Amateur radio : how and why of wireless with complete instructions on operation of receiving outfits (1922)
Grainger, Maurice J · New York : James A. McCann · leaf 186
... . Baltimore, Md. Fourth District ... Norfolk, Va. Fifth District New Orleans, La. Sixth District San Francisco, Cal. Seventh District Seattle, Wash. Eighth District Detroit, Mich. Ninth District Chicago, 111. Tenth District (Alaska). .Seattle, Wash. No license is required for the operation ofa… … University ofConnecticut Libraries 39153028645937
Radio · Amateur radio stations
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