- High & Very high frequency Direction Finder
- Abbreviation: HVDF
Универсальный русско-английский словарь. Академик.ру. 2011.
High & Very high frequency Direction Finder
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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
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
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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
Medium frequency — Frequency range 0.3 to 3 MHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 … 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
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
Signals intelligence in modern history — This article is a subset article of the article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with signals intelligence in the… … Wikipedia
