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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, 12:09 -0500
From: Pierre Boucher
Date: 2003 Feb 9, 12:09 -0500
>Here's a little twist for you...Tell a GPS chartplotter to plot a course >on a long voyage (say from Maine to England). What do you think the >results will be? It will show you a rhumb line on the screen,..... Not quite exact Gary. GPS compute and plot great circles. What looks like a rumbline is indeed a very small portion of a great circle. If you zoom out your plotter screen to the maximum, you will clearly see a curve in the plotted course. Pierre Boucher ************************************************************************** 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" **************************************************************************