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, 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
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