Iran’s Mysterious Farsi Numbers Station: The 7910kHz Spy Signal shaking Shortwave Radio

Описание: An Italian radio ham tuned into 7910 kHz and records what experts believe is Iran’s first modern numbers station — a chilling broadcast of “Attention, attention” followed by along stream of coded digits. Was the message activating terrorist sleeper cells?

The transmitter’s original assumed position was relocated from Java to Böblingen when monitors applied multilateration with a higher density of local European receivers. By increasing the number of data points, the “ghost” in Java vanished, and the probability map collapsed onto the high-security forested area near Patch Barracks in the Black Forest, Germany.

Updated analysis (free read) here: https://medium.com/the-dock-on-the-bay/v32...

Acknowledgement to ShortwaveObserver @shortwave78 on Twitter