Communications, Future Needs In - Research Article from Macmillan Science Library: Space Sciences

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New Generation Satellites

The need to support more data transmissions has spawned the development of a new generation of space communications satellites. The mainstay of space communications since the early 1980s has been the Tracking and Data Relay Satellite System (TDRSS). TDRSS consists of an array of five operational satellites parked in geosynchronous orbit over the Earth's equator. Rather than direct communications between a spacecraft and the ground, spacecraft communicate with TDRSS satellites, which in turn communicate with ground stations. As the name implies, these satellites act as a relay point for any communication between the ground and a spacecraft.

Besides forming the main communications link between the space shuttle and National Aeronautics and Space Administration (NASA) ground stations, TDRSS is used by many other NASA and government spacecraft.

The Tidbinbilla Deep Space Communication Centre in Australia is one of three communication centers in the world that provide contact with deep space probes and orbiting spacecraft. The Tidbinbilla Deep Space Communication Centre in Australia is one of three communication centers in the world...

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This section contains 1,158 words
(approx. 4 pages at 300 words per page)
Buy the Communications, Future Needs In Encyclopedia Article
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Macmillan Science Library: Space Sciences
Communications, Future Needs In from Macmillan Science Library: Space Sciences. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.
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