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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Position-Finding

Recent Messages, dates UT (3740 new since last visit):
Re: X-ray sextantRobert Eno11 Feb, 07:2615168g41383
Re: Deriving the Bygrave equationsGary LaPook11 Feb, 06:322603g41382
Re: X-ray sextantFrank Reed10 Feb, 21:054412g41381
X-ray sextantJackson McDonald10 Feb, 20:393426g41380
Re: NavList Twitter feedFrank Reed10 Feb, 20:284876g41379
Re: Read the vernier, get the noon latitudeBrad Morris10 Feb, 18:247946g41378
Re: Puzzled by Douglas Protractor InstructionsMartin Gardner10 Feb, 15:142195g41377
Re: Deriving the Bygrave equationsGeoffrey Kolbe10 Feb, 14:362141g41376
Re: Read the vernier, get the noon latitudeWilliam A10 Feb, 07:353497g41375
Re: Antique SextantFrank Reed9 Feb, 20:112970g41374
Re: Antique SextantJackson McDonald9 Feb, 20:047831g41373
Re: Deriving the Bygrave equationsPaul Hirose9 Feb, 18:343347g41372
Re: Antique SextantAlan S9 Feb, 18:021371g41371
Re: Antique SextantGreg Rudzinski9 Feb, 13:042799g41370
Re: Kollsman periscopic sextant mountDavid Pike9 Feb, 09:298841g41369
Re: Kollsman periscopic sextant mountGary LaPook9 Feb, 07:565175g41368
Re: Antique SextantFrank Reed9 Feb, 05:572144g41367
Re: Antique SextantAlan S9 Feb, 05:041663g41366
Re: Kollsman periscopic sextant mountRussell Crum9 Feb, 02:482073g41365
Antique SextantGreg Rudzinski8 Feb, 23:151631g41364
Re: Read the vernier, get the noon latitudeGary LaPook8 Feb, 18:576063g41363
Re: Read the vernier, get the noon latitudeWilliam A8 Feb, 18:191774g41362
Re: Vacation-time LunarsEd Popko7 Feb, 22:465975g41361
Horizon noise near ClevelandFrank Reed7 Feb, 21:569637g41360
Re: Vacation-time LunarsFrank Reed7 Feb, 20:557696g41359
Re: Cotter's "History of Nautical Astronomy" on ebayTony Oz7 Feb, 18:052001g41358
Re: Cotter's "History of Nautical Astronomy" on ebayFrank Reed7 Feb, 17:311732g41357
Re: Cotter's "History of Nautical Astronomy" on ebayTony Oz7 Feb, 15:042674g41356
Re: Mickey Mouse's dog is backTony Oz7 Feb, 10:281809g41355
Re: Latitude by law of cosinesAndrés Ruiz7 Feb, 09:294747g41354
Re: Read the vernier, get the noon latitudeSean C7 Feb, 03:361732g41353
Re: Oblateness calculation given observer's latitudeFrank Reed7 Feb, 03:283952g41352
Re: What is your GP?Greg Rudzinski7 Feb, 01:281521g41351
Re: What is your GP?Don Seltzer7 Feb, 01:025998g41350
Re: What is your GP?Bob Goethe6 Feb, 23:461312g41349
Re: Read the vernier, get the noon latitudeFrank Reed6 Feb, 23:263823g41348
Deriving the Bygrave equationsBob Goethe6 Feb, 23:234665g41347
What is your GP?Frank Reed6 Feb, 23:082822g41346
Re: Read the vernier, get the noon latitudeDavid Pike6 Feb, 22:013758g41345
Re: Latitude by law of cosinesGary LaPook6 Feb, 21:071328g41344
Re: Read the vernier, get the noon latitudeGary LaPook6 Feb, 21:0416513g41343
Re: Latitude by law of cosinesFrank Reed6 Feb, 20:595743g41342
Re: Read the vernier, get the noon latitudeBob Goethe6 Feb, 20:231390g41341
Re: Read the vernier, get the noon latitudeGreg Rudzinski6 Feb, 20:183517g41340
Re: Read the vernier, get the noon latitudeGary LaPook6 Feb, 20:1614991g41339
Re: Read the vernier, get the noon latitudeGreg Rudzinski6 Feb, 20:061602g41338
Read the vernier, get the noon latitudeFrank Reed6 Feb, 19:462424g41337
Re: Oblateness calculation given observer's latitudePeter Monta5 Feb, 17:036936g41336
Re: Delta T long term formulaAntoine Couëtte5 Feb, 13:461746g41335
Re: Delta T long term formulaGeoffrey Kolbe4 Feb, 17:311511g41334
Re: Mickey Mouse's dog is backPaul Werner3 Feb, 18:1323707g41333
Delta T long term formulaPaul Hirose3 Feb, 17:384527g41332
Vacation-time Lunars (cont.)Ed Popko3 Feb, 12:2967825g41331
Vacation-time LunarsEd Popko2 Feb, 21:3265577g41330
Re: Oblateness calculation given observer's latitudeFrank Reed1 Feb, 06:209285g41329
Re: Oblateness calculation given observer's latitudeFrank Reed1 Feb, 05:4311616g41328
Re: Lunars-liteRoger W. Sinnott31 Jan, 15:0512439g41327
Satellite-derived Time and Position: A Study of Critical DependenciesDavid Pike31 Jan, 08:283674g41326
NavList Twitter feedFrank Reed31 Jan, 01:284676g41325
Re: Lunars-litePeter Monta31 Jan, 00:237422g41324
Re: Oblateness calculation given observer's latitudePeter Monta31 Jan, 00:015942g41323
Re: Mickey Mouse's dog is backNoell Wilson30 Jan, 23:211731g41322
Re: Oblateness calculation given observer's latitudeFrank Reed30 Jan, 21:523305g41321
Re: Oblateness calculation given observer's latitudePaul Hughes30 Jan, 11:181764g41320
Planned GNSS denial in the USDavid Pike30 Jan, 12:132584g41319
Re: Mickey Mouse's dog is backGary LaPook30 Jan, 07:071265g41318
Re: Mickey Mouse's dog is backSean C30 Jan, 04:202801g41317
Re: Lunars-liteRoger W. Sinnott30 Jan, 02:3415182g41316
Mickey Mouse's dog is backGary LaPook30 Jan, 01:351548g41315
Re: Oblateness calculation given observer's latitudePeter Monta30 Jan, 00:083310g41314
Re: Lunars-litePeter Monta29 Jan, 23:594427g41313
Re: Lunars-litePeter Monta29 Jan, 23:324467g41312
Re: Oblateness calculation given observer's latitudeEd Popko29 Jan, 20:482083g41311
Re: Oblateness calculation given observer's latitudeFrank Reed29 Jan, 20:124552g41310
Oblateness calculation given observer's latitudeEd Popko29 Jan, 19:232171g41309
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