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  2. EagleEye (satellite) - Wikipedia

    en.wikipedia.org/wiki/EagleEye_(satellite)

    The Polish government viewed the satellite's development as a priority due to Russia's invasion of Ukraine, as one of the main uses of the satellite would be observing troop movements. [5] However, EagleEye will also have civilian uses to monitor agriculture. [4] At 50kg, EagleEye is the largest and heaviest Polish satellite. [4]

  3. USA-244 - Wikipedia

    en.wikipedia.org/wiki/USA-244

    The WGS system is a constellation of highly capable military communications satellites that leverage cost-effective methods and technological advances in the communications satellite industry. The WGS system is composed of three principal segments: Space Segment (satellites), Control Segment (operators) and Terminal Segment (users).

  4. Satellite navigation - Wikipedia

    en.wikipedia.org/wiki/Satellite_navigation

    A satellite navigation system with global coverage is termed global navigation satellite system (GNSS). As of 2024 [update] , four global systems are operational: the United States 's Global Positioning System (GPS), Russia 's Global Navigation Satellite System ( GLONASS ), China 's BeiDou Navigation Satellite System (BDS), [ 1 ] and the ...

  5. Earth observation satellite - Wikipedia

    en.wikipedia.org/wiki/Earth_observation_satellite

    An Earth observation satellite or Earth remote sensing satellite is a satellite used or designed for Earth observation (EO) from orbit, including spy satellites and similar ones intended for non-military uses such as environmental monitoring, meteorology, cartography and others.

  6. Defense Satellite Communications System - Wikipedia

    en.wikipedia.org/wiki/Defense_Satellite...

    The DSCS communications payload includes six independent Super High Frequency (SHF) transponder channels that cover a 500 MHz bandwidth. Three receive and five transmit antennas provide selectable options for Earth coverage, area coverage and/or spot beam coverage. A special purpose single-channel transponder is also on board. [9]

  7. Satellite launches to keep an eye on space weather as solar ...

    www.aol.com/weather-satellite-track-solar-storms...

    The weather satellite lifted off aboard a SpaceX Falcon Heavy rocket from Kennedy Space Center in Florida at 5:26 p.m. ET. The launch streamed live on NASA’s website. Weather conditions in ...

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  9. 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.