WINB Fall DRM schedule :
Mon-Fri only:
7315 kHz 062 deg. 0700-0900 UTC
9265 kHz 062 deg. 0900-1100 UTC
13690 kHz 062 deg. 1100-1700 UTC
On weekdays, time between 1700 and first scheduled AM broadcast is occasionally used for transmitter testing on 9265 kHz, often DRM.
(WINB @SWWINB on twitter)