UVB-76

UVB-76
A spectrogram of UVB-76, showing the suppressed lower sideband
Broadcast areaRussia, Soviet Union (formerly)
Frequency4625 kHz shortwave
Programming
LanguageRussian
FormatRepeated buzzing sound
Ownership
OwnerRussian Armed Forces
The Pip, The Squeaky Wheel
History
Former call signs
УЗБ-76 (Commonly mistaken to be УВБ-76), МДЖБ, ЖУОЗ, АНВФ
Former frequencies
4625 kHz
Links
A short clip of UVB-76's transmission as recorded in Southern Finland, 860 km (530 mi) away from the station in 2002.
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UVB-76 (Russian: УВБ-76; see § Name and callsigns for other callsigns), also known by the nickname "The Buzzer", is a shortwave radio station that broadcasts in upper sideband mode on the frequency of 4625 kHz (wavelength of 64.8 m). It broadcasts a short, monotonous buzz tone, repeating at a rate of approximately 25 tones per minute, 24 hours per day. Sometimes, the buzzer signal is interrupted and a voice transmission in Russian takes place.