Text of "WMLK Radio DRM transmission with Ampegon TSW2300 transmitter - stay tuned @ 9275kHz".
That equipment is capable of 150 kW mean power with 9 dB crest factor. HFCC shows they are targeting Europe on that frequency at that time.
It is thought the DRM ID intro to their analogue broadcast occurs when they boot the Ampegon software to start the transmitter. It may not actually be by choice! Look for it on 9275 kHz at 2258 to 2300.