A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Peter Hakel
Date: 2015 Nov 25, 21:02 -0800
Here are my two cents on great-circle sailings. The drawing and data preset in the spreadsheet are based on Bowditch (2004 revised PDF version), p. 348.
Inputs are green with italics font, outputs are blue/cyan with regular font.
Adopted sign convention: north latitudes and east longitudes are positive, south latitudes and west longitudes are negative.