National Physical Laboratory

Why is my radio-controlled clock not showing the correct time?

It is possible that the batteries for your clock need replacing, which you should remedy in the first instance.

If this does not solve your problem, you may be suffering from signal reception problems. Click here to find solutions to many signal reception problems.

Occasionally the MSF signal transmitter may be temporarily out of action. Click here for a list of scheduled outages .

Last Updated: 14 Apr 2010
Created: 14 Apr 2010

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