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  2. Ground Equipment Facility J-36A - Wikipedia

    en.wikipedia.org/wiki/Ground_Equipment_Facility...

    San Clemente Island Air Force Station was Permanent System radar station LP-39 which began operations in November 1951 with an AN/TPS-1C general surveillance radar. Designated as one of two offshore radar stations at the Southern California coast, the 670th Aircraft Control and Warning Squadron was activated at the station on 1 February 1952 by ...

  3. Ground Equipment Facility J-31 - Wikipedia

    en.wikipedia.org/wiki/Ground_Equipment_Facility_J-31

    The "ADC/FAA joint-use facility" began operations in 1961 with an FAA ARSR-1C radar. [1] After the April 1, 1961, move of the 670th Radar Squadron (SAGE)--formerly the 670th AC&W Squadron—from San Clemente Island Air Force Station, the Los Angeles Air Defense Sector was activated June 1. [6]

  4. San Clemente Naval Auxiliary Air Station - Wikipedia

    en.wikipedia.org/wiki/San_Clemente_Naval...

    The US Army installed two radar stations nearby and the runways were improved in 1941, the 3,000-foot runway was made into a 5,000-foot runway. In 1943 the airfield was renamed Naval Auxiliary Air Facility San Clemente Island.

  5. Air Route Surveillance Radar - Wikipedia

    en.wikipedia.org/wiki/Air_Route_Surveillance_Radar

    The Air Route Surveillance Radar is a long-range radar system. It is used by the United States Air Force and the Federal Aviation Administration to control airspace within and around the borders of the United States. The ARSR-4 is the FAA's most recent (late 1980s, early 1990s) addition to the "Long Range" series of radars.

  6. NEXRAD - Wikipedia

    en.wikipedia.org/wiki/NEXRAD

    NEXRAD or Nexrad (Next-Generation Radar) is a network of 159 high-resolution S-band Doppler weather radars operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and the U.S. Air Force within the ...

  7. After major San Clemente landslide, officials warn next storm ...

    www.aol.com/news/major-san-clemente-landslide...

    CJ Smith had just taken a video of his rainy view along the San Clemente coast Wednesday morning when there was an ominous rumbling sound. “I heard a noise and felt the building kind of shake a ...

  8. Doppler radar - Wikipedia

    en.wikipedia.org/wiki/Doppler_radar

    A Doppler radar is a specialized radar that uses the Doppler effect to produce velocity data about objects at a distance. [1] It does this by bouncing a microwave signal off a desired target and analyzing how the object's motion has altered the frequency of the returned signal.

  9. Distant Early Warning Line - Wikipedia

    en.wikipedia.org/wiki/Distant_Early_Warning_Line

    A rough map of the three warning lines. From north to south: the Distant Early Warning (DEW) Line, Mid-Canada Line, and Pinetree Line. The Distant Early Warning Line, also known as the DEW Line or Early Warning Line, was a system of radar stations in the northern Arctic region of Canada, with additional stations along the north coast and Aleutian Islands of Alaska (see Project Stretchout and ...