Topic: Global Positioning System
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Global Positioning System on twitter
That signal is picked up by satellite, and when the Global Positioning System is activated, it pinpoints their exact location.

Twitter: @ewilliamel9

gps global positioning system http://t.co/vSHXx78dEw

Twitter: @rabedoxoqov

#file #download Global Positioning System and GIS http://t.co/SOq37r4nkI

Twitter: @ServicePdfs

#download Global Positioning System and GIS @ServicePdfs

Twitter: @ServicePdfs

I liked a @YouTube video http://t.co/HhnemqiAhY How an atomic clock works, and its use in the global positioning system (GPS)

Twitter: @AlexanderDIsaac

RT @PDChina: Shanghai company produced chip to add China's Beidou Navigation Satellite System & US's Global Positioning System service to …

Twitter: @amplifyonly

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