G13 was a cooperative numbers station maintained by the CIA and the West German BND during the Cold War for destabilization operations.  It used a German military radio variant for 2 and 9, read as “zwo” and “nuenen”.  The 9 variant is ‘nuenen’ (pretty much sounds like ‘niner’).  In February of 1991, the voice drastically … Læs mere G13 – Five Dashes German Numbers Station

UVB-76 (Russian: УВБ-76; see § Name and callsigns for other callsigns), also known by the nickname “The Buzzer”, is a shortwave radio station that broadcasts on the frequency of 4,625 kHz.[1][2] It broadcasts a short, monotonous buzz toneⓘ, repeating at a rate of approximately 25 tones per minute, 24 hours per day.[1] Sometimes, the buzzer … Læs mere UVB-76