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    Re: New inovation in astro navigation?
    From: Ike Stewart
    Date: 2010 Jul 30, 17:30 -0700

    Exactly, while GPS receivers have became so cheap, and small that it is practical for a sailor even on a small boat to carry multiple backups, this does no good should the GPS satellites become unavailable through any number reasons software bugs, intentional selective availability mode, act of war, etc. (some we have seen in the past). Instead some independent method of fixing ones position is needed, going with another satellite based navigation system like the EU's upcoming GNSS risks all the same problems as the GPS system, just with different authorities.


    > Not to speak for the original poster, but I believe he said "in the case of
    > GPS system outage".
    > --
    ? GregR

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