UVB-76 'The Buzzer' 4625 kHz loud and clear at my new QTH on the JRC NRD525 - YouTube
UVB76 "The Buzzer" But NOT on 4625! | RadioReference.com Forums
Buzzer UVB-76 Shortwave 4625 kHz Daytime May 2018 - YouTube
Radio MDZhB | Hackaday
The ghostly radio station that no one claims to run - BBC Future
UVB76 The Buzzer heard on 4625 Khz Shortwave - YouTube
The mysterious Russian UVB-76 transmitter has been transmitting a mysterious signal in the shortwave band at a frequency of 4,625 kHz since the 1970s Stock Photo - Alamy
UVB-76 'The Buzzer' 4625 kHz no longer being jammed since Russia invaded Ukraine - YouTube