Technique for producing picture of topography of sea bottom and for identification of wrecks consists of fan-shaped-type Asdic beam which is fitted downwards by angle appropriate to depth of water; instead of being trainable, transducer is fixed so as to transmit only on ship's beam; comparison between "shadow" and " searchlight" Asdics is made and series of trials conducted in Oct 1963 reported.


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    Title :

    Asdics for wreck location


    Additional title:

    Dock Harbour Authority


    Contributors:

    Published in:

    Dock and Harbour Authority ; 44 , n 517 ; p 234-236


    Publication date :

    1963


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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