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    Re: Astronomy and Celestial Navigation [Really, GPS]
    From: Peter MacNeil
    Date: 2006 Jun 6, 15:35 -0800

    Richard,

    Even with this "distortion" be wouldn't it be corrected for by Differential stations (DGPS)? So the only areas it would theoretically affect areas those without DGPS coverage - areas outside North America and major european nations?

    Pete


    > Richard wrote...
    > And that would accomplish the goal, which is to allow
    > domestic use of the system while simultaneously severely
    > degrading it overseas. If you can keep the system
    > "substantially" functional over the domestic US, while
    > degrading it for a 5,000 mile footprint or even a 10,000
    > miles footprint someplace else--that's much better than
    > degrading it everywhere.




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