18:54 UTC good match with TLE OBJECT E (NORAD 35869). Strong signals and much activity from groundstation
… CW beacon of RS-28
2 downlink frequencies: 435.365 MHz and 435.465 MHz

UHF spectrum 435.365 MHz with doppler correction (used TLE OBJECT E)

data transmission similiar to Yubileiny (RS-30) -> multiplex system