According to Radio Studio X, it transmits in “AM Stereo” on 1188 kHz. So not digital in DRM, but analog in AM. Radio Studio X is known for being the only European medium wave transmitter to broadcast in AM stereo. It has already done this in the past, then on 1584 kHz.
There are still countries today where analogue broadcasts are in AM stereo, for example Australia and the USA.
Steffen Mehnert (2021-03-31)