AKA the Buzzer, is a broadcast station on shortwave radio at the frequency 4625kHz. It is a monotonous tone, it happens at a rate of 25 tones per minute and continues 24 hours a day. There have been rare incidents where voice communications have occurred in Russian and it has been active from around the 1970-80’s. So far no set reason for the station has been given, they have been able to confirm that the origins of the station can be traced back to Russia but there is little more to go by than that. The station originally identified itself as UVB-76 until September 2010, but it then moved location and is now broadcasting as MD2hB.

It seems that when the voices come through they are live and maybe due to an accidental microphone being transmitted.  For instance is seems that there was a change 2011, 9th April there are an interruption and technicians were heard making repairs. October that year a second buzzing was heard that interfered with the original transmission.  going back a little is seems that in November 2001 there was a conversation, “Я – 143. Не получаю генератор.” “Идёт такая работа от аппаратной.”   ” I am 143. Not receiving the generator (oscillator).”  and “That stuff comes from the hardware room.”

Overall it’s considered to be either military or research based. Perhaps there is also the explanation that they are being used to ensure that other receiving stations are alert. There was one other strange occurrence too, when the buzzer for a 38 second break for the Dance of the Little Swans, a part of the Swan Lake ballet by Tchaikovsky, then four days after on the 5th September there was an interruption as a female voice counted from one to nine, one hour later it was silenced for a male to read a voice message.

On November 11 in 2010 an intermittent set of phone conversations were accidentally transmitted and were recorded by a listener (at 1400 UTC) for a period of approximately 30 minutes. You can listen to them here: Link   and here is what seems to be a translation: Reddit  It seems that it was pretty much a Control Call but may have been accidentally transmitted or perhaps even intentionally who knows… well only they do.

24/26th January 2013 – From January 24 to January 26 UVB-76 (MDZhB) The Buzzer changed its messages type and sent a really weird message: OBYaVLENA KOMANDA 135 (Instruction has been announced 135. Apparently Buzzer was undergoing a special operation. If you listen to the below recording via youtube you can hear the broadcast.

It seems likely that this is either a military or government broadcast and as with most of these unless you know the specific code (and if it’s a one time pad etc.) you have no hope of working it out. Exactly as it should be really…

 

 

 

 

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