RE: GEEZ course map & accuracy

["Bill Fuhrmann" <bfuhrman@isd.net>]

> >  I wonder how much more accurate those maps would
> be if Byron had an independent measure of vehicle
> speed like the Edlebrock system apparenntly supplies?
>
> The speed data would obviously be improved
> (theoretically at least) but I doubt position would be
> affected, unless you could somehow use it to correct
> for the cumulative error in acceleration.

How does the Edlebrock system get it's measure of speed?  If it is via the
driven wheels, wheel slip of either wheel could create some significant
errors.