NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Greg Rudzinski
Date: 2012 Mar 8, 13:10 -0800
3/8/2012 UT 18:00:28 ZD +5 LMT 13:00:28
Latitude 27* 41' N Longitude 80* 24' W
Sun GHA 87* 28.1'
LHA 7* 04.1' (meridian angle) = 28.3 minutes time (t)
Dec 4* 31.2' S
Bowditch Table #24 (a) = 3.25
(t) = 28.3
(t)(t) = 800
(a)(t)(t)/60 = XM Corr.'
(3.25)(28.3)(28.3)/60 =
(3.25)(800)/60 =
(2600)/60 = 43.3'
Hs 57* 06.0' (bubble octant)
ref. - 0.5'
Ho 57* 05.5'
+43.3' XM Corr.
57* 48.8'
Dec+4* 31.2' S
62* 20.0'
27* 40.0' N Latitude (90*-62* 20.0')
Pic 81 Bowditch Table #24
IMG 1090 Slide Rule: Meridian Angle x 4 minutes of time for time to Meridional Passage (t)
IMG 1092 Slide Rule: (t)(t)
IMG 1094 Slide Rule: (a)(t)(t)
IMG 1096 Slide Rule: (a)(t)(t)/60
IMG 1102 Ti 36x Pro display: (a)(t)(t)/60
Greg Rudzinski
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