Reception of S06s Russian Lady in 5, 6 and 13MHz on March 23

NUMBERS STATION   S06s Russian Lady in 5, 6 and 13MHz on March 23:
0900-0906 on  5744 unknown secret tx site to Eu Russian CUSB, fair
0910-0916 on  6524 unknown secret tx site to Eu Russian CUSB, good
0940-0946 on 13515 unknown secret tx site to Eu Russian CUSB, weak
https://www.youtube.com/watch?v=vqOUnAsZevU&feature=youtu.be
https://www.youtube.com/watch?v=OCvGdgMAlds&feature=youtu.be
https://www.youtube.com/watch?v=DBWUxFAT9Ic&feature=youtu.be