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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: The Great Circle Challenge
From: Samuel L
Date: 2014 Dec 26, 12:25 -0800
From: Samuel L
Date: 2014 Dec 26, 12:25 -0800
'Hope this is right;
Distance= 4,069 nm
Method-
90-sin-1((sin(21d 57min) x sin(-41.5d) + cos(21d 57min) x cos(-41.5d) x cos(334d 10min))
Multiply the answer by 60
Initial Bearing- 154d
Method-
180 + tan-1(sin(334d 10min) / (cos(334d 10min) x sin(41.5d) - cos(41.5d) x tan(-21d 57min))
Sam L.
