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  2. Thule Site J - Wikipedia

    en.wikipedia.org/wiki/Thule_Site_J

    Thule Site J (J-Site) is a United States Space Force (USSF) radar station in Greenland near Pituffik Space Base for missile warning and spacecraft tracking.The northernmost station of the Solid State Phased Array Radar System, the military installation was built as the 1st site of the RCA 474L Ballistic Missile Early Warning System and had 5 of 12 BMEWS radars.

  3. Solid State Phased Array Radar System - Wikipedia

    en.wikipedia.org/wiki/Solid_State_Phased_Array...

    Coverage of the original PAVE PAWS and BMEWS systems, later upgraded to SSPARS and eventually to UEWR BMEWS solid-state phased-array radar at RAF Fylingdales. The Solid State Phased Array Radar System [1] (SSPARS), colloquially Ballistic Missile Early Warning System radar network (BMEWS radar network), [2] is a United States Space Force radar, computer, and communications system for missile ...

  4. USA-242 - Wikipedia

    en.wikipedia.org/wiki/USA-242

    The fourth Block IIF GPS satellite, it forms part of the Global Positioning System. USA-242 is a 1,630-kilogram (3,590 lb) spacecraft, built by Boeing with a design life of 15 years. [ 1 ] It operates from a semi-synchronous medium Earth orbit , at an altitude of 20,459 kilometers (12,713 mi) an inclination of 55 degrees, [ 2 ] in slot 5 of ...

  5. Eglin AFB Site C-6 - Wikipedia

    en.wikipedia.org/wiki/Eglin_AFB_Site_C-6

    Eglin AFB Site C-6 is a United States Space Force radar station which houses the AN/FPS-85 phased array radar, associated computer processing system(s), and radar control equipment designed and constructed for the U.S. Air Force by the Bendix Communications Division, Bendix Corporation.

  6. Radar calibration satellite - Wikipedia

    en.wikipedia.org/wiki/Radar_calibration_satellite

    The ground radar station submits a transmit command and takes a measurement of the satellite's location. The transponder's signal is received by a radar receiver and combined with the satellite's ephemeris data to calculate the satellite's actual position, and this is then compared with the position calculated by the radar measurement in order ...

  7. Enterprise Electronics Corporation - Wikipedia

    en.wikipedia.org/wiki/Enterprise_Electronics...

    Today, EEC is the only commercial weather radar vendor in the US to offer a complete line of magnetron, klystron and solid-state transmitter weather radar systems. Additionally, EEC's TeleSpace business division offers direct readout ground station systems, which support the full constellation of both Geostationary Orbit and Polar Orbit weather ...

  8. Space-based radar - Wikipedia

    en.wikipedia.org/wiki/Space-based_radar

    Space-based radar or spaceborne radar is a radar operating in outer space; orbiting radar is a radar in orbit and Earth orbiting radar is a radar in geocentric orbit. A number of Earth-observing satellites , such as RADARSAT , have employed synthetic aperture radar (SAR) to obtain terrain and land-cover information about the Earth .

  9. List of United States Air Force radar squadrons - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States_Air...

    Squadron Location Nickname Notes: 666th Radar Squadron: Mill Valley AFS: SAGE: 682d Radar Squadron: Almaden AFS: SAGE: 689th Radar Squadron: Mount Hebo AFS: SAGE