communications satellite wikipedia - EAS

14-27 of 38 results
  1. SAT-3/WASC - Wikipedia

    https://en.wikipedia.org/wiki/SAT-3/WASC

    SAT-3/WASC or South Atlantic 3/West Africa Submarine Cable is a submarine communications cable linking Portugal and Spain to South Africa, with connections to several West African countries along the route. It forms part of the SAT-3/WASC/SAFE cable system, where the SAFE cable links South Africa to Asia.The SAT-3/WASC/SAFE system provides a path between Asia …

  2. Satellite bus - Wikipedia

    https://en.wikipedia.org/wiki/Satellite_bus

    A satellite bus (or spacecraft bus) is the main body and structural component of a satellite or spacecraft, in which the payload and all scientific instruments are held.. Bus-derived satellites are opposed to specially produced satellites. Bus-derived satellites are usually customized to customer requirements, for example with specialized sensors or transponders, in order to …

  3. Inmarsat - Wikipedia

    https://en.wikipedia.org/wiki/Inmarsat

    Inmarsat is a British satellite telecommunications company, offering global mobile services. It provides telephone and data services to users worldwide, via portable or mobile terminals which communicate with ground stations through fourteen geostationary telecommunications satellites. Inmarsat's network provides communications services to a range of governments, aid …

  4. Multimedia - Wikipedia

    https://en.wikipedia.org/wiki/Multimedia

    Multimedia is a form of communication that uses a combination of different content forms such as text, audio, images, animations, or video into a single interactive presentation, in contrast to traditional mass media, such as printed material or audio recordings, which features little to no interaction between users. Popular examples of multimedia include video podcasts, audio …

  5. MEASAT Satellite Systems - Wikipedia

    https://en.wikipedia.org/wiki/MEASAT_Satellite_Systems

    MEASAT Satellite Systems Sdn. Bhd, formerly Binariang Satellite Systems Sdn.Bhd is a Malaysian communications satellite operator, which owns and operates the MEASAT (Malaysia East Asia Satellite) and AFRICASAT spacecraft. The company provides satellite services to leading international broadcasters, Direct-To-Home (DTH) platforms and telecom operators.

  6. Multipath propagation - Wikipedia

    https://en.wikipedia.org/wiki/Multipath_propagation

    In radio communication, multipath is the propagation phenomenon that results in radio signals reaching the receiving antenna by two or more paths. Causes of multipath include atmospheric ducting, ionospheric reflection and refraction, and reflection from water bodies and terrestrial objects such as mountains and buildings. When the same signal is received over more than …

  7. Communications Act of 1934 - Wikipedia

    https://en.wikipedia.org/wiki/Communications_Act_of_1934

    The Communications Act of 1934 is a United States federal law signed by President Franklin D. Roosevelt on June 19, 1934 and codified as Chapter 5 of Title 47 of the United States Code, 47 U.S.C. § 151 et seq. The Act replaced the Federal Radio Commission with the Federal Communications Commission (FCC). It also transferred regulation of interstate telephone …

  8. Defense Satellite Communications System - Wikipedia

    https://en.wikipedia.org/wiki/Defense_Satellite_Communications_System

    The Defense Satellite Communications System (DSCS) is a United States Space Force satellite constellation that provides the United States with military communications to support globally distributed military users. Beginning in 2007, DSCS is being replaced by the Wideband Global SATCOM system. A total of 14 DSCS-III satellites were launched between the early …

  9. Advanced Extremely High Frequency - Wikipedia

    https://en.wikipedia.org/wiki/Advanced_Extremely_High_Frequency

    Advanced Extremely High Frequency (AEHF) is a constellation of communications satellites operated by the United States Space Force.They are used to relay secure communications for the United States Armed Forces, the British Armed Forces, the Canadian Armed Forces, the Netherlands Armed Forces and the Australian Defence Force. The system consists of six …

  10. Teleport Communications Group - Wikipedia

    https://en.wikipedia.org/wiki/Teleport_Communications_Group

    Teleport Communications Group (TCG) was the first competitive local exchange carrier (CLEC) in the United States. It was founded in 1985 to compete with New York Telephone Company using fiber optics, and expanded to other major cities.The company was acquired by AT&T in 1998.. History. The company was formed as Teleport Communications in 1985 by Merrill Lynch as …

  11. Node (networking) - Wikipedia

    https://en.wikipedia.org/wiki/Node_(networking)

    In telecommunications networks, a node (Latin: nodus, ‘knot’) is either a redistribution point or a communication endpoint.The definition of a node depends on the network and protocol layer referred to. A physical network node is an electronic device that is attached to a network, and is capable of creating, receiving, or transmitting information over a communication channel.

  12. S band - Wikipedia

    https://en.wikipedia.org/wiki/S_band

    Satellite communications. S-band tracking antenna at Kennedy Space Center. In the United States, the FCC approved satellite-based Digital Audio Radio Service (DARS) broadcasting in the S band from 2.31 to 2.36 GHz in 1995, currently used by Sirius XM Radio. More recently, it has approved portions of the S band between 2.0 and 2.2 GHz for the ...

  13. List of United States wireless communications service providers - Wikipedia

    https://en.wikipedia.org/wiki/List_of_United...

    This is a list of United States wireless communications service providers.The Cellular Telecommunications & Internet Association (CTIA), lists approximately 30 facilities-based wireless service providers in the United States as members. Competitive Carriers Association (CCA) has over 100 members. Aside from the facilities-based providers, there are over 50 virtual …

  14. Satellite Control Network - Wikipedia

    https://en.wikipedia.org/wiki/Satellite_Control_Network

    The Satellite Control Network (SCN), operated by the United States Space Force's Space Delta 6, provides support for the operation, control, and maintenance of a variety of United States Department of Defense and some non-DoD satellites.This involves continual execution of Telemetry, Tracking, and Commanding (TT&C) operations. In addition, the SCN provides …



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