Mysterious coded radio messages broadcasted on Persian radio

An amateur radio operator believes mysterious radio broadcasts in Persian could be instructions being sent to CIA agents in Iran .When Roberto, from Milan, switched on his shortwave radio on Tuesday, he heard a ghostly voice reciting a string of numbers in Persian.'A fellow shortwave enthusiast had told me about the signal, which started the same day the US attacked Iran,' Roberto, who posts news of his radio scanning under the name 'Shortwave Observer', he told The Times.'It did not exist before, and it looked to me like someone, possibly the CIA, was transmitting coded messages to agents inside Iran.'Roberto, who declined to give his surname, is one of thousands of amateur radio enthusiasts who track so-called numbers stations,long linked to spy agencies using coded sequences to send instructions to operatives with codebooks.