sh asked: If I need to make a portable device which you can carry around with you to give the exact location, altitude, climb and descent.
What electronic chips hardware will i need to make a portable GPS system?
Is there a need to make a payment to some company to use GPS?
Stefan
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December 3rd, 2009 at 2:50 pm
go on wikipedia
December 5th, 2009 at 3:33 pm
The major gps oems try garmin magellan sirf and similar mfrs.
Gps oems try garmin magellan sirf and similar mfrs.