An unusual radio signal, transmitted in Persian and consisting of seemingly random number sequences, has sparked the interest of the international community of radio amateurs and information experts. The transmission appeared shortly after the bombings launched by the United States and Israel on Iran and could represent a classic encrypted communication system used for transmitting messages to secret agents. The origin and purpose of the signal remain, for now, unknown, according to Radio Free Europe.
The signal was first detected on February 28, about 12 hours after the attacks on Iran began. On a shortwave frequency, distorted, which can be received almost twice a day – early in the morning and in the evening, the voice of a man reading in Persian a series of seemingly random numbers is heard.
According to Radio Free Europe, the numbers are spoken for different periods of time, followed by a pause in which the word “tavajjoh”, which means “attention”, is repeated three times.
The appearance of the transmission quickly attracted the attention of radio amateurs around the world, who began to analyze the signal and formulate hypotheses about who could be transmitting it and to whom it is intended.
The situation became even more intriguing a few days later. Starting March 4, the signal began to be jammed by a strong electronic noise, which makes it almost impossible to hear the numbers. The initial transmission was briefly interrupted, then moved to a nearby frequency.
“It’s interesting because the transmission began to be jammed on the initial frequency,” said Akin Fernandez, a specialist in encrypted radio technology. “Someone doesn’t want the signal recipient to hear the numbers.”
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