skywave

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• Skywave — is the propagation of electromagnetic waves bent (refracted) back to the Earth s surface by the ionosphere. As a result of skywave propagation, a broadcast signal from a distant AM broadcasting station at night, or from a shortwave radio station… …   Wikipedia

• skywave — sky wave n. A radio wave that travels upward. * * * …   Universalium

• Near Vertical Incidence Skywave — An NVIS antenna configuration is a horizontally polarized radiating element. Near Vertical Incidence Skywave, or NVIS, is a radio wave propagation method that provides usable signals in the range between groundwave and skywave distances (usually… …   Wikipedia

• Co-channel interference — or CCI is crosstalk from two different radio transmitters using the same frequency. There can be several causes of co channel radio interference; four examples are listed here. Cellular Mobile Networks: In cellular mobile communication (GSM LTE… …   Wikipedia

• Medium wave — Main article: Medium frequency Medium wave (MW) is the part of the medium frequency (MF) radio band used mainly for AM broadcasting. For Europe the MW band ranges from 526.5 kHz to 1606.5 kHz[1] and in North America an extended MW… …   Wikipedia

• 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

• Clear-channel station — This article is about class A/class I protected AM stations. For stations owned by the company named Clear Channel, see Clear Channel Communications. A clear channel station is an AM band Radio station in North America that has the highest… …   Wikipedia

• Skip zone — When using medium to high frequency radio telecommunication, there are radio waves which travel both parallel to the ground, and towards the ionosphere, referred to as a ground wave and sky wave, respectively. A skip zone is an annular region… …   Wikipedia

• Surface wave — Diving grebe creates surface waves In physics, a surface wave is a mechanical wave that propagates along the interface between differing media, usually two fluids with different densities. A surface wave can also be an electromagnetic wave guided …   Wikipedia

• Citizens' band radio — Typical 1980s CB base station, used with outdoor antenna. This radio may also be used in an automobile, since it is powered by 13.8V DC. Shown with Astatic Power D 104 desk mic …   Wikipedia

• Oliver Ackermann — Born Allentown, Pennsylvania Origin Fredericksburg, Virginia Genres Psychedelic rock Space Rock Shoegazing Occupations M …   Wikipedia