Russian station 'The Buzzer' - 4625 kHz

Russian Station ZhUOZ (ex-UVB-76) nicknamed "the buzzer", produces a constant buzzing.
Function officially unknown, probably channel marker.
Believed to be connected with "The Pip" and "The Squeaky Wheel" stations.
4625 kHz AM with suppressed LSB or USB
22-04-2017 UTC 19.12

Monitoring location: Belgium, Grid: JO20sm
Radio: Elad FDM-DUOr
Antenna: Bonito Megaloop ML-200
SDR Software: Elad FDM-SW2