Flying by instruments; beacon system will probably render its principal service on fixed commercial airways; Bureau of Standards undertook to develop direction radio system for airplane navigation; directive radio beacon is special kind of radio station, usually located at airport, just off landing field; indicator on airplane shows when signals are received with equal intensity.
The aircraft radio beacon
Engrs. Eng
Engineers and Engineering ; 45 , n 9
1928
Article (Journal)
English
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Aircraft radio beacon development
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