Microwave landing system programs show a variety of approaches to a proposed "universal" MLS for the future. Australia: An all C-band system using an electronically-scanned planar-beam antenna is being developed. France: Ground-derived system; signals from an airborne interrogator are subjected to angular measurement by ground sensors to determine aircraft position. Unit. Kingd.: Air-derived system utilizing a commutated Doppler scanning beam technique. West Germany: All-weather landing system (SEL-ITT; Siemens) is based on use of distance-measuring equipment, operates on L-band frequencies, using air-derived and ground-derived information. Responses to interrogation pulses from aircraft.


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    Title :

    Universal landing system plans vary


    Additional title:

    Universale Landesystemplaene variieren


    Published in:

    Publication date :

    1973


    Size :

    4 Seiten, 2 Bilder


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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