Tuesday, June 29, 2010

Communications Satellite

http://telecommunicationservice.blogspot.comA communications satellite (sometimes abbreviated to COMSAT) is an artificial satellite stationed in space for the purpose of the telecommunications. Modern communications satellites used as a variety of orbits including geostationary orbits, Molniya orbits, other elliptical orbits and low (polar and non-polar) Earth orbits.

For fixed (point-to-point) services, communications satellites provides a microwave radio relay technology complementary to that of the submarine communication cables. They are also used for mobile applications such as the communications to ships, vehicles, planes and hand-held terminals, and for TV and radio broadcasting, for which the application of other technologies, such as cable, is impractical or impossible


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