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Subject: Re: Variation of compass
Smith_Peter@XXX.XXX
Date: Wed Oct 02 2002 - 15:58:45 EDT
David Weilacher <daveweilacher@XXX.XXX> asked:
> What sources exist to determine compass variation for your position at
sea?
The DOD World Magnetic Charts page at http://geomag.usgs.gov/chartsdo.html
has downloadable charts and some code (FORTRAN, to keep us dinosaurs happy)
to run your own estimates for any given location.
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