- radio duct
1. радиоканал
2. атмосферный волновод
Большой англо-русский и русско-английский словарь. 2001.
radio duct
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radio duct — The layer within which the state of superrefraction exists. The meteorological requirements for superrefraction conditions are the presence of a temperature inversion and the rapid decrease of height. Ducting seldom occurs below 1000 MHz. For the … Aviation dictionary
Radio waves — are electromagnetic waves occurring on the radio frequency portion of the electromagnetic spectrum. A common use is to transport information through the atmosphere or outer space without wires. Radio waves are distinguished from other kinds of… … Wikipedia
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duct — I. noun Etymology: New Latin ductus, from Medieval Latin, aqueduct, from Latin, act of leading, from ducere to lead more at tow Date: 1667 1. a bodily tube or vessel especially when carrying the secretion of a gland 2. a. a pipe, tube, or channel … New Collegiate Dictionary
Atmospheric duct — Fata Morgana of Farallon Islands with clearly seen duct In telecommunication, an atmospheric duct is a horizontal layer in the lower atmosphere in which the vertical refractive index gradients are such that radio signals (and light rays) (a) are… … Wikipedia
University Radio Essex — is a campus radio station at the University of Essex serving Wivenhoe Park in Colchester. It was one of the original University radio stations in the UK and with the other pioneering campus radio stations at York, Brunel, Loughborough, Sussex,… … Wikipedia
List of radio propagation topics — This is a list of radio propagation terms. NOTOC A a index A index aa index active prominence active prominence region (APR) active region active surge region (ASR) active dark filament (ADF) AE index Air Force Geophysics Laboratory (AFGL) arch… … Wikipedia
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in|duct|ance — «ihn DUHK tuhns», noun. 1. a) the property of an electric circuit by which an electromotive force is induced in it or in a nearby circuit. The tuner of a radio varies the inductance of its coils. b) a circuit or a device having this property. 2.… … Useful english dictionary
Columbia Workshop — Radio drama director William N. Robson and sons in 1948. Columbia Workshop was a radio series that aired on the Columbia Broadcasting System from 1936 to 1943, returning in 1946 47. Contents 1 Irving Reis … Wikipedia
List of problems solved by MacGyver — This is a list of problems that have been solved by the fictional character MacGyver from the television series of the same name. (This list is not yet comprehensive.) MacGyver employs his resourcefulness and his knowledge of chemistry,… … Wikipedia
