OT: GPS accuracy

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著者: Kevin Buettner
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題目: OT: GPS accuracy
On Mar 21, 11:46am, wrote:

> Just thought I pass along that GPS accuracy has been degraded
> as was being predicted to the war in Iraq. Last night and
> earlier today I got an accuracy of 33 feet. Just tried it now
> and got an accuracy of 223 feet. Well there goes my plans of
> me and kismet going out for a drive.


After reading your message, I turned on my Etrex Vista. The satellite
page claims an accuracy of 16 feet. I checked it against a waypoint
that I set when I first bought the unit. It looked to be spot on to
me.

FWIW, I've noticed (in the past) that the claimed accuracy varies
greatly with signal stength and the number of satellites that it can
see.

Kevin