Explore: *direction Finding

Direction finding (DF), radio direction finding (RDF), or radiogoniometry is the use of radio waves to determine the direction to a radio source. The source

intermediate direction of every pair of neighboring cardinal and intercardinal directions is called a secondary intercardinal direction. These eight shortest

direction finding (ARDF, also known as radio orienteering, radio fox hunting and radiosport) is an amateur racing sport that combines radio direction

High-frequency direction finding, usually known by its abbreviation HF/DF or nickname huff-duff, is a type of radio direction finder (RDF) introduced in

cover for the work, meaning Range and Direction Finding but suggesting the already well-known Radio Direction Finding. Late in 1935, responding to Lindemann's

The Feste also had a Direction Finding platoon, which provided resources on demand. Communications between the Direction Finding sites and the Regiment

Round, working for Marconi, began carrying out experiments with direction-finding radio equipment for the army in France in 1915. By May 1915, the Admiralty

includes a sharp null in the direction normal to the plane of the loop, so small loops are favored as compact radio direction finding antennas for long wavelengths

Sundial#Using a sundial as a compass. Astronomy provides a method for finding direction at night. All the stars appear to lie on the imaginary celestial sphere

Sometimes both functions were operated at the same site, with the direction finding (D/F) hut being a few hundred metres from the main interception building