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August 26, 2009
•White Paper: Satellite Navigation Technology & Trends
By Psion Teklogix
GPSGPS, officially named NAVSTAR by the US Department of Defense, is a satellite based navigation system with more than 24 satellites. The satellites circle the Earth at a height of 12,000 miles twice a day. Global Positioning System provides the exact location at any time irrespective of weather. Satellites are monitored continuously through ground stations at numerous locations worldwide.
GPS III is the upgraded version of the US Department of Defense's GPS constellation of satellites. It is the next generation GPS navigation satellite system to be equipped with most sophisticated technology specifically designed for offering a high level of positioning accuracy to the nearest possible range. While current GPS offers positioning and navigation capabilities to both military and civilian applications, the new system is expected to offer much more in terms of signal quality, security and availability. The system is designed to further augment GPS capabilities as a world-class navigation system and offer high quality and equally reliable navigation services to military and civilian users, especially the aviation industry. GPS III would also provide state-of-the-art anti-jam functionalities, in addition to enhanced system reliability, accuracy, and security, and assure constant availability of signals for safety-critical applications.
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