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    Re: Name for sixty nautical miles
    From: Robin Stuart
    Date: 2016 Mar 18, 08:16 -0700

    Magnus,

          The value of 5140.72 nm is the distance assuming that the Earth is a sphere. The GPS value of 5152 nm is the distance along the surface of an ellipsoid. GPS uses WGS84 as its standard although you can probably select a different reference datum on your GPS unit,

    Robin Stuart

       
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