The annual maintenance shutdown of the MSF service to allow safe working on the masts and antennas will take place on 12 September 2019.
The service will be off-air from:
10:00 to 14:00 BST
If the weather is unsuitable for work to be carried out, then the service will not be turned off.
The MSF radio signal is a dedicated time broadcast that provides an accurate and reliable source of UK civil time, based on the NPL time scale UTC(NPL).