DCF77 time code transmitter will remain in operation.
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 in Mainflingen, about 25 km south-east of Frankfurt am Main, Germany. The transmitter generates a nominal power of 50 kW, of which about 30 to 35 kW can be radiated via a T-antenna.
It operates on a frequency of 77.5 kHz.
Most European radio clocks and watches, and many industrial applications rely on its accurate time signals.
Its official range is 2,000 km (1,243 mi).It’s recently been announced that it will remain in operation for another 10 years, until 2031.
Mike Terry to Longwaveradiolistening iog (2021-11-30)