NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Gps
From: Pierre Boucher
Date: 2003 Feb 9, 22:49 -0500
From: Pierre Boucher
Date: 2003 Feb 9, 22:49 -0500
>In a message dated 2/9/2003 12:31:36 PM Eastern Standard Time, >pboucher@LAVOILE.COM writes: > >>If you zoom >>out your plotter screen to the maximum, you will clearly see a curve in the >>plotted course. > > >I've done this on 5 different brand names of GPS chartplotters and I'll >guarantee that they show a rhumb line but follow a Great Circle. Just checked your suggested route in a most recent Garmin model (with chart capability) and surprisingly it shows both the rumb line and the great circle route. Garmin just confirmed me that all its recent models with chart capabilities do the same. > I told these units to go from Grand Rapids, Michigan to Yokohama> Japan. This should nearly send you over the pole, which is what the GPS > indicated based on it's initial course. However it drew a line from > Grand Rapids straight west at the same latitude through the States and > across the Pacific Ocean to Japan. ALL units tested did the same thing! ************************************************************************** X XX X Pierre Boucher N XXX XX formation en navigation de plaisance XXXX XXX Ste-Therese (Quebec) Canada XXXXX XXX XXXXXX XXX la "VOILE"... le reste n'est que du vent... XXXXXXXXXXXXXX ''Sail, Sail !''... the rest is only wind XXXXXXXXXXXX XXXX EMAIL: pboucher@lavoile.com XXX "http://www.lavoile.com" **************************************************************************
