Reception of E11 Oblique in 19mb/41mb, July 3

NUMBERS STATION   Reception of E11 Oblique in 19mb/41mb, July 3:
0640-0643 on 15800 unknown secret tx site to Eu English USB, good
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=3pxKHs99O94&feature=youtu.be
https://www.youtube.com/watch?v=GKelpDCe3K4&feature=youtu.be
https://www.youtube.com/watch?v=g33ClC08LXY&feature=youtu.be