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    Re: Variation of compass
    From: Robert Eno
    Date: 2002 Oct 2, 15:04 -0400

    At the risk of uttering heresy on this forum, most, if not all, GPS
    receivers have a built-in program that provides the magnetic variation for
    any place on the planet. The drawback to this feature is that is only valid
    for a certain epoch which I think is no more than 5 - 10 years.
    
    
    
    ----- Original Message -----
    From: David Weilacher 
    To: 
    Sent: Wednesday, October 02, 2002 1:06 PM
    Subject: Variation of compass
    
    
    > What sources exist to determine compass variation for your position at
    sea?
    >
    >
    >
    > Dave Weilacher
    > .US Coast Guard licensed captain
    > .    #889968
    > .ASA certified sailing and celestial
    > .    navigation instructor #990800
    > .IBM AS400 RPG contract programmer
    >
    >
    
    
    

       
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