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

Recent Messages

Index includes 258 messages. Sorted by message ID, in descending order.

SubjectAuthorDate (UT)SizeID
Dung beetles navigate by starsEd Popko29 Aug, 17:581965g32592
Lunars using planets? stars on ecliptic?Mark Coady29 Aug, 15:002889g32591
Re: DIY Tables?Greg Rudzinski29 Aug, 16:376799g32590
Sun and Full Moon visible simultaneouslyDon Seltzer29 Aug, 13:493443g32589
Re: DIY Tables?Greg Rudzinski28 Aug, 20:285442g32588
Re: Side error and cylindersBill B28 Aug, 19:423695g32587
Re: Side error and cylindersRidge White28 Aug, 18:462144g32586
Re: Side error and cylindersGary LaPook28 Aug, 17:282207g32585
Solar Back Sight with Davis Mk. 15 SextantRichard B. Langley28 Aug, 16:353795g32584
Re: Side error and cylindersSean C28 Aug, 15:263920g32583
Re: DIY Tables?Herman Dekker28 Aug, 13:292279g32582
Re: Side error and cylindersMark Coady28 Aug, 12:374279g32581
Re: DIY Tables?Jaap vd Heide28 Aug, 09:133119g32580
Re: Real life accuracy...and thoughts on learningAlan S28 Aug, 02:391589g32579
Re: Real life accuracy...and thoughts on learningHenry Halboth28 Aug, 01:4220504g32578
Re: Real life accuracy...and thoughts on learningHewitt Schlereth27 Aug, 23:0118995g32577
Re: Real life accuracy...and thoughts on learningBill B27 Aug, 22:182460g32576
Re: DIY Tables?Peter Dijkstra27 Aug, 20:3211579g32575
Re: Real life accuracy...and thoughts on learningSean C27 Aug, 20:036376g32574
Re: DIY Tables?Greg Rudzinski27 Aug, 17:383507g32573
Re: DIY Tables?Gary LaPook27 Aug, 17:024146g32572
Re: DIY Tables?Wolfgang Hasper27 Aug, 14:285913g32571
Re: Real life accuracy...and thoughts on learningMark Coady27 Aug, 13:4015820g32570
Re: DIY Tables?Andrew Nikitin27 Aug, 12:112213g32569
Re: Finding your Position via Lunar EclipsesEd Popko27 Aug, 10:393272g32568
Re: Definition of the twilight intervalsRobert H. van Gent27 Aug, 08:393716g32567
Re: Finding your Position via Lunar EclipsesFrancis Upchurch27 Aug, 05:482277g32566
Re: How best to pronounce Eratosthenes?Robert VanderPol II27 Aug, 05:041580g32565
Re: Finding your Position via Lunar EclipsesEd Popko26 Aug, 23:432423g32564
Re: Real life accuracy...my experience, how does it compare...Carl Herzog26 Aug, 23:412646g32563
DIY Tables?Peter Dijkstra26 Aug, 21:435731g32562
Re: Definition of the twilight intervalsFrank Reed26 Aug, 21:262701g32561
Re: Finding your Position via Lunar EclipsesFrank Reed26 Aug, 20:3913527g32560
Re: Finding your Position via Lunar EclipsesBob Crawley26 Aug, 18:051561g32559
Re: How best to pronounce Eratosthenes?David Pike26 Aug, 18:221383g32558
Re: Finding your Position via Lunar EclipsesGeoffrey Kolbe26 Aug, 17:024126g32557
Re: Finding your Position via Lunar EclipsesBob Crawley26 Aug, 16:424330g32556
Re: How best to pronounce Eratosthenes?Francis Upchurch26 Aug, 17:371886g32555
Re: How best to pronounce Eratosthenes?Rommel John Miller26 Aug, 15:5910329g32554
Re: How best to pronounce Eratosthenes?Bob Goethe26 Aug, 14:164160g32553
Re: Definition of the twilight intervalsRobert H. van Gent26 Aug, 14:274572g32552
Re: How best to pronounce Eratosthenes?Robert Bernecky26 Aug, 13:581460g32551
Re: How best to pronounce Eratosthenes?Peter Monta26 Aug, 12:254676g32550
Re: How best to pronounce Eratosthenes?Greg Rudzinski26 Aug, 12:081896g32549
Re: How best to pronounce Eratosthenes?Stephen N.G. Davies26 Aug, 11:594181g32548
How best to pronounce Eratosthenes?David Pike26 Aug, 10:041967g32547
Re: Miniature Trig Log TableNorm Goldblatt26 Aug, 02:482137g32546
Miniature Trig Log TableGreg Rudzinski25 Aug, 20:122225g32545
Saint ExupéryJean Pascal Monnier25 Aug, 21:212578g32544
Re: Definition of the twilight intervalsSean C25 Aug, 15:484552g32543
Finding your Position via Lunar EclipsesEd Popko25 Aug, 14:245210g32542
Re: Real life accuracy...my experience, how does it compare...Frank Reed25 Aug, 03:378652g32541
Re: Real life accuracy...my experience, how does it compare...Mark Coady25 Aug, 01:433965g32540
Re: Real life accuracy...my experience, how does itcompare...Bill B24 Aug, 21:514804g32539
Re: MHR1 cylindrical slide rule on ebayBrad Morris24 Aug, 21:276601g32538
Re: Real life accuracy...my experience, how does it compare...Frank Reed24 Aug, 21:074510g32537
Real life accuracy...my experience, how does it compare...Mark Coady24 Aug, 17:288667g32536
MHR1 cylindrical slide rule on ebayFrank Reed24 Aug, 19:524250g32535
Re: Book - Wind, Sand and StarsAndrés Ruiz24 Aug, 15:232758g32534
Re: Book - Wind, Sand and StarsGary LaPook24 Aug, 06:498040g32533
Re: Weir's Azimuth DiagtamRommel John Miller23 Aug, 22:3911382g32532
Re: Book - Wind, Sand and StarsPhilip Lange23 Aug, 21:365753g32531
Weir's Azimuth Diagram ThanksJohn D. Howard23 Aug, 22:252233g32530
Re: Weir's Azimuth DiagtamGary LaPook23 Aug, 22:106674g32529
Re: Weir's Azimuth DiagtamPaul Bedel23 Aug, 20:141840g32528
An Interesting History of Air Navigation Seminar in the UKDavid Pike23 Aug, 19:5211386g32527
Re: Weir's Azimuth DiagtamAndrés Ruiz23 Aug, 18:182921g32526
Re: Weir's Azimuth DiagtamDave Walden23 Aug, 04:421498g32525
Re: Weir's Azimuth DiagtamRommel John Miller22 Aug, 22:269394g32524
Weir's Azimuth DiagtamJohn D. Howard22 Aug, 21:552024g32523
Re: Book - Wind, Sand and StarsStephen N.G. Davies21 Aug, 08:2312956g32522
Re: Book - Wind, Sand and StarsFrancis Upchurch21 Aug, 08:152338g32521
Re: Book - Wind, Sand and StarsStephen N.G. Davies21 Aug, 08:0712082g32520
Re: Book - Wind, Sand and StarsStephen N.G. Davies21 Aug, 08:0412442g32519
Re: Book - Wind, Sand and StarsGary LaPook21 Aug, 07:416772g32518
Re: Book - Wind, Sand and StarsEd Popko20 Aug, 23:282752g32517
Nautical Twilight on an inland lakeBob Goethe20 Aug, 18:516297g32516
Re: Book - Wind, Sand and StarsGreg Rudzinski20 Aug, 17:172100g32515
Re: Book - Wind, Sand and StarsBruce J. Pennino20 Aug, 16:415519g32514
Re: Very Small Altitude-Accurate ResultsBruce J. Pennino20 Aug, 15:375827g32513
Davis Mark15Robert VanderPol II20 Aug, 06:052886g32512
Re: Very Small Altitude-Accurate ResultsMike Burkes20 Aug, 00:041441g32511
Re: Book - Wind, Sand and StarsAlan S19 Aug, 22:511369g32510
Re: NOW what?Frank Reed19 Aug, 20:317782g32509
Re: NOW what?Robert Wyatt19 Aug, 19:233628g32508
Re: NOW what?David Pike19 Aug, 18:453739g32507
Re: Yoder SextantHewitt Schlereth19 Aug, 18:113475g32506
Re: 35mm Super Takumar Lens for CN on DSLRGreg Rudzinski19 Aug, 17:4317780g32505
Re: Yoder SextantFrank Reed19 Aug, 17:374022g32504
Re: Book - Wind, Sand and StarsGreg Rudzinski19 Aug, 17:291832g32503
Re: Yoder SextantFrank Reed19 Aug, 17:264338g32502
Re: Book - Wind, Sand and StarsGary LaPook19 Aug, 17:247392g32501
Re: Yoder SextantRommel John Miller19 Aug, 16:4119637g32500
Re: Yoder SextantKen Gebhart19 Aug, 16:506117g32499
Re: NOW what?John D. Howard19 Aug, 15:372392g32498
Re: Yoder SextantHewitt Schlereth19 Aug, 13:555323g32497
Re: Book - Wind, Sand and StarsAndrés Ruiz19 Aug, 12:353937g32496
Re: NOW what?Don Seltzer19 Aug, 12:3312359g32495
Re: Book - Wind, Sand and StarsNorm Goldblatt19 Aug, 08:082222g32494
Re: NOW what?David Pike19 Aug, 09:157149g32493
Re: Book - Wind, Sand and StarsFrancis Upchurch19 Aug, 06:532114g32492
Re: Book - Wind, Sand and StarsStephen N.G. Davies19 Aug, 06:3411998g32491
Re: NOW what?Gary LaPook19 Aug, 07:5414456g32490
Re: Book - Wind, Sand and StarsGary LaPook19 Aug, 06:278885g32489
Re: Yoder SextantFrank Reed19 Aug, 06:053031g32488
Re: NOW what?Frank Reed19 Aug, 05:556707g32487
Re: Book - Wind, Sand and StarsStephen N.G. Davies19 Aug, 04:245803g32486
Book - Wind, Sand and StarsGreg Rudzinski19 Aug, 03:111363g32485
Re: Yoder SextantMarty Lyons19 Aug, 00:532285g32484
Re: NOW what?John D. Howard19 Aug, 00:182132g32483
Re: NOW what?Don Seltzer18 Aug, 22:365068g32482
Re: NOW what?Bill B18 Aug, 21:542140g32481
Re: NOW what?Frank Reed18 Aug, 20:2413814g32480
Re: NOW what?Noell Wilson18 Aug, 19:442784g32479
Re: Definition of the twilight intervalsAndrés Ruiz18 Aug, 07:284669g32478
Re: Definition of the twilight intervalsGary LaPook17 Aug, 22:543727g32477
Re: NOW what?Frank Reed17 Aug, 21:121688g32476
Re: Definition of the twilight intervalsFrank Reed17 Aug, 20:339954g32475
Re: Definition of the twilight intervalsBob Goethe17 Aug, 19:418327g32474
Re: Definition of the twilight intervalsPaul Hirose17 Aug, 19:142344g32473
Re: Definition of the twilight intervalsRobert H. van Gent17 Aug, 08:385954g32472
Re: Definition of the twilight intervalsLu Abel17 Aug, 14:5911174g32471
Re: Definition of the twilight intervalsBrad Morris17 Aug, 05:067128g32470
Re: Very Small Altitude-Accurate ResultsStan K16 Aug, 17:168622g32469
Re: Constant altitude curves on an ellipsoidRobin Stuart16 Aug, 15:493676g32468
Definition of the twilight intervalsRobert H. van Gent16 Aug, 11:182062g32467
Re: NOW what?Sean C16 Aug, 05:121809g32466
Re: Constant altitude curves on an ellipsoidAndrés Ruiz16 Aug, 08:12821464g32465
Re: Very Small Altitude-Accurate ResultsRon Jones16 Aug, 04:2725517g32464
Re: NOW what?David Pike15 Aug, 23:192696g32463
Re: Very Small Altitude-Accurate ResultsBruce J. Pennino15 Aug, 20:487231g32462
Re: NOW what?Bill B15 Aug, 20:434488g32461
Re: NOW what? and missile accuracyFrancis Upchurch15 Aug, 20:262132g32460
Re: NOW what?Francis Upchurch15 Aug, 18:582871g32459
Re: NOW what?Gary LaPook15 Aug, 18:089796g32458
Re: NOW what?John D. Howard15 Aug, 17:242149g32457
Re: NOW what?John D. Howard15 Aug, 17:152178g32456
Re: NOW what?Bob Goethe15 Aug, 16:034869g32455
Re: NOW what?Andrés Ruiz15 Aug, 13:514934g32454
USA CapitolRobert VanderPol II15 Aug, 13:322664g32453
Re: NOW what?Andrés Ruiz15 Aug, 13:223458g32452
Re: NOW what?David Pike15 Aug, 08:145800g32451
Re: NOW what?Stephen N.G. Davies15 Aug, 05:588952g32450
Re: NOW what?Alexandre Eremenko15 Aug, 04:461932g32449
Re: NOW what?Derrick Young15 Aug, 03:344507g32448
Re: NOW what?Alexandre Eremenko15 Aug, 02:202221g32447
Re: NOW what?Frank Reed15 Aug, 01:204344g32446
Re: NOW what?Alexandre Eremenko15 Aug, 01:033667g32445
Re: NOW what?Brad Morris15 Aug, 00:534119g32444
Re: NOW what?Stephen N.G. Davies15 Aug, 00:236881g32443

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