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How GPS Receivers Work
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01:17  - 3 years ago
A GPS receiver uses signals from satellites to pinpoint its exact location on Earth, any time, anywhere. It can tell you where you are, where you've been, where you're going and what time you'll get there. Find out how the Global Positioning System lets you find your way around the globe. To learn more about gps check out this article. http://electronics.howstuffworks.com/gps.htm
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