234 kHz
In reply Mike Usher advises on Facebook:
It’s back on now. Looks like same power level as normal. MW List now states is broadcast times as 04-23 UTC.

Mike Terry to Longwaveradiolistening iog (2022-03-13)

Perhaps its just a case of energy savings over night, with the v high price of energy.

Mike (2022-03-13)