Direction finding (DF), or radio direction finding (RDF), is the use of radio waves to determine the direction to a radio source. The source may be a cooperating...
73 KB (10,463 words) - 04:13, 8 April 2024
(NW). The intermediate direction of every set of intercardinal and cardinal direction is called a secondary intercardinal direction. These eight shortest...
27 KB (2,939 words) - 19:01, 15 April 2024
direction finding (ARDF, also known as radio orienteering, radio fox hunting and radiosport) is an amateur racing sport that combines radio direction...
33 KB (4,115 words) - 09:50, 29 October 2023
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...
25 KB (3,658 words) - 21:10, 11 April 2024
History of radar (redirect from Range and direction finding)
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...
151 KB (22,276 words) - 16:51, 14 May 2024
Doppler radio direction finding, also known as Doppler DF, is a radio direction finding method that generates accurate bearing information with a minimum...
16 KB (2,295 words) - 14:32, 17 May 2024
Signals intelligence (section Direction-finding)
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...
54 KB (6,786 words) - 00:47, 4 June 2024
Adcock antenna (section Radio direction finding)
azimuthal direction a radio signal was coming from in order to find the location of the radio transmitter; a process called radio direction finding. Prior...
8 KB (744 words) - 15:00, 29 September 2023
Y service (section Direction-finding Y stations)
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...
12 KB (1,221 words) - 18:37, 26 February 2024
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...
10 KB (1,946 words) - 13:37, 3 January 2024