Beidweiler Longwave Transmitter

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Masts of Beidweiler longwave transmitter

The Beidweiler Longwave Transmitter is a high-power broadcasting transmitter for the French-speaking programme of RTL radio on the longwave frequency 234 kHz. The Beidweiler longwave transmitter, situated at 49°43'58" N and 6°19'08" E, at Beidweiler in Luxembourg, went in service in 1972 as replacement of the old Junglinster Longwave Transmitter.

The Beidweiler longwave transmitter uses a directional antenna consisting of three 951 foot/290 meter tall guyed masts, each equipped with a cage antenna. The output of this antenna is mostly directed toward Paris.

The transmitter, which had at time of inauguration in 1972 a transmission power of 1400 kW, which was pushed up to 2000 kilowatts in 1974 belongs to the most powerful broadcasting stations in the world. In 1994 the transmitters of the facility were replaced by new devices of the type Thomson-Csf TRE 2175. A new Transradio TRAM/P 1500LS transmitter came into service in 2011. Its maximum power is 1500 kW (reduced to 1000 kW at night, on weekends[1] or in case of a possible future DRM operation); since 2020 the output power is set to 750 or 375 kW.[2]


  1. ^ "RTL 234 kHz power, April 2018 / August 2020".
  2. ^ "MWLIST quick and easy: Europe, Africa and Middle East - 234 kHz". Retrieved October 9, 2020.

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Coordinates: 49°43′49″N 6°19′14″E / 49.73033°N 6.32058°E / 49.73033; 6.32058