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Český rozhlas Vltava (culture, art and classical music) Český rozhlas Radiožurnál Sport (sporting events, thematic magazines, interviews and reports) Český rozhlas Radio Wave (youth radio via cable, digital, and internet only) Český rozhlas Plus (spoken-word, journalism) Český Rozhlas Region (regional radio with 14 regional channels)
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 the power.. Skywave propagation at night enables some stations to be heard far beyond the target reception area, sometimes by thousands of kilometres.
The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3,000 GHz (3 THz). Electromagnetic waves in this frequency range, called radio waves , are widely used in modern technology, particularly in telecommunication .
A large expansion of the number of ČRo stations took place in 2005. At that time, the D-dur, Rádio Česko and Leonardo circuits began broadcasting, and in 2006, ČRo Radio Wave station was added. [12] Czech Radio launched a new logo in 2013, featuring the letter R with stripes, at a cost of 2.2 million Czech koruna. [13]
The Roumoules transmitter is the main broadcasting facility for longwave and mediumwave broadcasting of Radio Monte Carlo near Roumoules, France [1] and is owned by Monaco Media Diffusion. The 1000 and 2000kW transmitters installed are among the most powerful in the world and can be received well at nighttime throughout Europe.
Medium frequency (MF) is the ITU designation [1] [2] for radio frequencies (RF) in the range 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 as the wavelengths range from ten to one hectometers (1000 to 100 m).
Radio propagation is the behavior of radio waves as they travel, or are propagated, from one point to another in vacuum, or into various parts of the atmosphere. [1]: 26‑1 As a form of electromagnetic radiation, like light waves, radio waves are affected by the phenomena of reflection, refraction, diffraction, absorption, polarization, and scattering. [2]
Equivalently, , the distance that a radio wave travels in vacuum in one second, is 299,792,458 meters (983,571,056 ft), which is the wavelength of a 1 hertz radio signal. A 1 megahertz radio wave (mid-AM band) has a wavelength of 299.79 meters (983.6 ft).
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