[Loadstone] measuring speed with GPS
cyselfridge at comcast.net
Tue Sep 30 14:13:38 BST 2008
The only way one can know how accurate the GPS is measuring speed is to
clock the automobile over about a 5 mile (8 KM?)run.
Vehicle speedometers are notoriously inaccurate and the inaccuracy gets
worse the faster the speed.
Such things as wear on the vehicle's tires, correct tire size and if any
work has been done of the transmission can also really make
the speedometer inaccurate.
Cy, The Anasazi.
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