The MSF radio signal is a broadcasted Longwave signal which provides accurate and reliable UK civil time, based on the NPL time scale UTC(NPL). It is transmitted 24 hours a day and 7 days a week across the UK and beyond. The signal is transmitted with a frequency of 60 kHz and and a time and date code that can be received by radio clocks is modulated onto the carrier. The MSF signal is transmitted from Anthorn Radio Station in Cumbria. The antennas position at Anthorn is 54° 55′ N and 3° 15′ W. The transmission strength is about 17 kW. It can be received in the whole UK and under good conditions also in northern and western Europe.
MSF Time and Date Code
The MSF signal transmits time and date information in a binary-coded decimal format by on-off modulation of the carrier. The whole code is transmitted each minute, with 2 data bits every second of the minute except the first.
Here a few links to MSF radio clocks and MSF Time Servers:
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