| Re: A beautiful night sky | Bill Ritchie | 5 Sep, 17:10 |
| Re: BBC story on retro tools for astronauts | Joe Plazak | 5 Sep, 13:48 |
| Re: Equal Earth projection | Denis Vannier | 4 Sep, 20:03 |
| Re: BBC story on retro tools for astronauts | Don Seltzer | 4 Sep, 19:57 |
| Re: BBC story on retro tools for astronauts | David Pike | 4 Sep, 19:33 |
| Equal Earth projection | David Pike | 4 Sep, 19:08 |
| Re: BBC story on retro tools for astronauts | Frank Reed | 4 Sep, 19:02 |
| BBC story on retro tools for astronauts | Don Seltzer | 4 Sep, 18:58 |
| Re: Artificial horizon | Murray Peake | 4 Sep, 15:31 |
| Re: Artificial horizon | Joshua Carty | 4 Sep, 15:20 |
| Re: Astra Vela Pro - a free celestial navigation /DR calculator | Frank Reed | 4 Sep, 14:56 |
| Re: Astra Vela Pro - a free celestial navigation /DR calculator | Dave Walden | 4 Sep, 13:11 |
| Re: Artificial horizon | Chris Lamousin | 4 Sep, 11:17 |
| Re: Artificial horizon | Paul Hirose | 4 Sep, 04:48 |
| Re: Astra Vela Pro - a free celestial navigation /DR calculator | Paul Hirose | 3 Sep, 20:06 |
| Re: Astra Vela Pro - a free celestial navigation /DR calculator | François Goldite | 3 Sep, 13:06 |
| Re: Astra Vela Pro - a free celestial navigation /DR calculator | Frank Reed | 3 Sep, 04:52 |
| Re: Astra Vela Pro - a free celestial navigation /DR calculator | François Goldite | 2 Sep, 21:20 |
| Re: Astra Vela Pro - a free celestial navigation /DR calculator | Dave Walden | 2 Sep, 17:56 |
| Re: Astra Vela Pro - a free celestial navigation /DR calculator | François Goldite | 2 Sep, 16:23 |
| Re: Astra Vela Pro - a free celestial navigation /DR calculator | Dave Walden | 2 Sep, 15:34 |
| Satellites for an Ancient Epic | Frank Reed | 2 Sep, 11:53 |
| Re: Astra Vela Pro - a free celestial navigation /DR calculator | Dave Walden | 2 Sep, 11:49 |
| Re: Artificial horizon | Gary LaPook | 2 Sep, 06:49 |
| Re: A beautiful night sky | Jacquelin Hardy | 1 Sep, 15:41 |
| Re: Artificial horizon | Alexandre Eremenko | 1 Sep, 15:39 |
| Astra Vela Pro - a free celestial navigation /DR calculator | François Goldite | 1 Sep, 13:45 |
| Re: A beautiful night sky | Trammell H | 1 Sep, 13:13 |
| Artificial horizon | Chris Lamousin | 1 Sep, 10:44 |
| Re: A beautiful night sky | Trammell H | 1 Sep, 08:33 |
| Re: Waterworld navigation | David Pike | 31 Aug, 21:41 |
| Re: A beautiful night sky | David Pike | 31 Aug, 21:29 |
| Re: Waterworld navigation | Linda Mestas | 31 Aug, 19:33 |
| Re: A beautiful night sky | Linda Mestas | 31 Aug, 19:10 |
| Re: Waterworld navigation | David Pike | 31 Aug, 18:41 |
| Re: A beautiful night sky | David Pike | 31 Aug, 18:34 |
| Re: Waterworld navigation | Don Seltzer | 31 Aug, 16:42 |
| Waterworld navigation | Frank Reed | 31 Aug, 14:45 |
| Re: A beautiful night sky | Frank Reed | 31 Aug, 13:56 |
| Re: A beautiful night sky | Ross Henderson | 31 Aug, 13:41 |
| Re: A beautiful night sky | David Pike | 31 Aug, 13:32 |
| Re: A beautiful night sky | David Pike | 31 Aug, 13:22 |
| Re: A beautiful night sky | Ross Henderson | 31 Aug, 05:51 |
| Re: A beautiful night sky | Frank Reed | 31 Aug, 00:29 |
| Re: A beautiful night sky | David Pike | 30 Aug, 22:19 |
| Re: A beautiful night sky | Jacquelin Hardy | 30 Aug, 19:23 |
| A beautiful night sky | Trammell H | 30 Aug, 11:57 |
| Re: Saxby's Spherograph No.4 | Frank Reed | 29 Aug, 03:44 |
| Mark 2 Navigators Slide-rule | Patrick Early | 28 Aug, 23:17 |
| Re: Lunar eclipse observations? | Dave Walden | 28 Aug, 20:35 |
| Re: Lunar eclipse observations? | Frank Reed | 28 Aug, 16:10 |
| Lunar eclipse observations? | Joshua Carty | 28 Aug, 11:57 |
| Re: Eclipses and longitude | Jacquelin Hardy | 26 Aug, 16:46 |
| Re: Eclipses and longitude | Rafael C. Caruso | 26 Aug, 12:30 |
| Re: Eclipses and longitude | Jacquelin Hardy | 26 Aug, 00:04 |
| Re: Latitude by Orion ...in Spaaaace! | Linda Mestas | 25 Aug, 18:12 |
| Re: Eclipses and longitude | Joshua Carty | 25 Aug, 17:46 |
| Re: Eclipses and longitude | Jacquelin Hardy | 25 Aug, 00:08 |
| Re: Eclipses and longitude | Lyle Ruppert | 24 Aug, 22:47 |
| Re: Eclipses and longitude | Alexandre Eremenko | 24 Aug, 21:57 |
| Re: Eclipses and longitude | Frank Reed | 24 Aug, 21:51 |
| Re: Eclipses and longitude | Lyle Ruppert | 24 Aug, 21:35 |
| Re: Eclipses and longitude | Frank Reed | 24 Aug, 20:05 |
| Re: Eclipses and longitude | Frank Reed | 24 Aug, 13:54 |
| Saxby's Spherograph No.4 | Robin Stuart | 24 Aug, 13:25 |
| Re: Eclipses and longitude | Jacquelin Hardy | 24 Aug, 11:37 |
| Re: Eclipses and longitude | Ross Henderson | 24 Aug, 06:44 |
| Re: Eclipses and longitude | Ross Henderson | 24 Aug, 05:48 |
| Re: Air navigation 1950s-1980s | Howard G | 23 Aug, 22:55 |
| Re: Air navigation 1950s-1980s | Art Leung | 23 Aug, 19:15 |
| An A.I.-aided Navigation Spreadsheet | Dustin Baenen | 23 Aug, 15:55 |
| Re: Eclipses and longitude | Alexandre Eremenko | 23 Aug, 15:48 |
| Eclipses and longitude | Frank Reed | 23 Aug, 04:31 |
| Re: Air navigation 1950s-1980s | Joshua Carty | 23 Aug, 00:10 |
| Re: Air navigation 1950s-1980s | Joshua Carty | 22 Aug, 23:59 |
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