MacDonald, Alexander Forsyth, 1897-1965 · Port Credit, Ont. : Aviation Service Corporation · leaf 99
or receiving, e.g. A Loopin an aircrah: A Directional Radio Beacon Station, etc. ADF means Automatic Direction Finder, e.g. TheAutomatic Radio Compass. The fundamental principle of the Radio Compass isbased on the directional properties of the Loop Antenna.The Loop Antenna is a metal ring… … Fig. 5. Radio Compass Azimuth Dial. When the Loop is turned so that its plane is in linewith the transmitting station, a MAXIMUM signal isreceived (Fig. 6A). When the Loop is turned with its plane sidewise tothe station, a MINIMUM or NULL signal is received. Fig.6B). (In either case — a Maximum or…
Airplanes
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
