NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: I knew where we were, but where are we now?
From: Pierre Boucher
Date: 2006 Jun 26, 10:18 -0400
From: Pierre Boucher
Date: 2006 Jun 26, 10:18 -0400
Red a ?crit : > Pierre, is that ignoring the fact that the diameter of the earth will be reduced > as we move from the equator to the poles. so that "degrees east" and "miles > east" will not have the same value as latitude changes? The method (plane sailing) takes in consideration the fact that the length of a minute of longitude decrease as the observer moves from the equator to the pole. However, as George Huxtable mentionned this method decrease in reliability as the course moves from east-west to north-south direction. Pierre
