Jan-Erik Soderholm wrote:
> Anyway, I've also read that DGPS isn't realy needed
> anymore since the "error" in the GPS signal has been
> removed.

The deliberate error was removed some years ago.  Today DGPS corrects for
systemic errors from to the satellites bouncing up and down due to
gravitational anomolies and other errors that are unpredictable or can't be
corrected for without a large database beyond the capability of low cost
receivers.


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