NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Dozier Formula
From: Michael Wescott
Date: 2001 Nov 19, 2:46 PM
From: Michael Wescott
Date: 2001 Nov 19, 2:46 PM
> The normal Dozier formula is: > tan Zn = sin LHA / cos LHA * sin L - cos L * sin d > > Rewritten as because of the result coming out 180 degrees off and of using > the Polar-to-rectangular function: > tan(Zn - 180) = sin LHA / cos LHA * sin L - cos L * tan d > > Then *using invented notation* rewritten again as: > Zn = 180 + R->P (sin LHA * cos d, cos LHA * cos d * sin L - cos L * tan d > > Now can someone explain what the COMMA after the first cos d stands for? R->P (presumably rectangular to polar) is a function that takes 2 inputs. The comma separates those two inputs. -- Mike Wescott Wescott_Mike@EMC.COM