Re: ARLA/CLUSTER: The Buzzer: Estranha emissão com mais de 30 anos em 4625 kHz.

[Carlos Mourato]

S7 com o dipolo dos 40m às 23:15. Nas outras QRGs não escuto nada.

Devem estar a afinar a corneta para o Mundial de futebol!

73 de CT4RK




No dia 19 de Maio de 2010 15:23, João Gonçalves Costa
<joao.a.costa  ctt.pt>escreveu:

>    *Frequency: 4625 kHz*
>
> *Secondary Frequencies Heard: 3842 kHz & 3877 kHz*
>
> [image: The Buzzer]
>
> A regular signal with a rough rasping modulated tone heard on 4625 kHz,
> "The Buzzer" is believed to have been transmitting since the early '80's.
>
> During 1994 transmissions of the 4625 kHz signal were heard for several
> hours simulcast on 5310 kHz (June 21 1994), and from 1200hrs to 1800hrs UTC
> on 5211 kHz (Sept. 1994). This may have been while testing and setting-up
> was taking place.
>
> This signal transmits around the clock, although due to propagation is
> usually only heard during the late afternoons and hours of darkness in the
> UK.  Sounds a bit like a time signal, but sends around 25 pulses per
> minute.  At 1 minute to the hour, the signal changes to a continuous tone
> rising and falling.
>
> Accuracy is variable and the station has been heard sending the "hour"
> tones up to 3 minutes either way.
> *  "The Buzzer"  (50 kb)* <http://www.brogers.dsl.pipex.com/buzzer.mp3>
>
> On January 16 2003 the tone used by the station changed to a higher pitched
> tone with a slightly longer duration, giving around 20 pulses per minute,
> although the signal has now reverted back to the original tone and duration.
>
> "The Buzzer" also sends messages periodically, which are usually around
> Christmas. On 25 December 1997, at 2158 UTC, the tone ceased and a message
> was read out in Russian.
>
> In personal E-Mail, Rimantas Pleikys in Lithuania has provided me with a
> full translation of the message.
>
> *"This is UVB-76   18008   BROMAL   74279914"* (Repeated several times).
>
> *UVB-76* is believed to be the callsign of the station which would
> indicate a Ukranian source under the international agreement on callsign
> allocation, however the station has been reliably tracked to Russia.
>
> Rimantas adds that the word *BROMAL*, which was spelt out phonetically,
> has the same international meaning - that being a chemical. This would seem
> to be a randomly selected Codeword.
>
> Similar messages have been intercepted by monitors at various times. It is
> believed that the frequency is monitored at one or more sites on a permanent
> basis, and that the receiving stations, on hearing one of the messages must
> immediately contact "control" and repeat the message and codeword to show
> that they are alert and monitoring.
>
> It is believed the station is military in origin possibly connected with
> the Strategic Rocket Forces who control the nuclear ICBM missiles. Jan
> Michalski on his webpage, (see below), states that the station is part of
> the Central Communications Hub of the General Staff of the Army, and serves
> the same purpose as the US EAM messages.
>
> [image: The Buzzer]
>
> The transmitter site is in woodland near Povarovo, in Western Russia, about
> 50 Km NW of Moscow, and in 2004/5 was tracked and photographed by a group of
> Russian lads who were kind enough to email me the photographs which are on
> displayed on this page.
>
> Lower power back-up transmitters are thought to exist (though these may be
> at an alternative site), as simulcast transmissions of the "Buzzer" have
> been heard on 3842 kHz & 3877 kHz at different times in parallel with the
> 4625 kHz transmission.
>
> A rare report of "The Buzzer" from a Pennsylvania, USA member of ENIGMA
> 2000, in March 2004, reported the signal as "Weak but audible in AM mode".
>
> Sincere thanks to Rimantas Pleikys for his help and for making his findings
> available to me, and to the Russian "Urban Explorers" who visited the site.
>
> For technical information on this station, visit Jan Michalski's page Radio
> Station UVB-76 <http://www.starbacks.ca/uvb76/index.html>
>
> Fonte: Site "Mystery Signals Of The Short Wave" (Dedicated to the more
> unusual, strange, bizarre & apparently meaningless signals on the Short Wave
> Bands - Past & present.)
>
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>


-- 
Best 73 from: regards from: CT4RK Carlos Mourato - Sines - Portugal

Save the Radio Spectrum! Eliminate Broadband over Power Line. Salve o
espectro electromagnético!. Não use a rede electrica para transmitir dados.
Os "homeplugs power line" e a tecnologia "power line" causa fortes
interferencias noutro serviços sem voce se aperceber. Diga não à tecnologia
power line. Proteja o ambiente
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