
  12. 2025-11-03 02:19 Alexandre Eremenko
  13. 2025-11-03 10:28 Brian Walton
  14. 2025-11-03 10:44 Bill Ritchie
  15. 2025-11-03 16:50 David Pike
  16. 2025-11-03 19:57 Gary LaPook
  17. 2025-11-04 16:04 Frank Reed
  18. 2025-11-04 17:39 Wolfgang Köberer
  19. 2025-11-04 23:11 David Pike
  20. 2025-11-05 15:11 Dave Walden
  21. 2025-11-05 18:47 David Pike
  22. 2025-11-19 09:18 Antoine Couëtte

11 Nov 2025 – 19 Nov 2025 : Motions of the stars seen from the equator

  1. 2025-11-11 22:58 Stephen Bhatt
  2. 2025-11-12 14:35 Frank Reed
  3. 2025-11-15 22:10 Frank Reed
  4. 2025-11-15 23:28 David Pike
  5. 2025-11-16 05:33 Martin Caminos
  6. 2025-11-16 11:11 David Pike
  7. 2025-11-18 12:35 David Pike
  8. 2025-11-18 17:57 Frank Reed
  9. 2025-11-18 18:37 Frank Reed
  10. 2025-11-19 14:08 Noell Wilson

19 Nov 2025 – 19 Nov 2025 : Re: How Did Captain Cook Chart St Laurence and the Pacific

  1. 2025-11-19 17:45 Noell Wilson

06 Nov 2025 – 19 Nov 2025 : Historical sextant angular units

  1. 2025-11-06 15:36 Bob Bossert
  2. 2025-11-07 00:33 Alexandre Eremenko
  3. 2025-11-07 15:54 Frank Reed
  4. 2025-11-07 23:18 Paul Hirose
  5. 2025-11-08 13:57 Alexandre Eremenko
  6. 2025-11-10 21:01 Gary LaPook
  7. 2025-11-19 15:56 Noell Wilson
  8. 2025-11-19 16:41 Noell Wilson
  9. 2025-11-19 17:52 Frank Reed

19 Nov 2025 – 19 Nov 2025 : Amelia Earhart document release

  1. 2025-11-19 22:14 Paul Hirose

05 Nov 2025 – 20 Nov 2025 : Swapping wooden sextant cases for waterproof

  1. 2025-11-05 16:11 NavList Visitor
  2. 2025-11-19 15:10 Noell Wilson
  3. 2025-11-20 07:25 Ian Gifford

20 Nov 2025 – 21 Nov 2025 : Sun and Moon in a movie

  1. 2025-11-20 01:36 Frank Reed
  2. 2025-11-20 22:30 David Pike
  3. 2025-11-21 02:17 Frank Reed
  4. 2025-11-21 16:09 David Pike

06 Nov 2025 – 21 Nov 2025 : Locating Captain Scott's Body

  1. 2025-11-06 22:31 Bill Lionheart
  2. 2025-11-06 22:41 Bill Lionheart
  3. 2025-11-19 14:13 Noell Wilson
  4. 2025-11-19 14:38 Noell Wilson
  5. 2025-11-20 16:50 Bill Lionheart
  6. 2025-11-20 19:55 Frank Reed
  7. 2025-11-20 21:57 David Pike
  8. 2025-11-21 22:48 Paul Hirose

19 Nov 2025 – 22 Nov 2025 : NYT on Marshall Islands Wayfinding at Sea

  1. 2025-11-19 02:49 Chris Post
  2. 2025-11-19 07:12 Charlie Smith
  3. 2025-11-19 07:58 Charlie Smith
  4. 2025-11-19 17:39 Frank Reed
  5. 2025-11-20 20:20 Murray Buckman
  6. 2025-11-22 00:20 Chris Post

21 Nov 2025 – 29 Nov 2025 : DR needed for a celestial fix?

  1. 2025-11-21 19:09 Bob Bossert
  2. 2025-11-22 01:49 Martin Caminos
  3. 2025-11-22 08:53 Gary LaPook
  4. 2025-11-23 00:38 Paul Hirose
  5. 2025-11-23 11:03 Andy Johnson
  6. 2025-11-25 20:31 Frank Reed
  7. 2025-11-25 21:08 Alexandre Eremenko
  8. 2025-11-29 16:51 Gary LaPook

25 Nov 2025 – 30 Nov 2025 : FakeTamaya sextant analysis

  1. 2025-11-25 19:52 Frank Reed
  2. 2025-11-25 20:42 John Carbone
  3. 2025-11-26 14:00 Bob Bossert
  4. 2025-11-26 22:51 Colin B
  5. 2025-11-26 23:14 Bill Ritchie
  6. 2025-11-27 01:36 Richard Toohey
  7. 2025-11-27 03:22 Ken Muldrew
  8. 2025-11-27 16:25 Al Stewart
  9. 2025-11-27 16:30 Frank Reed
  10. 2025-11-29 16:57 Bill Lionheart
  11. 2025-11-29 22:20 David Pike
  12. 2025-11-29 22:38 David Pike
  13. 2025-11-30 00:02 Chris Post
  14. 2025-11-30 16:57 Frank Reed

04 Dec 2025 – 04 Dec 2025 : Lewis and Clark at Three Forks of the Missouri

  1. 2025-12-04 16:37 Dale Lichtblau

05 Dec 2025 – 05 Dec 2025 : Accuracy of Lunar Derived Time

  1. 2025-12-05 05:42 Bob Bossert
  2. 2025-12-05 15:28 Frank Reed
  3. 2025-12-05 15:44 Frank Reed
  4. 2025-12-05 18:40 Bob Bossert

03 Dec 2025 – 06 Dec 2025 : Lunar distance accuracy with StarPilot

  1. 2025-12-03 06:33 Paul Hirose
  2. 2025-12-03 09:14 Frank Reed
  3. 2025-12-03 18:42 Dan Allen
  4. 2025-12-04 09:22 Huub Robroek
  5. 2025-12-04 15:07 Antoine Couëtte
  6. 2025-12-06 03:47 Frank Reed

06 Dec 2025 – 07 Dec 2025 : Symmedian point: spring-based analog computer

  1. 2025-12-06 17:41 Bill Lionheart
  2. 2025-12-06 21:07 Gary LaPook
  3. 2025-12-07 20:56 Bill Lionheart
  4. 2025-12-07 22:08 David Pike

06 Dec 2025 – 08 Dec 2025 : SNO-T lunar accuracy and arc calibration

  1. 2025-12-06 16:24 Modris Fersters
  2. 2025-12-06 19:06 Alexandre Eremenko
  3. 2025-12-07 20:43 Modris Fersters
  4. 2025-12-08 14:25 Alexandre Eremenko

04 Dec 2025 – 08 Dec 2025 : Thin triangle: where is your fix?

  1. 2025-12-04 17:30 Frank Reed
  2. 2025-12-04 18:29 Lars Bergman
  3. 2025-12-04 20:49 Antoine Couëtte
  4. 2025-12-04 22:43 David Pike
  5. 2025-12-05 16:33 Frank Reed
  6. 2025-12-05 16:59 Frank Reed
  7. 2025-12-05 17:24 Frank Reed
  8. 2025-12-05 17:33 David Pike
  9. 2025-12-05 17:39 Frank Reed
  10. 2025-12-05 18:37 Antoine Couëtte
  11. 2025-12-05 21:15 Bob Bossert
  12. 2025-12-06 05:36 Frank Reed
  13. 2025-12-06 06:21 Frank Reed
  14. 2025-12-07 07:40 Antoine Couëtte
  15. 2025-12-07 14:45 Robin Stuart
  16. 2025-12-07 20:43 Bob Bossert
  17. 2025-12-07 21:47 David Pike
  18. 2025-12-08 13:55 Robin Stuart
  19. 2025-12-08 14:27 Robin Stuart

04 Dec 2025 – 08 Dec 2025 : Lunars work from logbook c.1830

  1. 2025-12-04 21:19 Frank Reed
  2. 2025-12-05 21:41 Antoine Couëtte
  3. 2025-12-07 19:39 Antoine Couëtte
  4. 2025-12-08 18:19 Modris Fersters