Experimental testing of an Improved 3-Pulse Interrogation Side Lobe Suppression (SLS) System was conducted by the National Aviation Facilities Experimental Center (NAFEC) at three Radar Beacon System sites to determine system performance characteristics and suitability for operational use. The Improved 3-Pulse SLS System was designed to increase the signal level of the first interrogation pulse received by an aircraft transponder and thereby minimize transponder replies to interrogations from reflections. A method of transmitting the interrogation pulse from the Radar Beacon System omni-directional and directional antenna was developed. The proper interrogation pulse level required to be radiated from the omni-directional antenna to obtain proper suppression of reflected replies was determined by tests. In addition, the adaptability of the modified Air Traffic Control Beacon Interrogation Transmitter (ATCBI-3) to the Improved 3-Pulse SLS System was also analyzed and a field trial of the system was accomplished. It was concluded that the Improved 3-Pulse SLS System is effective in reducing the quantity of transponder replies to interrogations resulting from reflections and is suitable for application in the Air Traffic Control Radar Beacon System.


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    Titel :

    Experimental Testing of the Improved 3-Pulse Interrogation Side Lobe Suppression System


    Beteiligte:
    G. F. Spingler (Autor:in)

    Erscheinungsdatum :

    1965


    Format / Umfang :

    48 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch





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