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  2. Radar detector - Wikipedia

    en.wikipedia.org/wiki/Radar_detector

    An early radar detector Car radar detector (Japanese) A radar detector is an electronic device used by motorists to detect if their speed is being monitored by police or law enforcement using a radar gun. Most radar detectors are used so the driver can reduce the car's speed before being ticketed for speeding.

  3. List of radar types - Wikipedia

    en.wikipedia.org/wiki/List_of_radar_types

    RAF Boeing E-3 Sentry AEW1 with rotating radar dome.The dome is 30 ft (10 m) across. The E-3 is accompanied by two Panavia Tornado F3.. Early Warning (EW) Radar Radar Systems

  4. List of radars - Wikipedia

    en.wikipedia.org/wiki/List_of_radars

    A comprehensive list of radars, including airborne and naval systems, featured on Wikipedia.

  5. Radar detector detector - Wikipedia

    en.wikipedia.org/wiki/Radar_detector_detector

    A radar detector detector (RDD) is a device used by police or law enforcement in areas where radar detectors are declared illegal. Radar detectors are built around a superheterodyne receiver , which has a local oscillator that radiates slightly.

  6. History of radar - Wikipedia

    en.wikipedia.org/wiki/History_of_radar

    Tiberio prepared a report on developing an experimental apparatus that he called telemetro radiofonico del rivelatore (RDT, Radio-Detector Telemetry). The report, submitted in mid-1936, included what was later known as the radar range equation.

  7. Radar speed gun - Wikipedia

    en.wikipedia.org/wiki/Radar_speed_gun

    Some motorists install radar detectors which can alert them to the presence of a speed trap ahead, and the microwave signals from radar may also change the quality of reception of AM and FM radio signals when tuned to a weak station. For these reasons, hand-held radar typically includes an on-off trigger and the radar is only turned on when the ...

  8. Perimeter surveillance radar - Wikipedia

    en.wikipedia.org/wiki/Perimeter_Surveillance_Radar

    Perimeter surveillance radar (PSR) is a class of radar sensors that monitor activity surrounding or on critical infrastructure areas such as airports, [1] seaports, military installations, national borders, refineries and other critical industry and the like.

  9. Radar - Wikipedia

    en.wikipedia.org/wiki/Radar

    Radar is a system that uses radio waves to determine the distance (), direction (azimuth and elevation angles), and radial velocity of objects relative to the site. It is a radiodetermination method [1] used to detect and track aircraft, ships, spacecraft, guided missiles, motor vehicles, map weather formations, and terrain.

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