gps (uitleg) [ geocaching ]

gesponsorde links

Hiking-site.nl
Navigeren met een GPS hiking-site.nl: navigatie - GPS
www.hiking-site.nl/navigatie_gps.php

How GPS Receivers Work
GPS can pinpoint your location anywhere on Earth. Find out how GPS works, learn about the amazing technology behind GPS and read reviews of GPS devices. Howstuffworks How GPS Receivers Work
www.howstuffworks.com/gps.htm

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