Re. https://mediumwave.info/2022/12/27/russia-64/
Maybe from Moscow, 75 kW.
http://www.radioscanner.ru/forum/topic30247-510.html
http://www.radioscanner.ru/files/download/file22154/raspsdr.psokiwi.net_2022-12-27t13_00_15z_549.082_sam.wav
There is a recording, but this is радио россии – not маяк.
Maybe – just a rumor – it could be Noginsk – big new ARRT there. There were tests for WRN on 738 and it already operated on 549 in the past – with 75 kW.
Marco (2022-12-28)