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UVB-76, a.k.a "The Buzzer"

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Satellite photo of "The Buzzer's" previous location. On the outskirts of Povarovo, a small town 19 miles from Moscow.

The nickname that radio listeners have given a radio station. The transmissions could be coming one of three sites:

  1. Kirsino, a small Russian village located close to St. Petersburg.  The small village has a population of 39 people.
  2. Near the Estonian border lies Pskov Oblast. This is currently the most likely source of UVB-76, due to the multiple triangulation attempts that lead here.
  3. The last attempts put it very close to a transmitter array southeast of Kolpino that is reportedly used by the Russian government to transmit state radio across Russia.

History

Sometime in 1982 "The Buzzer " began broadcasting at a frequency of 4625 kHz. It was a repeating 2 second pip, changing to a buzzer in the early 1990's.  It changed to a higher tone with longer duration on 16 January 2003; approximately 20 tones per minute where reported.  It has since reverted to the previous tone pattern.  

The broadcast is a monotonous buzzing tone, repeating at a rate of approximately 25 tones per minute, for 24 hours per day.  This transmitted using AM with a suppressed lower sideband (R3E), but it has also used double-sideband AM

Radio Station UVB-76 (The Buzzer)

Radio Station UVB-76 (The Buzzer)

Radio Station UVB-76 (The Buzzer)

(A3E).  The sound lasts 1.2 seconds, pausing between 1-1.3 seconds, and repeats 21-34 times per minute.

On November 2010, the tones lasted aproximately 0.8 seconds each.  One minute before the hour, the repeating tone was replaced by a continuous, uninterrupted alternating tone, which continues for 1 minute before the short repeating buzz resumes; although this hasn't occurred since June 2010.


Voice Messages

On very rare instances there have reports of voice transmissions interrupting the signal.  

The voices were first reported at 9:58 p.m. GMT on 24 December 1997, after 15 years of only tones and buzzes, a male voice speaking Russian repeated the following message several times:

Ya — UVB-76. 18008. BROMAL: Boris, Roman, Olga, Mikhail, Anna, Larisa. 742, 799, 14″.

On 12 September 2002 another voice broke the silence.  This time so distorted that only part of the message could be understood.

“UVB-76, UVB-76. 62691 Izafet 3693 8270″

The third recorded voice message was 21 February 2006 the transmission received said: 

“75-59-75-59. 39-52-53-58. 5-5-2-5. Konstantin-1-9-0-9-0-8-9-8-Tatiana-Oksana-Anna-Elena-Pavel-Schuka. Konstantin 8-4. 9-7-5-5-9-Tatiana. Anna Larisa Uliyana-9-4-1-4-3-4-8.”


The names in the message are used by some Russian spelling alphabets, although some speculate it's a Numbers Station.  Transmitting encoded secrets to spies.  No one has yet to decoded the messages and the stations purposes is still unknown.

The solitary letter stations and the related pip/buzzer like stations, are definitely channel markers for Russian military stations, like Navy Kaliningrad (P).  

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