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magnetic declination

  1. magnetic declination

    Casio G-Shock
    since this was brought up in another thread and a lot of you all over the world have a protrek/pathfinder model with compass, I thought the following site should be must read for every ABC watch owner/user . http://www.ngdc.noaa.gov/geomagmodels/IGRFWMM.jsp regards, holger
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