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    Re: Magnetic Variation
    From: Andrés Ruiz
    Date: 2010 Feb 28, 08:52 +0100
    Today there are some models for the Magnetic Variation, for example de WMM: World Magnetic Model, current valid from 2010 to 2015.

    The input parameters are:

    • Latitude
    • Longitude
    • Altitude Sea level (referenced to the WGS 84 ellipsoid)
    • Date, in decimal year
    If you are interested, you have a free windows program for declination at mu Web site.
    --
    Andrés Ruiz
    Navigational Algorithms
    https://sites.google.com/site/navigationalalgorithms/

       
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