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  2. Satellite Internet access - Wikipedia

    en.wikipedia.org/wiki/Satellite_Internet_access

    Satellite Internet generally relies on three primary components: a satellite – historically in geostationary orbit (or GEO) but now increasingly in Low Earth orbit (LEO) or Medium Earth orbit MEO) – a number of ground stations known as gateways that relay Internet data to and from the satellite via radio waves , and further ground stations ...

  3. Inmarsat - Wikipedia

    en.wikipedia.org/wiki/Inmarsat

    Inmarsat satellite telephone in use after a natural disaster in Nias, Indonesia. The unit depicted was manufactured by Thrane & Thrane A/S of Denmark. (April 2005) Inmarsat is a British satellite telecommunications company, offering global mobile services. It provides telephone and data services to users worldwide, via portable or mobile ...

  4. Starlink - Wikipedia

    en.wikipedia.org/wiki/Starlink

    Starlink. Starlink is a satellite internet constellation operated by Starlink Services, LLC, a wholly-owned subsidiary of American aerospace company SpaceX, [3] providing coverage to over 70 countries. It also aims to provide global mobile broadband. [4] SpaceX started launching Starlink satellites in 2019.

  5. 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 ...

  6. National Environmental Satellite, Data, and Information Service

    en.wikipedia.org/wiki/National_Environmental...

    The National Environmental Satellite, Data, and Information Service ( NESDIS) was created by the National Oceanic and Atmospheric Administration (NOAA) to operate and manage the United States environmental satellite programs, and manage the data gathered by the National Weather Service and other government agencies and departments. [1]

  7. Communications satellite - Wikipedia

    en.wikipedia.org/wiki/Communications_satellite

    t. e. A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth. Communications satellites are used for television, telephone, radio, internet, and military ...

  8. Iridium Communications - Wikipedia

    en.wikipedia.org/wiki/Iridium_Communications

    Iridium Communications Inc. (formerly Iridium Satellite LLC) is a publicly traded American company headquartered in McLean, Virginia, United States. Iridium operates the Iridium satellite constellation, a system of 75 satellites: 66 are active satellites and the remaining nine function as in-orbit spares. [2]

  9. Argos (satellite system) - Wikipedia

    en.wikipedia.org/wiki/Argos_(satellite_system)

    Argos (satellite system) Argos is a global satellite -based system that collects, processes, and disseminates (spreads, distributes) environmental data from fixed and mobile platforms around the world. [citation needed] The worldwide tracking and environmental monitoring system is the results from Franco-American cooperation.

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