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  2. Tracking and Data Relay Satellite System - Wikipedia

    en.wikipedia.org/wiki/Tracking_and_Data_Relay...

    The U.S. Tracking and Data Relay Satellite System (TDRSS, pronounced "T-driss") is a network of American communications satellites (each called a tracking and data relay satellite, TDRS) and ground stations used by NASA for space communications. The system was designed to replace an existing network of ground stations that had supported all of ...

  3. Tracking and data relay satellite - Wikipedia

    en.wikipedia.org/wiki/Tracking_and_data_relay...

    The system is a concept utilizing communication satellite technology that improves and economizes the satellite tracking and telemetry operations. The base three geosynchronous satellites (one a standby) track and receive data from satellites for relay to a ground station.

  4. List of TDRS satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_TDRS_satellites

    Location of TDRS as of 26 May 2020 Location of TDRS as of March 2019. This is a list of Tracking and Data Relay Satellites.TDRS spacecraft are all in geostationary orbit and are operated by the United States National Aeronautics and Space Administration, and are used for communication between NASA facilities and spacecraft, [1] including the Space Shuttle, Hubble Space Telescope, and ...

  5. TDRS-3 - Wikipedia

    en.wikipedia.org/wiki/TDRS-3

    TDRS-3, known before launch as TDRS-C, is an American communications satellite, of first generation, which is operated by NASA as part of the Tracking and Data Relay Satellite System. It was constructed by TRW, and is based on a custom satellite bus which was used for all seven first generation TDRS satellites. [4]

  6. Spacecraft Tracking and Data Acquisition Network - Wikipedia

    en.wikipedia.org/wiki/Spacecraft_Tracking_and...

    Most of the STADAN stations were phased out in the early 1980s, as the Tracking and Data Relay Satellite System (TDRS), took over most of the work of tracking satellites in low Earth orbit. [3] Another network, the Deep Space Network (DSN), interacted with crewed craft higher than 10,000 miles from Earth, such as the Apollo missions, in ...

  7. TDRS-7 - Wikipedia

    en.wikipedia.org/wiki/TDRS-7

    TDRS-7, known before launch as TDRS-G, is an American communications satellite, of first generation, which is operated by NASA as part of the Tracking and Data Relay Satellite System. It was constructed by TRW as a replacement for TDRS-B, which had been lost in the Challenger accident, and was the last first generation TDRS satellite to be ...

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