This sounder enables non-barometric determination of altitude by night or in fog which functions on acoustic principle of water sounder, the sound waves passing from airship to ground and return. Translated from German. See description in German in Berichte u. Abhandlungen der Wissenschaftlichen Gesellschaft fur Luftfahrt, no. 13, May 1926, pp. 56-75, 35 figs.


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    Titel :

    Behm acoustic sounder for aircraft


    Weitere Titelangaben:

    Nat. Advisory Committee Aeronautics -- Tech. Memorandums



    Erscheinungsdatum :

    1926


    Format / Umfang :

    5 pages


    Anmerkungen:

    3 Figs. on Supp. plates


    Medientyp :

    Report


    Format :

    Print


    Sprache :

    Englisch






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