Proposed system using pulse technique to determine range of aircraft by interrogating slave beacon on ground; receiver combined with two or three ground stations constitutes radio navigational system; 1000 aircraft could use one beacon every 2 min; range reading indicated at intervals on meter.
Beacon range indicator
Electronic Eng
Electronic Engineering ; 23 , n 285
1951
4 pages
Aufsatz (Zeitschrift)
Englisch
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