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GPS

Global Positioning System

Technology » Instruments & Devices
What does GPS mean?
The Global Positioning System (GPS) is a space-based global navigation satellite system (GNSS) that provides location and time information in all weather, anywhere on or near the Earth, where there is an unobstructed line of sight to four or more GPS satellites. It is maintained by the United States government and is freely accessible by anyone with a GPS receiver.
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World Wide GPS Global Positioning System