a medium-wave broadcast

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• 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

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

• Extended AM broadcast band — The extended MW broadcast band (sometimes known as the X band) is a medium wave broadcast allocation (1629 kHz–1715 kHz). The band became officially available c. 1993 only in ITU Region 2 (North and South America). It is popular with… …   Wikipedia

• Wave (audience) — Stadium crowd performing the wave at the Confederations Cup 2005 in Frankfurt The wave (North American) or the Mexican wave (outside North America) is an example of metachronal rhythm achieved in a packed stadium when successive groups of… …   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

• long wave — noun a radio wave with a wavelength longer than a kilometer (a frequency below 300 kilohertz) • Hypernyms: ↑radio wave, ↑radio emission, ↑radio radiation * * * long wave, adj. 1. Elect. an electromagnetic wave over 60 meters in length. 2. See …   Useful english dictionary

• List of North American broadcast station classes — This is a list of broadcast station classes applicable in much of North America under international agreements between the United States, Canada and Mexico. Effective radiated power (ERP) and height above average terrain (HAAT) are listed unless… …   Wikipedia

• Audience wave — The wave ( British English: Mexican wave ; also stadium wave), is achieved in a packed stadium when successive groups of spectators briefly stand and raise their arms. Each spectator is required to rise at the same time as those straight in front …   Wikipedia

• short-wave — shortˈ wave adjective • • • Main Entry: ↑short * * * short wave, a radio wave having a wave length of 60 meters or less. Short waves range from medium frequency to UHF bands and are used to broadcast to foreign countries, in frequency modulation… …   Useful english dictionary

• short|wave — short wave, a radio wave having a wave length of 60 meters or less. Short waves range from medium frequency to UHF bands and are used to broadcast to foreign countries, in frequency modulation broadcasting, in television programs, and for… …   Useful english dictionary

• Digital Radio Mondiale — (abbreviated DRM; mondiale being Italian and French for worldwide ) is a set of digital audio broadcasting technologies designed to work over the bands currently used for AM broadcasting, particularly shortwave. DRM can fit more channels than AM …   Wikipedia