radar beacon :

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radar beacon

  • n  a device that, on receiving radar signals, transmits coded signals in response to help navigators determine their position
News & Articles

  • ANN's Daily Aero-Term (08.11.13): Discrete Code
    Discrete Code As used in the Air Traffic Control Radar Beacon System (ATCRBS), any one of the 4096 selectable Mode 3/A aircraft transponder codes except those ending in zero zero; e.g., discrete codes: 0010, 1201, 2317, 7777; nondiscrete codes: 0100, 1200, 7700. Nondiscrete codes are normally reserved for radar facilities that are not equipped with discrete decoding capability and for other ...
    Aug. 11, 2013 - The Aero-News Network

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