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  2. Very-small-aperture terminal - Wikipedia

    en.wikipedia.org/wiki/Very-small-aperture_terminal

    A 2.5 m parabolic dish antenna for bidirectional satellite Internet access. A very-small-aperture terminal (VSAT) [1] is a two-way satellite ground station with a dish antenna that is smaller than 3.8 meters. The majority of VSAT antennas range from 75 cm to 1.2 m. Bit rates, in most cases, range from 4 kbit/s to 16 Mbit/s.

  3. Ground segment - Wikipedia

    en.wikipedia.org/wiki/Ground_segment

    Ground station equipment may be monitored and controlled remotely. There are often backup stations from which radio contact can be maintained if there is a problem at the primary ground station which renders it unable to operate, such as a natural disaster. Such contingencies are considered in a Continuity of Operations plan.

  4. Tracking and Data Relay Satellite System - Wikipedia

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

    TDRS Program Logo Location of TDRS as of March 2019 An unflown TDRS on display at the Steven F. Udvar-Hazy Center in Chantilly, Virginia.. 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.

  5. Ground station - Wikipedia

    en.wikipedia.org/wiki/Ground_station

    Parkes Observatory pointing toward the Moon, receiving data from Apollo 11 mission back to Earth. A ground station, Earth station, or Earth terminal is a terrestrial radio station designed for extraplanetary telecommunication with spacecraft (constituting part of the ground segment of the spacecraft system), or reception of radio waves from astronomical radio sources.

  6. Maxar Technologies - Wikipedia

    en.wikipedia.org/wiki/Maxar_Technologies

    The sale includes all of MDA's Canadian businesses, encompassing ground stations, radar satellite products, robotics, defense, and satellite components, representing approximately 1,900 employees. [13] On April 8, 2020, the sale of MDA to NPC officially closed. The divesting of its Canadian MDA portion returned MDA to a separate operating ...

  7. Kongsberg Spacetec - Wikipedia

    en.wikipedia.org/wiki/Kongsberg_Spacetec

    In 1996, the Norwegian Space Center started negotiations with NASA to provide a ground station for the Earth Observing System (EOS) in Longyearbyen. [23] Svalbard Satellite Station was established in 1997 and was owned by Kongsberg/Lockheed Martin Space Data Services, a joint venture between Kongsberg Spacetec and Lockheed Martin. [24]

  8. Integral Systems - Wikipedia

    en.wikipedia.org/wiki/Integral_Systems

    Integral Systems, Inc. was a manufacturer of satellite ground systems founded in 1982, and based in Columbia, Maryland in the United States. The company had supported over 205 satellite missions for communications, science, meteorological and earth resource applications. [3]

  9. Space segment - Wikipedia

    en.wikipedia.org/wiki/Space_segment

    A telecommunications satellite. The space segment comprises the uplink, the satellite itself, and the downlink A large parabolic antenna in a satellite Earth station. The space segment of an artificial satellite system is one of its three operational components (the others being the user and ground segments).