Global Positioning Systems in Education - Research Paper Example

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Global Positioning System(GPS),space-basedradio-navigation system, consisting of 24 satellites and ground support, is operated by the United States military but open to civilian uses. GPS provides users with accurate information about their location and velocity anywhere in the world. GPS is one of three satellite-based radio-navigation systems. The Russian Federation operates the Global Orbiting Navigation Satellite System (GLONASS), which also uses 24 satellites and provides accuracy similar to GPS. The European Union (EU) launched the first satellite in its planned Galileo program, also known as the Global Navigation Satellite System (GNSS), in December 2005.
TheGPSsystemwasdesigned for 24 satellites. Each satellite lasts about ten years. Replacement satellites are placed in orbit regularly to ensure that at least 24 satellites are always functioning. The device that receives the GPS signal is known as a receiver. Handheld or wrist-mounted GPS receivers are available to the civilian population; GPS receivers can also be installed in automobiles and boats.
Anatomicclocksynchronized to GPS is required in order ...
The Russian Federation operates the Global Orbiting Navigation Satellite System (GLONASS), which also uses 24 satellites and provides accuracy similar to GPS. The European Union (EU) launched the first satellite in its planned Galileo program, also known as the Global Navigation Satellite System (GNSS), in December 2005.
TheGPSsystemwasdesigned for 24 satellites. Each satellite lasts about ten years. Replacement satellites are placed in orbit regularly to ensure that at least 24 satellites are always functioning. The device that receives the GPS signal is known as a receiver. Handheld or wrist-mounted GPS receivers are available to the civilian population; GPS receivers can also be installed in automobiles and boats.
Anatomicclocksynchronized to GPS is required in order to compute ranges from these three signals. However, by taking a measurement from a fourth satellite, the receiver avoids the need for an atomic clock. Thus, the receiver uses four satellites to compute latitude, longitude, altitude, and velocity.
Management and purpose of GPS

GPS,formallyknownas the Navistar Global Positioning System, is operated and maintained by the United States Department of Defense. The National Space-Based Position, Navigation, and Timing Executive Committee manage GPS. The deputy secretaries of the Departments of Defense and Transportation lead the committee, which has a permanent staff that is responsible for the development of GPS.
GPSwasinitiatedin1973 to reduce the proliferation of navigation aids. By overcoming the limitations of many existing navigation systems, GPS became attractive to a broad spectrum of users. It was initially used as a navigational aid by military ground, sea, and air forces. In more recent years, GPS has been used by civilians ...Download file to see next pagesRead More