(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 |
Doppler radio direction finding, also known as Doppler DF, is a radio direction finding method that generates accurate bearing information with a minimum... 15 KB (2,273 words) - 20:53, 29 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) - 01:08, 13 April 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 (6,795 words) - 05:37, 4 March 2024 |
Aliasing (section Direction finding) Aliasing has changed its apparent frequency of rotation. A reversal of direction can be described as a negative frequency. Temporal aliasing frequencies... 24 KB (2,558 words) - 12:02, 16 March 2024 |
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 |
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 |
navigation; do radio direction finding (RDF) if Earhart used her 500 kHz transmitter; use an experimental high-frequency direction finder for Earhart's... 141 KB (15,644 words) - 13:17, 28 April 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 |
important developments was ship-borne direction-finding radio equipment, known as HF/DF (high-frequency direction-finding, or Huff-Duff), which started to... 137 KB (18,068 words) - 00:53, 1 May 2024 |
systems use direction finding or triangulation of transmitter signals radiated by the mobile. This is sometimes called radio direction finding or RDF. The... 16 KB (2,313 words) - 20:14, 25 April 2024 |
improved convoy and anti-submarine tactics such as high-frequency direction finding and the Hedgehog anti-submarine system began to take a toll on the... 53 KB (7,139 words) - 13:46, 8 May 2024 |
experiments with direction finding radio equipment for the army in France in 1915. Hall instructed him to build a direction finding system for the navy... 74 KB (9,455 words) - 23:17, 30 December 2023 |
Orienteering (redirect from Traffic direction guidance) (IARU) sanctions the following orienteering sport: Amateur radio direction finding (Radio orienteering or ARDF) [including variants Fox Oring and Radio... 47 KB (4,976 words) - 04:00, 12 February 2024 |
Bondarenko and V.I. Slyusar. "Influence of jitter in ADC on precision of direction-finding by digital antenna arrays. // Radioelectronics and Communications... 5 KB (541 words) - 16:15, 9 January 2024 |
Radio navigation (section Radio direction finding) pp. 99–177. Kayton, Fried 1977, p.116 "An Introduction to Radio Direction Finding". Cognitive Ecology. October 22, 2021. Retrieved April 4, 2024. Murphy... 40 KB (5,305 words) - 20:06, 16 April 2024 |
Finding Nemo is a 2003 American animated comedy-drama adventure film produced by Pixar Animation Studios for Walt Disney Pictures. Directed by Andrew... 104 KB (9,839 words) - 15:08, 8 May 2024 |
or a wullenweber, is a large circular antenna array used for radio direction finding. They are used by military and government agencies to triangulate... 12 KB (1,736 words) - 09:02, 26 April 2024 |
Kurzsignale (section Radio direction finding) used until the end of the war Aware of the danger presented by radio direction finding (RDF), the Kriegsmarine developed various systems to speed up broadcast... 5 KB (610 words) - 13:33, 9 August 2023 |
Radiosport (section Amateur radio direction finding) championships. Radiosport also can refer to the sport of amateur radio direction finding (ARDF). Although they represent a broad range of amateur radio interests... 6 KB (782 words) - 20:51, 28 November 2023 |
rescue. As Search and Rescue approach the search areas, they use Direction Finding (DF) equipment to locate the beacon using the 121.5 MHz homing signal... 85 KB (10,109 words) - 05:28, 29 April 2024 |