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The Buzzer

Enigma ID S28

Spectrum image S28_sample.jpg

Name The Buzzer, Жужжалка, UVB-76 (mishearing of "UZB-76"), UZB-76 (pre 1997-2010), MDZhB (2010-2015), ZhUOZ (2016-present)
Frequencies 4625
Status Active
Voice Live male and female operators
Emission mode USB, often with carrier
Location Audio feed: St. Petersburg, Russia (60th Communication Hub "Vulkan", Staff of the Western Military District); Broadcast sites: near St. Petersburg, near Moscow

Russian

Activity pages

Download audio sample

Known counterpart stations Katok-65

"The Buzzer", known among Russian listeners as "Жужжалка" (tr. Zhuzhzhalka, English: Hummer), is a Russian military commandment network, serving the Western Military District. It broadcasts around the clock on 4625 kHz.

Aside from its signature channel marker, it broadcasts mainly the following types of messages, mostly addressed to all units in the Western Military District using the circular callsign ЖУОЗ (tr. ZhUOZ) with few exceptions:

This station also has a Morse code version, which sends the same messages nearly simultaneously with the voice version. However, its frequencies change seasonally. Channel separation problems have occasionally allowed the Morse code version to be heard behind the voice one.

The Buzzer's audio feed originates at the Sudak communication hub ("Agalatovo"). The main transmitter site is the 69th Communication Hub ("Iskra"), and the 60th Communication Hub ("Irtysh") is also occasionally used. The structure is built using old equipment, which fails quite often. Phone calls have been leaked on the air due to channel separation issues at the "Iskra" site.

The Buzzer is the most famous of Russian military commandment networks, and has been featured in the news internationally. It was first reported around 1976-1982. Prior to 1990, its channel marker was a short, high pitched tone emitted every two seconds. Prior to 14 April 2009, The Buzzer marker was continuous in the last minute of each hour. Until as late as September 2010, The Buzzer was transmitted from the former 143rd Communication Hub in Povarovo, and used the callsign "UZB-76". On September 7, 2010, the callsign was changed to "MDZhB", the transmitter was moved to its present location, and the activity has significantly increased, due to a much larger area to be covered (the new Western Military District; The Buzzer formerly served the Moscow Military District) - some facts and faces about The Buzzer site move can be found here (in Russian). On 28 December 2015, the station adopted a new and still current circular callsign, "ZhUOZ".

The Buzzer Stream

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