Langenberg is a quarter in Velbert
Velbert is a town in the district of Mettmann, in North Rhine-Westphalia, Germany. Langenberg, a district of Velbert, is well known as the location of the Sender Langenberg transmitter site.-Geography:...

, a German
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 city. Located in this district is the famous Sender Langenberg
Sender Langenberg
The Langenberg transmission tower is a broadcasting station that transmits MW, FM and TV signals. It is located in Langenberg, Velbert, Germany and has had a very turbulent history since its inauguration...

 transmission site, which transmits MW, FM
Frequency modulation
In telecommunications and signal processing, frequency modulation conveys information over a carrier wave by varying its instantaneous frequency. This contrasts with amplitude modulation, in which the amplitude of the carrier is varied while its frequency remains constant...

, and TV
Television is a telecommunication medium for transmitting and receiving moving images that can be monochrome or colored, with accompanying sound...

broadcasting signals.
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