GPS Basics
Written by on October 21, 2007 – 6:00 amGPS or Global Positioning System is fully functional Global Navigation Satellite System. This system uses a constellation of 24 artificial Medium Earth Orbit satellites. The satellites emit microwave signals, and a GPS receiver to determine its position, speed, direction and time. The system was developed by United States Department of Defense and was like Navstar GPS by Mr. John Walsh. Navstar is not an acronym, as well felt. Read more »
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