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[PSUBS-MAILIST] Re: UW-DGPS
So am I getting this right, that the *only* reason for the inaccuracy of commercial GPS units (the up to 100 meters I usually hear) is that it's there on purpose?
(Paul wrote: "
>3) The DOD introduces "selective availability" into their satellite signals
>which cause error of up to 100 meters. This is decoded by military GPS
>units. [....]
>Differential correction is a way around selective availability. Accuracy can
>be obtained down to centimeters.")
--
David
Osage MN USA
buchner@wcta.net - http://customer.wcta.net/buchner