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  2. ASR-9 - Wikipedia

    en.wikipedia.org/wiki/ASR-9

    The ASR-9 monitoring system was formally designated by the FAA to be used as a Primary Radar replacement, as well as a live weather condition monitor utilized from the Air Traffic Control tower. ASR-9 was the first Radar System to enable the detection of a moving target with circular polarization, therefore significantly enhancing the ability ...

  3. Airport surveillance radar - Wikipedia

    en.wikipedia.org/wiki/Airport_surveillance_radar

    An airport surveillance radar (ASR) is a radar system used at airports to detect and display the presence and position of aircraft in the terminal area, the airspace around airports. It is the main air traffic control system for the airspace around airports. At large airports it typically controls traffic within a radius of 60 miles (96 km) of ...

  4. Air traffic control - Wikipedia

    en.wikipedia.org/wiki/Air_traffic_control

    Air traffic control (ATC) is a service provided by ground-based air traffic controllers who direct aircraft on the ground and through a given section of controlled airspace, and can provide advisory services to aircraft in non-controlled airspace. The primary purpose of ATC is to prevent collisions, organize and expedite the flow of traffic in ...

  5. Air traffic control radar beacon system - Wikipedia

    en.wikipedia.org/wiki/Air_traffic_control_radar...

    The air traffic control radar beacon system (ATCRBS) is a system used in air traffic control (ATC) to enhance surveillance radar monitoring and separation of air traffic. It consists of a rotating ground antenna and transponders in aircraft. The ground antenna sweeps a narrow vertical beam of microwaves around the airspace.

  6. ASR-11 - Wikipedia

    en.wikipedia.org/wiki/ASR-11

    60 NM (110 km; 69 mi) [1] Power. 2.1kW avg 25kW pk [1] ASR-11 is a Digital Airport Surveillance Radar (DASR,) an advanced radar system utilized by the United States as the next generation of terminal air traffic control. [1] The ASR-11 is an upgraded, advanced version of the previous ASR-9 radar. This next generation radar system has been ...

  7. List of radar types - Wikipedia

    en.wikipedia.org/wiki/List_of_radar_types

    Air traffic control uses primary and secondary radars. Primary radars are a "classical" radar which reflects all kind of echoes, including aircraft and clouds. Secondary radar emits pulses and listens for special answer of digital data emitted by an Aircraft Transponder as an answer.

  8. Get the Moses Lake, WA local weather forecast by the hour and the next 10 days. ... Much-needed rain helps wildfire suppression efforts, air quality across Northeast.

  9. 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 ...

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