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Can YOU solve the mystery of UVB-76? The Daily Mail newspaper asks its readers if they can explain the mysterious radio signal on 4625 kHz known as the Buzzer The mysterious transmissions from Russia are thought to have started in 1982 and have continued ever since. Up until September 2010, the station identified itself as UVB-76 (Cyrillic: УВБ-76), and it is still often referred to by that name. The station transmits using AM with a suppressed lower sideband (R3E), but it has also used full double-sideband AM (A3E). The signal consists of a buzzing sound that lasts 1.2 seconds, pausing for 1–1.3 seconds, and repeating 21–34 times per minute. Until November 2010, the buzz tones lasted approximately 0.8 seconds each.One minute before the hour, the repeating tone was previously replaced by a continuous, uninterrupted alternating tone, which continued for one minute until the short repeating buzz resumed, although this no longer occurs since June 2010. Read the Daily Mail story at http://www.dailymail.co.uk/sciencetech/article-2877988/Can-solve-mystery-UVB-76-Radio-station-buzzed-second-1970s-no-one-knows-why.html Wiki - UVB-76 http://en.wikipedia.org/wiki/UVB-76