NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Another "emergency navigation" sight reduction method
From: Greg Rudzinski
Date: 2015 Jul 5, 17:56 -0700
From: Greg Rudzinski
Date: 2015 Jul 5, 17:56 -0700
Gary,
Bygrave is better for Hc over 30°. It just may be the best formula for the pocket 6". I'll work a few reductions to compare.
Greg Rudzinski
From: Gary LaPook
Date: 2015 Jul 5, 15:11 -0700Greg, try the 6 inch slide rule using the Bygrave formulas, they are usually more accurate.
gl
