Portal:Satellite navigation systems

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The Satellite navigation systems Portal

The Global Positioning System (GPS), is currently the only fully-functional satellite navigation system. More than two dozen GPS satellites are in medium Earth orbit, transmitting signals allowing GPS receivers to determine the receiver's location, speed and direction.

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A taxi in Kyoto, equipped with GPS navigation system
A taxi in Kyoto, equipped with GPS navigation system
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Main article: :Category:GPS
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