NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: GPS direction: Rumb line or great circle
From: Vic Fraenckel
Date: 2009 Oct 5, 02:58 -0700
From: Vic Fraenckel
Date: 2009 Oct 5, 02:58 -0700
I believe that the normal GPS receivers actually calculate the distance between points and the azimuths to/from each using algorithms of the type pioneered by Vincenty and Sodano which are more precise than the great circle algorithms. Vic Fraenckel On Oct 1, 2:40�am, MvNwrote: > I was reading the post on the mecca direction question and was > wondering; when a (Garmin) GPS indicate a direction, does it follow a > rumb line or a great circle? > > Maarten van Noorden --~--~---------~--~----~------------~-------~--~----~ NavList message boards: www.fer3.com/arc Or post by email to: NavList@fer3.com To , email NavList+@fer3.com -~----------~----~----~----~------~----~------~--~---