piclist 2002\09\26\194453a >
Thread: GPS current consumption
www.piclist.com/techref/io/sensors.htm?key=gps
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face BY : Russell McMahon email (remove spam text)



> > There is a Casio watch with GPS in - presumably it has a better
> > battery life than that
>
> Wonder what they're doing that's so different. Must be conditional

It's terrible! :-)

Specs        http://www.casio.com/gps/spec.html
General      http://www.casio.com/gps/top.html

CR2 Lithium
5 hours battery life with 1 second update rate.
4 hours non stop auto.
12 hours with auto 20 second update rate.

Presumably the GPS and watch proper have separate batteries :-)
(When the time fails to return the time would have been .... ).

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