Instrument flying of aircraft, by means of visual airway direction finder developed at U. S. Bureau of Standards; visible radio resembled ordinary compass; needle-like reed moved by electric impulses received from radio beacon, and is located on dashboard of plane.
Radio direction finder
Popular Aviation
Popular Aviation and Aeronautics ; 2 , n 5
1928
Article (Journal)
English
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Simon radio range- and direction-finder
Engineering Index Backfile | 1934
Evaluation of Model CXFF Radio Direction Finder
NTIS | 1946
|Engineering Index Backfile | 1938
Engineering Index Backfile | 1938
Engineering Index Backfile | 1938