DCF77

DCF77 is a longwave time signal radio station. The callsign stands for D=Deutschland (Germany), C=long wave signal, F=Frankfurt, 77=frequency: 77.5 kHz. It is run by The Physikalisch-Technische Bundesanstalt.

Related Topics:
Longwave - Time signal - Callsign - The Physikalisch-Technische Bundesanstalt

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DCF77 radio signals (set by an atomic clock) are broadcast on 77.5 kHz from Mainflingen, Germany, about 25 km south-east of Frankfurt. The signal can be received from a distance of 2000 km. There are two transmitters so it is rarely off the air.

Related Topics:
Atomic clock - Mainflingen - Germany - Frankfurt

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Radio clocks are popular in this region and use DCF77's signal to set their time automatically.

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