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

February, 2016

Index includes 299 messages. Sorted by message ID, in descending order.

                    
Re: Scale a small area plotting sheet?Bill B29 Feb 2016, 21:16
Re: Weems talk Thursday at Mystic SeaportBruce J. Pennino29 Feb 2016, 19:03
Weems talk Thursday at Mystic SeaportFrank Reed29 Feb 2016, 16:49
Re: Scale a small area plotting sheet?Sean C29 Feb 2016, 14:52
Re: Henning Umland's long term almanac. Is it wrong?Andrew Nikitin29 Feb 2016, 13:45
Re: Henning Umland's long term almanac. Is it wrong?Bill Lionheart29 Feb 2016, 07:56
Re: Scale a small area plotting sheet?Gary LaPook29 Feb 2016, 08:19
Re: Henning Umland's long term almanac. Is it wrong?Frank Reed29 Feb 2016, 05:04
Re: Scale a small area plotting sheet?Sean C29 Feb 2016, 00:07
Plotting Mercator or Passage Making?David Pike28 Feb 2016, 21:20
Re: Scale a small area plotting sheet?Steve E. Bryant28 Feb 2016, 15:42
Re: Scale a small area plotting sheet?Greg Rudzinski28 Feb 2016, 14:08
Re: Scale a small area plotting sheet?Brad Morris28 Feb 2016, 09:01
Re: Scale a small area plotting sheet?Sean C28 Feb 2016, 06:16
Re: Scale a small area plotting sheet?Sean C28 Feb 2016, 06:10
Re: Scale a small area plotting sheet?Sean C28 Feb 2016, 06:02
Re: Celestial data for the scorpion's stingerFrank Reed28 Feb 2016, 05:08
Scale a small area plotting sheet?Steve E. Bryant28 Feb 2016, 03:24
Re: Celestial data for the scorpion's stingerDave Walden28 Feb 2016, 04:32
Celestial data for the scorpion's stingerFrank Reed28 Feb 2016, 02:07
Re: Celestial data for the planet UranusBrad Morris28 Feb 2016, 01:21
Re: Celestial data for the planet UranusSean C28 Feb 2016, 00:52
Re: Celestial data for the planet UranusPeter Hakel27 Feb 2016, 23:32
Celestial data for the planet UranusFrank Reed27 Feb 2016, 21:46
Sun sights at the Gulf of MexicoGeoffrey Kolbe26 Feb 2016, 22:35
Re: Henning Umland's long term almanac. Is it wrong?Frank Reed26 Feb 2016, 21:37
Re: Henning Umland's long term almanac. Is it wrong?Paul Hirose26 Feb 2016, 21:19
Celestial fix mathematical methodsDjamel Ait Amrane26 Feb 2016, 15:45
Re: Henning Umland's long term almanac. Is it wrong?Paul Hirose26 Feb 2016, 05:14
Re: Maritime Casualty News: GPS noticeAlan S26 Feb 2016, 04:54
Re: Maritime Casualty News: GPS noticeFrank Reed25 Feb 2016, 21:22
Re: Sun sights at the Gulf of MexicoBob Goethe25 Feb 2016, 20:26
Maritime Casualty News: GPS noticeJackson McDonald25 Feb 2016, 20:18
Re: Henning Umland's programs?Bill Lionheart25 Feb 2016, 14:57
Re: "Dalton Dead Reckoning Computor" Type E-6BTom Sult25 Feb 2016, 14:06
Re: Sun sights at the Gulf of MexicoStan K25 Feb 2016, 15:01
Re: Celestial data for the planet MercurySean C25 Feb 2016, 10:13
Re: Celestial data for the planet MercuryPaul Hirose25 Feb 2016, 07:36
Re: Sun sights at the Gulf of MexicoBill Lionheart25 Feb 2016, 08:28
Re: Traditional navigation by slide ruleBrad Morris25 Feb 2016, 07:57
Re: Traditional navigation by slide ruleFrancis Upchurch25 Feb 2016, 05:44
Re: "Dalton Dead Reckoning Computor" Type E-6BMike Burkes25 Feb 2016, 02:23
Re: Traditional navigation by slide ruleHewitt Schlereth24 Feb 2016, 22:02
Re: Henning Umland's long term almanac. Is it wrong?Frank Reed24 Feb 2016, 18:35
Re: Henning Umland's long term almanac. Is it wrong?Andrew Nikitin24 Feb 2016, 16:21
Re: Celestial data for the planet MercuryHerbert Prinz24 Feb 2016, 15:40
Re: Sun sights at the Gulf of MexicoFred Hebard24 Feb 2016, 14:45
Re: Celestial data for the planet MercuryDave Walden24 Feb 2016, 13:49
Re: Sun sights at the Gulf of MexicoGreg Rudzinski24 Feb 2016, 13:36
Re: Sun sights at the Gulf of MexicoBill Lionheart24 Feb 2016, 11:37
Re: Traditional navigation by slide ruleFrancis Upchurch24 Feb 2016, 12:10
Stages de Navigation Astronomique 2016Andr├ęs Ruiz24 Feb 2016, 09:17
Re: Celestial data for the planet MercuryHerbert Prinz24 Feb 2016, 07:08
Re: Celestial data for the planet MercuryDave Walden24 Feb 2016, 06:34
Re: Celestial data for the planet MercuryDave Walden24 Feb 2016, 06:23
Re: Celestial data for the planet MercuryPaul Hirose24 Feb 2016, 05:27
Re: Sun sights at the Gulf of MexicoGary LaPook24 Feb 2016, 05:28
B-52 electromechanical computer videoPeter Monta24 Feb 2016, 03:16
Re: Henning Umland's long term almanac. Is it wrong?Peter Hakel24 Feb 2016, 00:14
Re: Henning Umland's long term almanac. Is it wrong?Fred Hebard24 Feb 2016, 00:02
Re: What is this on this sextantGary LaPook23 Feb 2016, 22:58
Re: What is this on this sextantGary LaPook23 Feb 2016, 22:56
Re: What is this on this sextantGary LaPook23 Feb 2016, 22:42
Sun sights at the Gulf of MexicoStan K23 Feb 2016, 21:46
Re: Henning Umland's long term almanac. Is it wrong?Gary LaPook23 Feb 2016, 20:46
Re: Henning Umland's long term almanac. Is it wrong?Bill Lionheart23 Feb 2016, 19:57
Re: Henning Umland's long term almanac. Is it wrong?Fred Hebard23 Feb 2016, 19:24
Re: "Dalton Dead Reckoning Computor" Type E-6BTom Sult23 Feb 2016, 18:38
Re: Henning Umland's long term almanac. Is it wrong?Frank Reed23 Feb 2016, 18:22
Re: Henning Umland's long term almanac. Is it wrong?Fred Hebard23 Feb 2016, 17:44
Re: "Dalton Dead Reckoning Computor" Type E-6BBob Goethe23 Feb 2016, 17:48
Henning Umland's long term almanac. Is it wrong?Bill Lionheart23 Feb 2016, 17:10
Hemming Umland's on-line almanacBill Lionheart23 Feb 2016, 15:39
Re: U.S. Naval Academy Reinstates CelestialRichard B. Langley23 Feb 2016, 13:27
Re: What is this on this sextantJohn Lance23 Feb 2016, 07:20
Re: Sun altitude limits for natural horizon?Ron Jones23 Feb 2016, 05:31
Re: What is this on this sextantDavid Pike23 Feb 2016, 00:59
Re: Traditional navigation by slide ruleAlan S22 Feb 2016, 23:45
Re: Sun altitude limits for natural horizon?Bob Goethe22 Feb 2016, 23:43
Re: What is this on this sextantJohn Lance22 Feb 2016, 22:31
Re: Celestial data for the planet MercuryDale Bletso22 Feb 2016, 22:09
Re: Best way to record time for solo sightsDale Bletso22 Feb 2016, 21:56
Gago Coutinho style bubble horizonJohn Lance22 Feb 2016, 18:29
Re: Sun altitude limits for natural horizon?Ron Jones22 Feb 2016, 17:46
Re: Traditional navigation by slide ruleHewitt Schlereth22 Feb 2016, 18:22
Re: Celestial data for the planet MercuryPeter Hakel22 Feb 2016, 15:19
Re: Celestial data for the planet MercuryDave Walden22 Feb 2016, 13:28
Re: Traditional navigation by slide ruleBrad Morris22 Feb 2016, 07:33
Re: Traditional navigation by slide ruleFrancis Upchurch22 Feb 2016, 06:34
Re: Sun altitude limits for natural horizon?Stan K22 Feb 2016, 01:16
Celestial data for the planet MercuryFrank Reed21 Feb 2016, 23:23
Re: Instrument repairDonald C Macdonald Jr21 Feb 2016, 22:55
Re: "Dalton Dead Reckoning Computor" Type E-6BFrancis Upchurch21 Feb 2016, 18:29
Re: Best way to record time for solo sightsHerman Dekker21 Feb 2016, 12:45
Re: What is this on this sextantGary LaPook21 Feb 2016, 06:22
Re: Sun altitude limits for natural horizon?Frank Reed21 Feb 2016, 01:49
Re: Sun altitude limits for natural horizon?Ron Jones21 Feb 2016, 00:12
Re: Sun altitude limits for natural horizon?Hewitt Schlereth21 Feb 2016, 00:09
Re: Sun altitude limits for natural horizon?Ron Jones20 Feb 2016, 23:43
Re: Sun altitude limits for natural horizon?Frank Reed20 Feb 2016, 23:38
Re: Sun altitude limits for natural horizon?Ron Jones20 Feb 2016, 22:45
Re: Sun altitude limits for natural horizon?Doug MacPherson20 Feb 2016, 22:31
Sun altitude limits for natural horizon?Ron Jones20 Feb 2016, 22:15
Re: What is this on this sextantDavid Pike20 Feb 2016, 20:45
Re: "Dalton Dead Reckoning Computor" Type E-6BTom Sult20 Feb 2016, 18:26
Re: What is this on this sextantLuc Van den Borre20 Feb 2016, 17:45
Re: "Dalton Dead Reckoning Computor" Type E-6BMike Burkes20 Feb 2016, 15:58
Re: "Dalton Dead Reckoning Computor" Type E-6BMike Burkes20 Feb 2016, 15:06
What is this on this sextantBill Lionheart20 Feb 2016, 12:01
Re: Galactic GPS - How dead stars will guide us in deep spacePeter Monta20 Feb 2016, 10:24
Re: "Dalton Dead Reckoning Computor" Type E-6BDavid Pike19 Feb 2016, 22:34
Re: "Dalton Dead Reckoning Computor" Type E-6BEd Popko19 Feb 2016, 20:30
Re: "Dalton Dead Reckoning Computor" Type E-6BTom Sult19 Feb 2016, 14:38
Re: "Dalton Dead Reckoning Computor" Type E-6BRonald van Riet19 Feb 2016, 09:40
Galactic GPS - How dead stars will guide us in deep spaceGeoffrey Kolbe19 Feb 2016, 07:43
Re: Air Navigation, Local Hour Angle Type X-1computerThomas Spidle19 Feb 2016, 07:33
Re: "Dalton Dead Reckoning Computor" Type E-6BBob Goethe19 Feb 2016, 06:40
Re: "Dalton Dead Reckoning Computor" Type E-6BTom Sult19 Feb 2016, 03:38
Re: "Dalton Dead Reckoning Computor" Type E-6BGary LaPook19 Feb 2016, 04:04
Re: "Dalton Dead Reckoning Computor" Type E-6BBrad Morris19 Feb 2016, 01:35
Re: Air Navigation, Local Hour Angle Type X-1 computerEd Popko18 Feb 2016, 23:32
"Dalton Dead Reckoning Computor" Type E-6BBob Goethe18 Feb 2016, 23:37
Re: Modern CN Ditch KitGreg Rudzinski18 Feb 2016, 22:35
Re: Modern CN Ditch KitHerman Dekker18 Feb 2016, 21:35
Re: Air Navigation, Local Hour Angle Type X-1 computerDavid Pike18 Feb 2016, 20:23
Re: Air Navigation, Local Hour Angle Type X-1 computerEd Popko18 Feb 2016, 14:53
Re: Nautical Almanac sight reduction by calculationGreg Rudzinski18 Feb 2016, 14:58
Re: Air Navigation, Local Hour Angle Type X-1 computerDavid Pike18 Feb 2016, 09:24
Question about Solar Prominences and LunarsBrad Morris18 Feb 2016, 09:08
Re: Air Navigation, Local Hour Angle Type X-1 computerDavid Pike17 Feb 2016, 22:49
Calculated Altitude GraphSean C17 Feb 2016, 20:32
Re: Best way to record time for solo sightsRandall Morrow17 Feb 2016, 20:26
MHHWLu Abel17 Feb 2016, 20:20
Air Navigation, Local Hour Angle Type X-1 computerEd Popko17 Feb 2016, 17:15
Re: Best way to record time for solo sightsDave Walden17 Feb 2016, 16:08
Re: Best way to record time for solo sightsJohn Brown17 Feb 2016, 09:57
Re: Messing with the scale of a plotting sheetSteve E. Bryant17 Feb 2016, 07:00
Re: Best way to record time for solo sightsHenry Halboth17 Feb 2016, 03:52
Re: Tragedy strikes TWA aircraft navigatorSam Lyness17 Feb 2016, 02:26
Re: Tragedy strikes TWA aircraft navigatorFrank Reed16 Feb 2016, 23:28
Tragedy strikes TWA aircraft navigatorJackson McDonald16 Feb 2016, 20:53
Rare Working WWII U.S. Aircraft Sextants For SaleRobert Swartz16 Feb 2016, 20:37
Re: Messing with the scale of a plotting sheetDavid Fleming16 Feb 2016, 19:37
Re: Best way to record time for solo sightsNorm Goldblatt16 Feb 2016, 20:35
Re: Nautical Almanac sight reduction by calculationGreg Rudzinski15 Feb 2016, 20:58
Re: Nautical Almanac sight reduction by calculationGreg Rudzinski15 Feb 2016, 20:44
Re: Nautical Almanac sight reduction by calculationPeter Hakel15 Feb 2016, 18:48
Re: Nautical Almanac sight reduction by calculationRon Jones15 Feb 2016, 17:31
Re: The Science of Time (and LNF)Paul Saffo15 Feb 2016, 11:24
Re: Celestial training planetarium 1950David Pike15 Feb 2016, 10:32
Re: Nautical Almanac sight reduction by calculationRon Jones15 Feb 2016, 05:54
Re: Nautical Almanac sight reduction by calculationJim Rives15 Feb 2016, 04:31
Re: Celestial training planetarium 1950Thomas Spidle15 Feb 2016, 03:41
Messing with the scale of a plotting sheetSteve E. Bryant15 Feb 2016, 04:30
Re: Celestial training planetarium 1950Brad Morris15 Feb 2016, 03:54
Re: Celestial training planetarium 1950Peter Monta15 Feb 2016, 01:51
Celestial training planetarium 1950Frank Reed15 Feb 2016, 00:56
Re: Polhemus computer available now on ebayAlan S15 Feb 2016, 00:31
Celestial Tools NASRmethod/LOP functionSteve E. Bryant14 Feb 2016, 23:05
Re: Best way to record time for solo sightsDavid Pike14 Feb 2016, 22:32
Re: Polhemus computer available now on ebayDavid Pike14 Feb 2016, 20:47
Re: Nautical Almanac sight reduction by calculationGreg Rudzinski14 Feb 2016, 20:17
Polhemus computer available now on ebayGary LaPook14 Feb 2016, 20:01
Re: Best way to record time for solo sightsMichael Bradley14 Feb 2016, 18:56
Re: Best way to record time for solo sightsBill Lionheart14 Feb 2016, 18:54
Re: Best way to record time for solo sightsFrancis Upchurch14 Feb 2016, 18:44
Nautical Almanac sight reduction by calculationJim Rives14 Feb 2016, 18:27
Re: The Science of TimeHewitt Schlereth14 Feb 2016, 15:47
Re: The Science of TimeSean C14 Feb 2016, 06:06
Re: Best way to record time for solo sightsGary LaPook14 Feb 2016, 06:36
Re: The Science of TimeTom Sult14 Feb 2016, 01:04
Re: The Science of TimeTom Sult14 Feb 2016, 01:00
Re: The Science of TimeFrank Reed14 Feb 2016, 00:26
The Science of TimeEd Popko13 Feb 2016, 23:42
Air Cdre John MitchellDavid Pike13 Feb 2016, 22:46
Re: Best way to record time for solo sightsFrank Reed13 Feb 2016, 22:15
Re: Best way to record time for solo sightsBill Lionheart13 Feb 2016, 21:50
Re: Best way to record time for solo sightsGary LaPook13 Feb 2016, 20:53
Re: USCG approves use of electronic chartsJackson McDonald12 Feb 2016, 20:03
Re: USCG approves use of electronic chartsJohn Brown12 Feb 2016, 18:54
Re: Best way to record time for solo sightsMike Burkes12 Feb 2016, 17:33
Re: Best way to record time for solo sightsAndrew Nikitin12 Feb 2016, 14:06
Re: Best way to record time for solo sightsBill Lionheart12 Feb 2016, 12:23
Re: Best way to record time for solo sightsMichael Bradley12 Feb 2016, 09:29
Re: Best way to record time for solo sightsBill Lionheart12 Feb 2016, 07:40
Re: Best way to record time for solo sightsFrank Reed12 Feb 2016, 05:09
Re: Best way to record time for solo sightsStan K12 Feb 2016, 03:03
Re: USCG approves use of electronic chartsPaul Hirose12 Feb 2016, 00:53
Re: USCG approves use of electronic chartsBill Lionheart11 Feb 2016, 23:56
Re: USCG approves use of electronic chartsFrank Reed11 Feb 2016, 23:16
Re: USCG approves use of electronic chartsFrank Reed11 Feb 2016, 23:10
Re: Best way to record time for solo sightsLu Abel11 Feb 2016, 22:58
Re: USCG approves use of electronic chartsLu Abel11 Feb 2016, 22:55
Re: USCG approves use of electronic chartsLu Abel11 Feb 2016, 22:31
Re: Best way to record time for solo sightsWolfgang Hasper11 Feb 2016, 21:07
Best way to record time for solo sightsBill Lionheart11 Feb 2016, 20:26
Re: USCG approves use of electronic chartsJorge Santos11 Feb 2016, 20:20
Re: USCG approves use of electronic chartsManuel Cruz11 Feb 2016, 20:18
Re: USCG approves use of electronic chartsLu Abel10 Feb 2016, 21:40
Soviet era dip meterBill Morris10 Feb 2016, 21:22
Europe's eLoran scheme faltersJackson McDonald10 Feb 2016, 21:17
USCG approves use of electronic chartsJackson McDonald10 Feb 2016, 20:58
Re: Sun Slow DayRon Jones10 Feb 2016, 18:57
Sun Slow DayFrank Reed10 Feb 2016, 06:57
Re: CN on MarsGreg Rudzinski10 Feb 2016, 04:20
Re: Dip from ShoreGary LaPook10 Feb 2016, 01:16
Re: CN on MarsBrad Morris9 Feb 2016, 21:09
Re: Dip from ShoreFrank Reed9 Feb 2016, 20:14
Re: Dip from ShoreBob Goethe9 Feb 2016, 20:12
Re: CN on MarsFrank Reed9 Feb 2016, 19:58
Re: CN on MarsFrank Reed9 Feb 2016, 19:18
Re: Dip from ShoreJim Rives9 Feb 2016, 18:44
Re: Was this optical instrument designed forcelestialnavigation?John Morris9 Feb 2016, 17:55
Re: CN on MarsDave Walden9 Feb 2016, 14:39
Re: CN on MarsGreg Rudzinski9 Feb 2016, 03:34
Re: Dip from ShoreBill Lionheart7 Feb 2016, 22:08
Re: Dip from ShoreFrank Reed7 Feb 2016, 21:24
Dip from ShoreJim Rives7 Feb 2016, 20:45
Re: Time of Sun & Moon rise and setSteve E. Bryant7 Feb 2016, 04:31
Re: CN on MarsPaul Dolkas7 Feb 2016, 01:51
Re: Time of Sun & Moon rise and setStan K7 Feb 2016, 01:40
Re: Time of Sun & Moon rise and setStan K7 Feb 2016, 01:37
Re: Time of Sun & Moon rise and setStan K7 Feb 2016, 01:29
Re: Time of Sun & Moon rise and setFrank Reed7 Feb 2016, 01:21
Re: Time of Sun & Moon rise and setFrank Reed7 Feb 2016, 01:04
Re: Time of Sun & Moon rise and setRon Jones7 Feb 2016, 00:55
Re: CN on MarsStan K7 Feb 2016, 00:07
Re: CN on MarsHerbert Prinz6 Feb 2016, 23:46
Re: CN on MarsHerbert Prinz6 Feb 2016, 23:39
Re: CN on MarsFrank Reed6 Feb 2016, 23:29
Re: Time of Sun & Moon rise and setBrad Morris6 Feb 2016, 23:14
Re: CN on MarsStan K6 Feb 2016, 23:00
Re: Time of Sun & Moon rise and setStan K6 Feb 2016, 21:38
Re: CN on MarsBrad Morris6 Feb 2016, 20:56
Re: Time of Sun & Moon rise and setBrad Morris6 Feb 2016, 20:44
Re: CN on MarsDon Seltzer6 Feb 2016, 19:42
Re: CN on MarsFrank Reed6 Feb 2016, 18:53
Re: CN on MarsDavid Fleming6 Feb 2016, 17:23
Re: CN on MarsRobert VanderPol II6 Feb 2016, 17:05
Re: Time of Sun & Moon rise and setRon Jones6 Feb 2016, 16:57
Re: CN on MarsHerbert Prinz6 Feb 2016, 16:31
Re: Was this optical instrument designed forcelestialnavigation?Wolfgang Hasper6 Feb 2016, 10:19
CN on MarsGreg Rudzinski6 Feb 2016, 14:27
Re: Time of Sun & Moon rise and setGary LaPook6 Feb 2016, 09:47
Re: Time of Sun & Moon rise and setGary LaPook6 Feb 2016, 07:12
Re: Time of Sun & Moon rise and setBrad Morris6 Feb 2016, 06:56
Re: Time of Sun & Moon rise and setGeoffrey Kolbe6 Feb 2016, 06:32
Re: Time of Sun & Moon rise and setFrank Reed6 Feb 2016, 05:01
Re: Time of Sun & Moon rise and setBrad Morris5 Feb 2016, 23:34
Re: Time of Sun & Moon rise and setHerbert Prinz5 Feb 2016, 16:00
Re: Kollsman periscopic sextant mount CorrectionFergus Kavanagh5 Feb 2016, 00:28
Re: Time of Sun & Moon rise and setBrad Morris4 Feb 2016, 22:31
Re: Kollsman periscopic sextant mount CorrectionDavid Pike4 Feb 2016, 21:03
Re: Kollsman periscopic sextant mount CorrectionFergus Kavanagh4 Feb 2016, 21:07
Re: Time of Sun & Moon rise and setGary LaPook4 Feb 2016, 19:24
Re: Kollsman periscopic sextant mount CorrectionFergus Kavanagh4 Feb 2016, 18:49
Re: Kollsman periscopic sextant mount CorrectionGary LaPook4 Feb 2016, 19:21
Re: Time of Sun & Moon rise and setGreg Rudzinski4 Feb 2016, 19:20
Time of Sun & Moon rise and setSteve E. Bryant4 Feb 2016, 16:38
Re: Kollsman periscopic sextant mount CorrectionDavid Pike4 Feb 2016, 16:09
Re: Was this optical instrument designed forcelestial navigation?John Morris4 Feb 2016, 15:50
Re: Was this optical instrument designed forcelestial navigation?John Morris4 Feb 2016, 15:44
Re: Was this optical instrument designed forcelestial navigation?Wolfgang Hasper4 Feb 2016, 14:35
Re: Was this optical instrument designed for celestial navigation?Hewitt Schlereth4 Feb 2016, 14:40
Re: Kollsman periscopic sextant mount CorrectionFergus Kavanagh4 Feb 2016, 12:17
Re: A "three dimensional slide-rule" for celestialJohn Morris4 Feb 2016, 07:30
Re: Was this optical instrument designed for celestial navigation?John Morris4 Feb 2016, 07:20
Re: Was this optical instrument designed for celestial navigation?Hewitt Schlereth4 Feb 2016, 06:47
Re: Was this optical instrument designed for celestial navigation?Brad Morris4 Feb 2016, 05:41
Re: Was this optical instrument designed for celestial navigation?Bill Morris4 Feb 2016, 04:18
Re: Was this optical instrument designed for celestial navigation?John Morris4 Feb 2016, 01:24
Re: Was this optical instrument designed for celestial navigation?Frank Reed3 Feb 2016, 22:40
Re: Was this optical instrument designed for celestial navigation?David Pike3 Feb 2016, 20:06
Re: Was this optical instrument designed for celestial navigation?Hewitt Schlereth3 Feb 2016, 21:42
Re: Was this optical instrument designed for celestial navigation?John Morris3 Feb 2016, 17:22
Re: A "three dimensional slide-rule" for celestialGeoffrey Kolbe3 Feb 2016, 15:08
Re: Was this optical instrument designed for celestial navigation?David Pike3 Feb 2016, 09:09
Re: A "three dimensional slide-rule" for celestialHerbert Prinz3 Feb 2016, 06:14
Re: A "three dimensional slide-rule" for celestialFrancis Upchurch3 Feb 2016, 06:12
Re: Was this optical instrument designed for celestial navigation?Brad Morris3 Feb 2016, 05:31
Re: Was this optical instrument designed for celestial navigation?John Morris3 Feb 2016, 03:24
Re: Was this optical instrument designed for celestial navigation?Brad Morris2 Feb 2016, 23:57
Re: A "three dimensional slide-rule" for celestialBrad Morris2 Feb 2016, 23:45
Wave PilotingNorm Goldblatt2 Feb 2016, 23:16
Re: Was this optical instrument designed for celestial navigation?John Morris2 Feb 2016, 23:01
Was this optical instrument designed for celestial navigation?John Morris2 Feb 2016, 18:56
A "three dimensional slide-rule" for celestialEd Popko2 Feb 2016, 13:59
Re: Star identification puzzleSean C2 Feb 2016, 04:28
Re: Navigational instrument appraisersN Drummond1 Feb 2016, 20:43
Re: Astronomy & math in ancient BabylonBrad Morris1 Feb 2016, 18:16
Re: Star identification puzzleDave Walden1 Feb 2016, 14:04
Re: Navigation using satellite doppler shiftRichard B. Langley1 Feb 2016, 13:19
Re: Star identification puzzleRobert H. van Gent1 Feb 2016, 09:35
Re: Navigation using satellite doppler shiftBill Lionheart1 Feb 2016, 07:12
Re: Astronomy & math in ancient BabylonNoell Wilson1 Feb 2016, 04:26
Re: Astronomy & math in ancient BabylonAlexandre Eremenko1 Feb 2016, 01:45
Re: Astronomy & math in ancient BabylonAlexandre Eremenko1 Feb 2016, 01:39
Re: Threats to GPS and introduction of eLORANLu Abel1 Feb 2016, 01:09
Re: Astronomy & math in ancient BabylonBrad Morris1 Feb 2016, 00:21

Index includes 299 messages.

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