Numbers stations

UVB-76 (; ), also known by the nickname "The Buzzer", is a shortwave radio station that broadcasts in upper sideband mode on the frequency of 4625kHz (wavelength of 64.8m). It broadcasts a short, monotonous , repeating at a rate of approximately 25tones per minute, 24hours per day. Sometimes, the buzzer signal is interrupted and a voice transmission in Russian takes place.

shortwave radio station broadcasting only numbers

2013 film by Kasper Barfoed

Russian shortwave military radio station

shortwave radio station

radio station

set of recordings of numbers stations

1960 single by Bert Kaempfert

Shortwave numbers station