Mainflingen longwave transmitter is a large facility for commercial longwave transmissions at

Mainflingen Mainflingen is a village and part (''Ortsteil'') of the municipality Mainhausen, in the district of Offenbach in Hesse with about 4000 inhabitants. It is known for its time signal transmitter, DCF77, which controls almost all radio clocks in Wes ...

Hesse Hesse (, , ) or Hessia (, ; german: Hessen ), officially the State of Hessen (german: links=no, Land Hessen), is a States of Germany, state in Germany. Its capital city is Wiesbaden, and the largest urban area is Frankfurt. Two other major histor ...

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

, which was built in 1956. It uses several T- and triangle antennas, which are mounted on guyed masts of lattice steel, insulated against ground. The used masts have heights between 150 metres and 200 metres. Southeast of the main antenna area, which is completely fenced in, but still north of the motorway A3 there is a further T-antenna, which is mounted on two guyed masts of lattice steel insulated against ground. Further there is a tower built of prefabricated concrete segments for mobile phone services close to the transmitter building. All transmitters using the facility have a

call sign In broadcasting and radio communications, a call sign (also known as a call name or call letters—and historically as a call signal—or abbreviated as a call) is a unique identifier for a transmitter station. A call sign can be formally assigne ...

starting with DCF. The best known of them is

DCF77 DCF77 is a German longwave time signal and standard-frequency radio station. It started service as a standard-frequency station on 1 January 1959. In June 1973 date and time information was added. Its primary and backup transmitter are located ...

longwave In radio, longwave, long wave or long-wave, and commonly abbreviated LW, refers to parts of the radio spectrum with wavelengths longer than what was originally called the medium-wave broadcasting band. The term is historic, dating from the e ...

time signal A time signal is a visible, audible, mechanical, or electronic signal used as a reference to determine the time of day. Church bells or voices announcing hours of prayer gave way to automatically operated chimes on public clocks; however, audi ...

and standard-

frequency Frequency is the number of occurrences of a repeating event per unit of time. It is also occasionally referred to as ''temporal frequency'' for clarity, and is distinct from ''angular frequency''. Frequency is measured in hertz (Hz) which is eq ...

radio station. In earlier times the facility was also used for longwave broadcasting, especially as backup transmitter for

Sender Donebach The Sender Donebach was a 500-kilowatt long wave radio transmitter operating on 153 kHz and transmitting the program of German public broadcaster Deutschlandfunk. The facility, which was the property of Media Broadcast, was built between 19 ...

External links

multiple Antennas in Wikimapia

single Antenna in Wikimapia
* https://maps.google.com/maps?ie=UTF8&t=h&om=0&z=16&ll=50.007491,9.016171&spn=0.005489,0.014462 * https://maps.google.com/maps?ie=UTF8&t=h&om=0&z=16&ll=50.015695,9.011836&spn=0.005488,0.014462 {{coord missing, Hesse Radio masts and towers in Germany Buildings and structures in Offenbach (district) 1956 establishments in West Germany

See also

External links