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  2. Precision approach radar - Wikipedia

    en.wikipedia.org/wiki/Precision_Approach_Radar

    Precision approach radar or PAR is a type of radar guidance system designed to provide lateral and vertical guidance to an aircraft pilot for landing, until the landing threshold is reached. [1] Controllers monitoring the PAR displays observe each aircraft 's position and issue instructions to the pilot that keep the aircraft on course and ...

  3. Cassegrain antenna - Wikipedia

    en.wikipedia.org/wiki/Cassegrain_antenna

    A beam waveguide antenna is a type of complicated Cassegrain antenna with a long radio wave path to allow the feed electronics to be located at ground level. It is used in very large steerable radio telescopes and satellite ground antennas, where the feed electronics are too complicated and bulky, or requires too much maintenance and alterations, to locate on the dish; for example those using ...

  4. JNR Class EF10 - Wikipedia

    en.wikipedia.org/wiki/JNR_Class_EF10

    18,380 mm (60 ft 3 + 5 ... Locomotives EF10 30 to 33 continued with the same welded angular body design, but used cast bogie frames. [1] EF10 30-33. EF10 34 - 41

  5. Sector antenna - Wikipedia

    en.wikipedia.org/wiki/Sector_antenna

    Typical GSM sector antenna outdoor unit. A sector antenna is a type of directional microwave antenna with a sector-shaped radiation pattern.The word "sector" is used in the geometric sense; some portion of the circumference of a circle measured in degrees of arc. 60°, 90° and 120° designs are typical, often with a few degrees 'extra' to ensure overlap and mounted in multiples when wider or ...

  6. Q-par Angus - Wikipedia

    en.wikipedia.org/wiki/Q-par_Angus

    Q-par Angus was a designer and manufacturer of microwave and RF antennas for commercial and defense use; in May 2013 the company was acquired by Solid State PLC. [ 1 ] The company was formed in 1973 in Birmingham, UK, by Dr Richard Holliday and his wife Jenny Holliday.

  7. AN/MPN - Wikipedia

    en.wikipedia.org/wiki/AN/MPN

    AN/MPN-25 ITT product that scans the PAR coverage area and capable of scanning 360 degree using the same antenna. The system then process the raw target data to form a data word sending it to a computer display operating on Solaris. It is a 30 nmi (56 km) asr coverage and 20 nmi (37 km) PAR coverage.

  8. Transponder landing system - Wikipedia

    en.wikipedia.org/wiki/Transponder_Landing_System

    The TLS facility interrogates the transponders of all aircraft within 100 nautical miles (190 km). After receiving a response, TLS determines the aircraft's location using three sets of antenna arrays: one for horizontal position using monopulse techniques, the other for vertical monopulse [1] and a third for trilateration.

  9. AN/APG-66 - Wikipedia

    en.wikipedia.org/wiki/AN/APG-66

    The AN/APG-66 radar is an X-band [1] solid state medium range (up to 80 nautical miles (150 km; 92 mi)) pulse-Doppler planar array radar originally designed by the Westinghouse Electric Corporation (now Northrop Grumman) for use in early generations of the F-16 Fighting Falcon.

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