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How does GPS work? Feature Summary

Type:
From Physics Research
Title:
How does GPS work?
Description:
The photo shows a Global Positioning System satellite. To find out how the system works, visit How does GPS work?. Be sure to see the video to understand how three or four different GPS satellites specify your position on Earth.
Image:
Image credit: Scott Ehardt, Wikimedia Commons; <a href="http://en.wikipedia.org/wiki/File:Global_Positioning_System_satellite.jpg" target="_blank">image source</a>; <a href="http://www.physicstogo.org/images/features/Global_Positioning_System_satellite_large.jpg" target="_blank">larger image</a>
Image credit: Scott Ehardt, Wikimedia Commons; image source; larger image
Image URL:
https://www.compadre.org/Informal/images/features/Global_Positioning_System_satellite_large.jpg
Featured:
September 1, 2011 - September 30, 2011