Technical Specifications
The long-wave frequency used was 200 kHz until 1 February 1988 when it was changed to 198 kHz, and the power is currently 500 kW. The carrier frequency is controlled by a rubidium atomic frequency standard in the transmitter building, enabling the transmission to be used as an off-air frequency standard. For long-wave, a T-aerial is used, which is suspended between two 213 metres (699 ft) high guyed steel lattice masts, which stand 180 metres (591 ft) apart from each other. There are also two guyed mast radiators at the site, which are used for transmitting AM medium-wave radio programmes on 693 kHz, 1053 kHz and 1215 kHz.
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