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    Re: GPS & Magnetic Bearings
    From: Pierre Boucher
    Date: 2003 Feb 9, 22:59 -0500

    >Just a quick note on the magnetic variation: I was told by an authority on
    >the subject that after 5 years, the accuracy of the magnetic variation
    >information contained within your GPS software starts to drop off.
    
    I might be wrong but I think GPS get the variation infos from the ephemeris
    received from the satellites.
    
    
    **************************************************************************
                    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{at}lavoile.com
                XXX                               "http://www.lavoile.com"
    **************************************************************************
    
    
    

       
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