Reception of E11 Oblique in 19mb/41mb on May 22

NUMBERS STATION   Reception of E11 Oblique in 19mb/41mb on May 22
0640-0643 on 15800 unknown secret tx site to Eu English USB, fair
0745-0748 on 15720 unknown secret tx site to Eu English USB, weak
0900-0903 on  7439 unknown secret tx site to Eu English USB, good
https://www.youtube.com/watch?v=TUHZHkoryIQ&feature=youtu.be
https://www.youtube.com/watch?v=Hsx4nwXX3Ck&feature=youtu.be
https://www.youtube.com/watch?v=OjMSMWF_FEg&feature=youtu.be