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Re: [PanoToolsNG] Somebody asked how the GPS satellites know where they are...

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  • Keith Martin
    ... A kind of celestial control point? PTGui of the Gods... k
    Message 1 of 2 , Nov 21, 2009
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      Sometime around 20/11/09 (at 14:27 -0800) Ken Warner said:

      >Quasars ...
      >
      >http://www.space.com/scienceastronomy/091103-st-gps-quasars.html

      A kind of celestial control point? PTGui of the Gods...

      k
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