Numbers station E11 Oblique on 9968 USB via Warsaw, September 21

NUMBERS STATION   Reception of Numbers station E11 Oblique on 9968 kHz USB via Warsaw, September 21
0900-0909 on  9968 WWA ??? kW / unknown to Eu English USB mode. Good signal via SDR Heimiswil, SUI.
https://www.youtube.com/watch?v=-MRtxfzfFMs&feature=youtu.be
https://www.youtube.com/watch?v=7woE_uOFvY8&feature=youtu.be