Principles of acoustic altimetry; design and operation of Behm acoustic sounding device; ground and flight tests; mean error of plus 11.4 ft. for acoustic method in adverse weather conditions. (see also Nat. Advisory Committee Aeronautics -- Tech. Memo., no. 588, Oct. 1930, 18 pp., 12 figs.)
Behm altimeter for airplanes and its accuracy
Das Behmlot fuer Flugzeuge und die mit ihm erzielte Genauigkeit
1930
8 pages
9 Figs.
Article (Journal)
English
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Behm altimeter for airplanes and its accuracy
Engineering Index Backfile | 1930
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