Numbers station E11 Oblique on 15800 USB via Warsaw, August 15

NUMBERS STATION   Reception of Numbers station E11 Oblique on 15800 kHz USB via Warsaw, August 15:
0640-0649 on 15800*WWA ??? kW / unknown to Eu English USB mode. Good signal via SDR Tambov, Russia
* co-channel 15800 unknown kW / unknown to EaAs Chinese AM mode China National Radio-1 jammer vs.SOH
https://www.youtube.com/watch?v=ui46p1kZ_5k&feature=youtu.be
https://www.youtube.com/watch?v=MQ2qFeidIP8&feature=youtu.be