48°41'26"N 9°05'12"E
https://www.google.com/maps/place/48%C2%B041'26.0%22N+9%C2%B...
48°41'26"N 9°05'12"E
https://www.google.com/maps/place/48%C2%B041'26.0%22N+9%C2%B...
So...
If its being broadcast by the US military or the CIA, why Persian?
Because they're issueing activation orders to their network of ani-regime operatives inside Iran? Who, mysteriously for spies, only know that language?
Or because they want the Iranian government to think that? And a numbers station broadcasting in - unusually - Persian, is an easy way to get the attention of the Iranians?
I'm thinking the latter.
However, since the US-Israeli bombing of Iran on Feb 28, the Iranian government has shut down the whole country's Internet access. This means that the CIA needs another way to send information out, hence the numbers station.