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1 beyond-the-horizon propagation
beyond-the-horizon propagation Überhorizontausbreitung f, Überreichweite f (von elektromagnetischen Wellen durch Tropo- und Ionosphären-Scatter)English-German dictionary of Electrical Engineering and Electronics > beyond-the-horizon propagation
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Non-line-of-sight propagation — Non line of sight (NLOS) or near line of sight is a term used to describe radio transmission across a path that is partially obstructed, usually by a physical object in the innermost Fresnel zone. Many types of radio transmissions depend, to… … Wikipedia
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Radio propagation — is a term used to explain how radio waves behave when they are transmitted, or are propagated from one point on the Earth to another. [ H. P. Westman et al, (ed), Reference Data for Radio Engineers, Fifth Edition , 1968, Howard W. Sams and Co.,… … Wikipedia
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Kennelly-Heaviside layer — The Kennelly Heaviside layer, also known as the E region or simply the Heaviside layer, is a layer of ionised gas occurring at 90 ndash;150 km above the ground mdash; one of several layers in the Earth s ionosphere. It reflects medium frequency… … Wikipedia
Anomalous propagation — In Radio: Anomalous propagation includes different forms of electromagnetic wave propagation that are not encountered in a standard atmosphere. While technically the term includes propagation with larger losses than in standard atmosphere, in… … Wikipedia
British DX Club — The British DX Club (abbreviated form BDXC ) is an association of radio hobbyists, based in the United Kingdom. It caters mainly for, though not exclusively, DXers and Short Wave listeners. It was founded in 1974 and was originally known as the… … Wikipedia
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telecommunications media — Introduction equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation Every… … Universalium
radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… … Universalium
Kenneth Bullington — (January 11, 1913 May 30, 1984) was an American electrical engineer known for his studies of radio propagation.Bullington work at Bell Labs, Holmdel, New Jersey. Between 1950–1951, he performed pioneering resarch on tropospheric scatter,… … Wikipedia