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    Re: Variation of compass
    From: UNK
    Date: 2002 Oct 2, 15:58 -0400

    David Weilacher  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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