Work is progressing on aeronautical radio system projected along civil airways by Airway Division of Department of Commerce; 24 weather stations and eight rural beacon stations now rendering service to transport lines; 35 aural beacon stations to be completed by April or May; visual beacon with its reed indicator needs more experimentation and seven visual stations now under construction at laboratories of U. S. Lighthouse Service at Detroit will be installed at key points to further these experiments.
Airway radio progress
Aviation
Aviation ; 27 , n 20
1929
2 pages
2 Figs.
Article (Journal)
English
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