Medium wave (MW) is a part of the medium frequency (MF) radio band used mainly for AM radio broadcasting. The spectrum provides about 120 channels with...

the medium. Other examples of mechanical waves are seismic waves, gravity waves, surface waves and string vibrations. In an electromagnetic wave (such...

This is an incomplete list of medium wave transmitters in Europe. The emitted AM radio signal can be received on AM radios across Europe, depending on...

TX in technical documents) is an electronic device which produces radio waves with an antenna with the purpose of signal transmission up to a radio receiver...

shock wave (also spelled shockwave), or shock, is a type of propagating disturbance that moves faster than the local speed of sound in the medium. Like...

can occur because the medium is moving in the direction opposite to the movement of the wave, or it can arise in a stationary medium as a result of interference...

spectrum with wavelengths longer than what was originally called the medium-wave broadcasting band. The term is historic, dating from the early 20th century...

2021 at 0930 UTC, as part of the BBC's programme of switching off their medium wave services around the UK. BBC Radio 4's mediumwave services from this transmitter...

Virgin Media channel 917. RTÉ Radio 1 was available until 2008 on medium wave. The medium-wave transmitters of RTÉ Radio 1 were shut down at 15.00 on 24 March...

oscillations. All waves move energy from place to place without transporting the matter in the transmission medium if there is one. Electromagnetic waves are transverse...

for long wave and medium wave radio transmission that started service on 12 October 1936. The site is owned by Arqiva and houses a long wave radio transmitter...

consisting of five ground-fed guyed masts was built nearby for the 1467 kHz medium wave frequency, which was previously transmitted from a transmitter at La...

material medium, they are slowed depending on the medium's permeability and permittivity. Air is tenuous enough that in the Earth's atmosphere radio waves travel...

depends on the medium (for example, vacuum, air, or water) that a wave travels through. Examples of waves are sound waves, light, water waves and periodic...

typically imposed on a wave of some kind suitable for the chosen medium. For example, data can modulate sound, and a transmission medium for sounds may be...

with line-of-sight propagation that requires no medium, and skywave via the ionosphere. Ground wave is important for radio signals below 30 MHz, but...

Longitudinal waves are waves in which the vibration of the medium is parallel to the direction the wave travels and displacement of the medium is in the...

physics, a mechanical wave is a wave that is an oscillation of matter, and therefore transfers energy through a material medium. (Vacuum is, from classical...

rebroadcast of the already AM radio stations. In 2000, AM stations (on the medium wave band) started a phase of simulcasting to FM band, as of 2013, only one...

of 300 kilohertz (kHz) to 3 megahertz (MHz). Part of this band is the medium wave (MW) AM broadcast band. The MF band is also known as the hectometer band...

waves or energy Active laser medium (also called gain medium or lasing medium), a quantum system that allows amplification of power (gain) of waves passing...

Premier Christian Radio was founded in 1994, broadcasting exclusively on medium wave to a Greater London audience when it also began its telephone counselling...

radio waves which travel in a straight line from the transmitting antenna to the receiving antenna. Line of sight transmission is used for medium-distance...

waves that propagate in a medium, such as sound waves, the velocity of the observer and of the source are relative to the medium in which the waves are...

The Brookmans Park transmitting station is a facility for medium wave (MW) broadcasting at Brookmans Park, Hertfordshire, north of London (grid reference...

propagation velocity of a seismic wave depends on density and elasticity of the medium as well as the type of wave. Velocity tends to increase with depth...

audio radio transmissions, and is still used worldwide, primarily for medium wave (also known as "AM band") transmissions, but also on the longwave and...

redirection of a wave as it passes from one medium to another. The redirection can be caused by the wave's change in speed or by a change in the medium. Refraction...

areas involving elastic waves, S waves, secondary waves, or shear waves (sometimes called elastic S waves) are a type of elastic wave and are one of the two...

available on DAB+ across the whole of Denmark. The World Service employed a medium wave transmitter at Orford Ness to provide English-language coverage to Europe...