Precision system for underway underwater acoustic measurements of ships or submarines and accurate navigation of submersible about reference point has been developed by Presearch, Inc, Silver Spring, Md; called SONAFIX, instrument measures distance from surface ship or submarine to hydrophone array; single-range system, designated ARI-102, consists of two stable frequency standards that are synchronized by radio link with ship being ranged; ARI-102B is one-way ranging instrument with beacon to provide bearing to test ship from fixed point to its sonar. (19887)


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    Title :

    Underwater acoustic ranging system


    Additional title:

    Undersea Technol


    Published in:

    Publication date :

    1968


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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