At 07:22 PM 7/13/2010 Tuesday, Greg Potts wrote:
>Each of those attributes is present in a typical vehiclular GPS. Does PA
>state the specificy that it HAS to be a mechanical system? Is the
>mechanic inspecting the vehicle seriously going to question the accuracy
>of satellite navigation systems?

C'mon, be serious.  The inspection people aren't paid to have
imagination.  There's a hole in the dash for a speedometer/odometer
and they want to see one there, end of story.

Yours,
David