Some radio direction finding equipment popular with mobile transmitter hunters operates on the time difference of arrival principal.
22.
A practical example of obtaining a position fix would be for a ship to take radio direction finding.
23.
Furthermore, others, such as radio direction finding and information from prisoners, are insufficiently precise to'fix'a target for artillery attack.
24.
An order for " Radio silence " is generally issued by the military where any radio radio direction finding.
25.
On 25 September, Lympne was one of a number of airfields which began operating a radio direction finding service.
26.
HRS will be the sponsoring organization for the 2010 Amateur Radio Direction Finding World Championships to be held in Dubrovnik.
27.
UARL promotes amateur radio in Ukraine by sponsoring amateur radio operating awards, radio contests, and amateur radio direction finding competitions.
28.
The IARU also promulgates the rules used by most competitions in amateur radio direction finding, including IARU-sponsored regional and world championships.
29.
In addition to High Speed Telegraphy and Amateur Radio Direction Finding, BFRR now supports a wide variety of amateur radio activities.
30.
Aware of the danger presented by radio direction finding ( RDF ), the Kriegsmarine developed various systems to speed up broadcast.
