you could also do what the cars do and add in your own variables like
velocity into the equation to get faster updates since the GPS signals
are only once per second.

Damon Hopkins

Joan Ilari wrote:
>
> I have built a PIC-controlled rover. Now I need to give it
> some kind of moving capability. Does it make any sense to
> try to make it to find its location through a GPS ? I have
> looked in the Net for GPS accuracy and I have seen very
> different values, depending on the technology used. For
> systems using a stationary beacon besides the satellites,
> precisions of cms. can be achieved. Has anybody tested this ?
> Are low level commercial systems (that is, not too expensive
> ones) capable of this ?
>
> If GPS cannot be used, has somebody any idea to know the
> position of my rover (besides IR beacons and triangulation) ?
>
> Thanks !
> --------------------------------------------------------------
>      Joan Ilari                 joan.ilari@terra.es
>      Barcelona                  Voice:  +34 93 431 96 39
>      Spain
>
> "I've seen things you people wouldn't believe. Attack ships on
>  fire off the shoulder of Orion. I watched C-beams glitter in
>  the dark near the Tannhauser gate. All those moments will be
>  lost in time, like tears in rain. Time to die..."
>                                                -Blade Runner-
> ---------------------------------------------------------------
>
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