very high-frequency direction finder

См. также в других словарях:

• direction finder — A radio receiver equipped with a directional sensing antenna used to take bearings on a radio transmitter. Specialized radio direction finders are used in aircraft as air navigation aids. Others are ground based, primarily to obtain a “fix” on a… …   Aviation dictionary

• direction finder — direction finding. Radio. a receiver with a loop antenna rotating on a vertical axis, used to ascertain the direction of incoming radio waves. [1910 15] * * * ▪ instrument or  radio direction finder        radio receiver and antenna system for… …   Universalium

• Radio direction finder — Civil Air Patrol members practice using a handheld radio direction finder to locate an emergency locator transmitter …   Wikipedia

• Direction finding — (DF) refers to the establishment of the direction from which a received signal was transmitted. This can refer to radio or other forms of wireless communication. By combining the direction information from two or more suitably spaced receivers… …   Wikipedia

• VHF/DF — Very High Frequency Direction Finder NASA …   Acronyms

• VHF/DF — Very High Frequency Direction Finder ( > NASA Acronym List ) …   Acronyms von A bis Z

• Medium frequency — Frequency range 0.3 to 3 MHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 …   Wikipedia

• Signals intelligence — SIGINT redirects here. For the UNIX signal, see SIGINT (POSIX). RAF Menwith Hill, a large site in the United Kingdom, part of ECHELON and the UK USA Security Agreement. Signals intelligence (often contracted to SIGINT) is intelligence gathering… …   Wikipedia

• List of World War II electronic warfare equipment — This is a List of World War II electronic warfare equipment and code words and tactics derived directly from the use of electronic equipment.Equipment and code words*AI (Airborne Interception) British night fighter radars *Airborne Cigar (A.B.C.) …   Wikipedia

• OP-20-G — Active July 1, 1922 July 10, 1946 Allegiance United States Branch US Navy Type Code and Signal Section Role Signals intelligence …   Wikipedia

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