UVB-76 (The Buzzer) - Revision history

https://www.hfunderground.com/wiki/index.php?action=history&feed=atom&title=UVB-76_%28The_Buzzer%29 UVB-76 (The Buzzer) - Revision history 2026-10-25T09:48:44Z Revision history for this page on the wiki MediaWiki 1.16.5 https://www.hfunderground.com/wiki/index.php?title=UVB-76_(The_Buzzer)&diff=9578&oldid=prev The Wrigley Guerrilla at 13:26, 22 October 2019 2019-10-22T13:26:51Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 13:26, 22 October 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 5:</td> <td colspan="2" class="diff-lineno">Line 5:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==Normal transmission==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==Normal transmission==</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">[[Image:UVB-76-detail.png|thumb|right|A spectrum for UVB-76 showing the suppressed lower sideband.]]</del></div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The station transmits a buzzing sound that lasts 0.8 seconds, pausing for 1–1.3 seconds, and repeating 21–34 times per minute.<sup>[1]</sup> One minute before the hour, the repeating tone is replaced by a continuous tone, which continues for one minute until the short repeating buzz resumes. Between 07:00 and 07:50 GMT the station transmits using lower power, when transmitter maintenance apparently takes place.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The station transmits a buzzing sound that lasts 0.8 seconds, pausing for 1–1.3 seconds, and repeating 21–34 times per minute.<sup>[1]</sup> One minute before the hour, the repeating tone is replaced by a continuous tone, which continues for one minute until the short repeating buzz resumes. Between 07:00 and 07:50 GMT the station transmits using lower power, when transmitter maintenance apparently takes place.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> </table>

The Wrigley Guerrilla https://www.hfunderground.com/wiki/index.php?title=UVB-76_(The_Buzzer)&diff=9506&oldid=prev SV1XV: /* External links */ +1 2019-10-05T18:16:32Z

<p><span class="autocomment">External links: </span> +1</p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 18:16, 5 October 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 69:</td> <td colspan="2" class="diff-lineno">Line 69:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[http://qrg.broker.freenet6.net/details.php?id=19667 UVB76] at the [http://qrg.broker.freenet6.net/ Global Frequency Database]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[http://qrg.broker.freenet6.net/details.php?id=19667 UVB76] at the [http://qrg.broker.freenet6.net/ Global Frequency Database]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[http://www.uvb-76.net UVB-76 Temporary Internet Relay] - Live Internet Streaming site, 900km NW from station.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[http://www.uvb-76.net UVB-76 Temporary Internet Relay] - Live Internet Streaming site, 900km NW from station.</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div> </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* Allison McLellan: "Decoding Numbers Stations", QST, '''103''' (11), pp. 70-74, ISSN 0033-4812, November 2019</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> </table>

SV1XV https://www.hfunderground.com/wiki/index.php?title=UVB-76_(The_Buzzer)&diff=9292&oldid=prev The Wrigley Guerrilla at 19:10, 24 July 2019 2019-07-24T19:10:04Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 19:10, 24 July 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 46:</td> <td colspan="2" class="diff-lineno">Line 46:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Russian Woodpecker]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Russian Woodpecker]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Dead Hand System]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Dead Hand System]]</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">* [[Soviet/Russian Strategic Aerial/Electronic Defense Units]]</del></div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==References==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==References==</div></td></tr> </table>

The Wrigley Guerrilla https://www.hfunderground.com/wiki/index.php?title=UVB-76_(The_Buzzer)&diff=8661&oldid=prev The Wrigley Guerrilla at 11:53, 3 April 2019 2019-04-03T11:53:39Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 11:53, 3 April 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 46:</td> <td colspan="2" class="diff-lineno">Line 46:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Russian Woodpecker]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Russian Woodpecker]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Dead Hand System]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Dead Hand System]]</div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [[Soviet/Russian Strategic Aerial/Electronic Defense Units]]</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==References==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==References==</div></td></tr> </table>

The Wrigley Guerrilla https://www.hfunderground.com/wiki/index.php?title=UVB-76_(The_Buzzer)&diff=8531&oldid=prev The Wrigley Guerrilla at 18:49, 23 March 2019 2019-03-23T18:49:27Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 18:49, 23 March 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Image:UVB76 antenna.jpg|thumb|right|Satellite photo of UVB-76 transmitter in [[Povarovo]], [[Russia]].]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Image:UVB76 antenna.jpg|thumb|right|Satellite photo of UVB-76 transmitter in [[Povarovo]], [[Russia]].]]</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>'''UVB-76''', (Now "<del class="diffchange diffchange-inline">ZhUOZ</del>", formerly "MDZhB") is the callsign of a HF radio station that usually broadcasts on the frequency [[Fixed/Mobile_bands|4625&nbsp;kHz]] on a USB (Upper Side Band) signal. It is known among radio listeners by the nickname '''The Buzzer'''. It features a short, monotonous buzz tone, repeating at a rate of approximately 25 tones per minute, for 24 hours per day. The station has been observed since around 1982.<sup>[1]</sup>. Until 2010, most voice transmissions in the Russian Monolit code signal were rare.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>'''UVB-76''', (Now "<ins class="diffchange diffchange-inline">ANVF</ins>", formerly "MDZhB<ins class="diffchange diffchange-inline">" and "ZhUOZ</ins>") is the callsign of a HF radio station that usually broadcasts on the frequency [[Fixed/Mobile_bands|4625&nbsp;kHz]] on a USB (Upper Side Band) signal. It is known among radio listeners by the nickname '''The Buzzer'''. It features a short, monotonous buzz tone, repeating at a rate of approximately 25 tones per minute, for 24 hours per day. The station has been observed since around 1982.<sup>[1]</sup>. Until 2010, most voice transmissions in the Russian Monolit code signal were rare.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The Buzzer has <del class="diffchange diffchange-inline">three </del>callsigns: UVB-76, MDZhB (Mikhail, Dmitri, Zhenya, Boris), <del class="diffchange diffchange-inline">and </del>ZhUOZ (Zhenya, Ulyana, Olga, Zinaida)<del class="diffchange diffchange-inline">.</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>The Buzzer has <ins class="diffchange diffchange-inline">four </ins>callsigns: UVB-76, MDZhB (Mikhail, Dmitri, Zhenya, Boris), ZhUOZ (Zhenya, Ulyana, Olga, Zinaida)<ins class="diffchange diffchange-inline">, and ANVF (Anna, Nikolai, Vasily, Fyodor)</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==Normal transmission==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==Normal transmission==</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 25:</td> <td colspan="2" class="diff-lineno">Line 25:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* The fourth transmission, on August 23, 2010, was broadcast at 13:35 UTC: "UVB-76, UVB-76. 93 882 NAIMINA 74 14 35 74. 9 3 8 8 2 Nikolai, Anna, Ivan, Mikhail, Ivan, Nikolai, Anna. 7 4 1 4 3 5 7 4"</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* The fourth transmission, on August 23, 2010, was broadcast at 13:35 UTC: "UVB-76, UVB-76. 93 882 NAIMINA 74 14 35 74. 9 3 8 8 2 Nikolai, Anna, Ivan, Mikhail, Ivan, Nikolai, Anna. 7 4 1 4 3 5 7 4"</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* The fifth transmission, this time with the callsign MDZhB, was transmitted on January 25, 2013, at 02:47 UTC: "MDZhB TERKA 0254 МDZhB ТЕRКА 0254 MDZhB OBYAVLENA KOMANDA 135 (command 135 announced)"</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* The fifth transmission, this time with the callsign MDZhB, was transmitted on January 25, 2013, at 02:47 UTC: "MDZhB TERKA 0254 МDZhB ТЕRКА 0254 MDZhB OBYAVLENA KOMANDA 135 (command 135 announced)"</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>*The sixth transmission, this time with the callsign ZhUOZ, was transmitted on December 15, 2015, at 16:28 UTC: "Zhenya, Ulyana, Olga, Zinaida. Zhenya, Ulyana, Olga, Zinaida. 92, 002, AGATU, 56, 88, 48, 32."</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* The sixth transmission, this time with the callsign ZhUOZ, was transmitted on December 15, 2015, at 16:28 UTC: "Zhenya, Ulyana, Olga, Zinaida. Zhenya, Ulyana, Olga, Zinaida. 92, 002, AGATU, 56, 88, 48, 32."</div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* On March 2019, the station seemingly changed its callsign to ANVF (Anna, Nikolai, Vasily, Fyodor)</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==Equipment==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==Equipment==</div></td></tr> </table>

The Wrigley Guerrilla https://www.hfunderground.com/wiki/index.php?title=UVB-76_(The_Buzzer)&diff=8203&oldid=prev The Wrigley Guerrilla at 23:35, 12 February 2019 2019-02-12T23:35:13Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 23:35, 12 February 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Image:UVB76 antenna.jpg|thumb|right|Satellite photo of UVB-76 transmitter in [[Povarovo]], [[Russia]].]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Image:UVB76 antenna.jpg|thumb|right|Satellite photo of UVB-76 transmitter in [[Povarovo]], [[Russia]].]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>'''UVB-76''', (Now "ZhUOZ", formerly "MDZhB") is the callsign of a HF radio station that usually broadcasts on the frequency [[Fixed/Mobile_bands|4625&nbsp;kHz]] on a USB (Upper Side Band) signal. It is known among radio listeners by the nickname '''The Buzzer'''. It features a short, monotonous buzz tone, repeating at a rate of approximately 25 tones per minute, for 24 hours per day. The station has been observed since around 1982.<sup>[1]</sup>. Until 2010, most voice transmissions in the Russian Monolit code signal were rare.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>'''UVB-76''', (Now "ZhUOZ", formerly "MDZhB") is the callsign of a HF radio station that usually broadcasts on the frequency [[Fixed/Mobile_bands|4625&nbsp;kHz]] on a USB (Upper Side Band) signal. It is known among radio listeners by the nickname '''The Buzzer'''. It features a short, monotonous buzz tone, repeating at a rate of approximately 25 tones per minute, for 24 hours per day. The station has been observed since around 1982.<sup>[1]</sup>. Until 2010, most voice transmissions in the Russian Monolit code signal were rare.</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">{{#tag:html5media|File:BUZZER_20160718-060100z-msg.mp3}} (Voice message, recorded on July 18, 2016)</del></div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The Buzzer has three callsigns: UVB-76, MDZhB (Mikhail, Dmitri, Zhenya, Boris), and ZhUOZ (Zhenya, Ulyana, Olga, Zinaida).</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The Buzzer has three callsigns: UVB-76, MDZhB (Mikhail, Dmitri, Zhenya, Boris), and ZhUOZ (Zhenya, Ulyana, Olga, Zinaida).</div></td></tr> </table>

The Wrigley Guerrilla https://www.hfunderground.com/wiki/index.php?title=UVB-76_(The_Buzzer)&diff=8202&oldid=prev The Wrigley Guerrilla at 23:34, 12 February 2019 2019-02-12T23:34:59Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 23:34, 12 February 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Image:UVB76 antenna.jpg|thumb|right|Satellite photo of UVB-76 transmitter in [[Povarovo]], [[Russia]].]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Image:UVB76 antenna.jpg|thumb|right|Satellite photo of UVB-76 transmitter in [[Povarovo]], [[Russia]].]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>'''UVB-76''', (Now "ZhUOZ", formerly "MDZhB") is the callsign of a HF radio station that usually broadcasts on the frequency [[Fixed/Mobile_bands|4625&nbsp;kHz]] on a USB (Upper Side Band) signal. It is known among radio listeners by the nickname '''The Buzzer'''. It features a short, monotonous buzz tone, repeating at a rate of approximately 25 tones per minute, for 24 hours per day. The station has been observed since around 1982.<sup>[1]</sup>. Until 2010, most voice transmissions in the Russian Monolit code signal were rare.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>'''UVB-76''', (Now "ZhUOZ", formerly "MDZhB") is the callsign of a HF radio station that usually broadcasts on the frequency [[Fixed/Mobile_bands|4625&nbsp;kHz]] on a USB (Upper Side Band) signal. It is known among radio listeners by the nickname '''The Buzzer'''. It features a short, monotonous buzz tone, repeating at a rate of approximately 25 tones per minute, for 24 hours per day. The station has been observed since around 1982.<sup>[1]</sup>. Until 2010, most voice transmissions in the Russian Monolit code signal were rare.</div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">{{#tag:html5media|File:BUZZER_20160718-060100z-msg.mp3}} (Voice message, recorded on July 18, 2016)</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The Buzzer has three callsigns: UVB-76, MDZhB (Mikhail, Dmitri, Zhenya, Boris), and ZhUOZ (Zhenya, Ulyana, Olga, Zinaida).</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The Buzzer has three callsigns: UVB-76, MDZhB (Mikhail, Dmitri, Zhenya, Boris), and ZhUOZ (Zhenya, Ulyana, Olga, Zinaida).</div></td></tr> </table>

The Wrigley Guerrilla https://www.hfunderground.com/wiki/index.php?title=UVB-76_(The_Buzzer)&diff=8160&oldid=prev R4002 at 20:55, 11 February 2019 2019-02-11T20:55:22Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 20:55, 11 February 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Image:UVB76 antenna.jpg|thumb|right|Satellite photo of UVB-76 transmitter in [[Povarovo]], [[Russia]].]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Image:UVB76 antenna.jpg|thumb|right|Satellite photo of UVB-76 transmitter in [[Povarovo]], [[Russia]].]]</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>'''UVB-76''', (Now "ZhUOZ", formerly "MDZhB") is the callsign of a HF radio station that usually broadcasts on the frequency 4625&nbsp;kHz on a USB (Upper Side Band) signal. It is known among radio listeners by the nickname '''The Buzzer'''. It features a short, monotonous buzz tone, repeating at a rate of approximately 25 tones per minute, for 24 hours per day. The station has been observed since around 1982.<sup>[1]</sup>. Until 2010, most voice transmissions in the Russian Monolit code signal were rare.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>'''UVB-76''', (Now "ZhUOZ", formerly "MDZhB") is the callsign of a HF radio station that usually broadcasts on the frequency <ins class="diffchange diffchange-inline">[[Fixed/Mobile_bands|</ins>4625&nbsp;kHz<ins class="diffchange diffchange-inline">]] </ins>on a USB (Upper Side Band) signal. It is known among radio listeners by the nickname '''The Buzzer'''. It features a short, monotonous buzz tone, repeating at a rate of approximately 25 tones per minute, for 24 hours per day. The station has been observed since around 1982.<sup>[1]</sup>. Until 2010, most voice transmissions in the Russian Monolit code signal were rare.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The Buzzer has three callsigns: UVB-76, MDZhB (Mikhail, Dmitri, Zhenya, Boris), and ZhUOZ (Zhenya, Ulyana, Olga, Zinaida).</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The Buzzer has three callsigns: UVB-76, MDZhB (Mikhail, Dmitri, Zhenya, Boris), and ZhUOZ (Zhenya, Ulyana, Olga, Zinaida).</div></td></tr> </table>

R4002 https://www.hfunderground.com/wiki/index.php?title=UVB-76_(The_Buzzer)&diff=8120&oldid=prev The Wrigley Guerrilla: /* See also */ 2019-02-11T15:30:59Z

<p><span class="autocomment">See also</span></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 15:30, 11 February 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 44:</td> <td colspan="2" class="diff-lineno">Line 44:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==See also==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==See also==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Russian Woodpecker]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Russian Woodpecker]]</div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [[Dead Hand System]]</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==References==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==References==</div></td></tr> </table>

The Wrigley Guerrilla https://www.hfunderground.com/wiki/index.php?title=UVB-76_(The_Buzzer)&diff=8119&oldid=prev The Wrigley Guerrilla: /* Location and function */ 2019-02-11T15:30:13Z

<p><span class="autocomment">Location and function</span></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 15:30, 11 February 2019</td> </tr><tr><td colspan="2" class="diff-lineno">Line 35:</td> <td colspan="2" class="diff-lineno">Line 35:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>In September of 2010, the station was evacuated, the station transmitter was moved to the nearby city of Saint Petersburg, near the village of Kerro Massiv. This may have been due to a reorganization of the Russian military. Prior to August 9, 2015, the station is not transmitted from the Kerro Massiv transmitter site ("Irtysh") anymore, possibly due to a reorganization of the Russian military for the particular area which may cause the frequency to be used only in the Moscow Military District. At present, The Buzzer appears to be broadcast only from the 69th Communication Hub in Naro Fominsk, Moscow.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>In September of 2010, the station was evacuated, the station transmitter was moved to the nearby city of Saint Petersburg, near the village of Kerro Massiv. This may have been due to a reorganization of the Russian military. Prior to August 9, 2015, the station is not transmitted from the Kerro Massiv transmitter site ("Irtysh") anymore, possibly due to a reorganization of the Russian military for the particular area which may cause the frequency to be used only in the Moscow Military District. At present, The Buzzer appears to be broadcast only from the 69th Communication Hub in Naro Fominsk, Moscow.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Its purpose is unknown. One website claims the station is meant to "Transmit orders to the military units and recruitment centers of the Moscow military district." This is unconfirmed, and unlikely considering the station transmitted the simple buzz tone for at least 15 years before any words or numbers were broadcast. Because of the nature of the broadcast and the fact that its transmitter location is rumored to be a communications hub of the General Staff of the army,<sup>[10]</sup> UVB-76 is widely believed to be used to transmit encoded messages to spies, as is generally assumed for the many [[Spy Numbers Stations|numbers stations]] that populate shortwave frequencies. Transmitter sites for some numbers stations have been triangulated to military and/or intelligence installations in several countries, although no nation's government will confirm or deny the existence of the stations or their purpose. Another possibility is that the constant transmission of its characteristic sound is supposed to signal the availability, operation or alertness of some kind of installation, a kind of dead man's switch of a military or other installation, possibly for the Dead Hand system.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>Its purpose is unknown. One website claims the station is meant to "Transmit orders to the military units and recruitment centers of the Moscow military district." This is unconfirmed, and unlikely considering the station transmitted the simple buzz tone for at least 15 years before any words or numbers were broadcast. Because of the nature of the broadcast and the fact that its transmitter location is rumored to be a communications hub of the General Staff of the army,<sup>[10]</sup> UVB-76 is widely believed to be used to transmit encoded messages to spies, as is generally assumed for the many [[Spy Numbers Stations|numbers stations]] that populate shortwave frequencies. Transmitter sites for some numbers stations have been triangulated to military and/or intelligence installations in several countries, although no nation's government will confirm or deny the existence of the stations or their purpose. Another possibility is that the constant transmission of its characteristic sound is supposed to signal the availability, operation or alertness of some kind of installation, a kind of dead man's switch of a military or other installation, possibly for the <ins class="diffchange diffchange-inline">Russian </ins>Dead Hand system.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Another explanation for the constant buzzer is the High-frequency Doppler method for ionosphere research <sup>[11]</sup> described in the Russian Journal of Earth Sciences, in which radio waves are reflected from ionosphere inhomogeneities. Changes of an ionosphere state can be caused by solar geophysical or seismic events. This method involves comparing a continuous radio transmission which is reflected by the ionosphere with a stable basic generator.  The continuously transmitted carrier frequency currently used for this research matches that of the Russian Buzzer (4.625&nbsp;MHz).</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Another explanation for the constant buzzer is the High-frequency Doppler method for ionosphere research <sup>[11]</sup> described in the Russian Journal of Earth Sciences, in which radio waves are reflected from ionosphere inhomogeneities. Changes of an ionosphere state can be caused by solar geophysical or seismic events. This method involves comparing a continuous radio transmission which is reflected by the ionosphere with a stable basic generator.  The continuously transmitted carrier frequency currently used for this research matches that of the Russian Buzzer (4.625&nbsp;MHz).</div></td></tr> </table>

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