[GRLUG] OT, but GPS, anyone?

[Bob Kline]

On Wed, Aug 26, 2009 at 12:45 PM, L. V. Lammert <lvl at omnitec.net> wrote:

> At 12:28 PM 8/26/2009 -0400, you wrote:
> >But if that doesn't do it for you then I suppose the absolute minimum
> >spacing is the GPS resolution which is normally 1 meter. Anything under
> >that and gps positional uncertainty will overtake your sample accuracy.
> >It would be best to space at least twice the GPS resolution but the
> >farther apart the two points are the better your accuracy.
>
> BUT taking a differential reading should theoretically cancel any position
> innaccuracy over a statistical sampling period, assuming identical GPS
> units and identical satellite usage - which is why I'm looking for any
> resources that might be available to answer the question.
>
>         TFTR,
>
>         Lee
>

Yes.  Again, that's what serveyors do.

But the details might be tedious, as the
difference between theory and practice
often can be.

     -- Bob
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