Yes, this is true, and its called selective availability.  I'm not sure how much the
time may be out, but the short term position accuracy will be off, as you've
mentioned, in a particular region or regions.

            Ron (Gander, NF)


ian wrote:

> I've heard that the US military can, in times of conflict, alter/whatever the
> information from the GPS satellites.  It may only be a regional effect near the
> area of conflict.  I'm wondering if it's worth folks keeping an eye on their gps
> time settings particularly near the middle east (Italy PSN station?)
>
> I Smith
>
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