The action or process of determining from which direction radio waves are coming by means of a radio direction-finder; = "direction-finding"; abbreviated RDF.
Origin
Early 20th century; earliest use found in The Syracuse Herald.
Definition of radio direction finding in US English:
radio direction finding
noun
The action or process of determining from which direction radio waves are coming by means of a radio direction-finder; = "direction-finding"; abbreviated RDF.
Origin
Early 20th century; earliest use found in The Syracuse Herald.