These shortwave radio stations are used to maintain almost untraceable communications when the internet is down. Cuba has the ...

The mysterious Persian-language transmission began about 12 hours after the start of the US-Israeli bombing campaign against Iran. It was jammed five days later. Is it a coded message for US agents in ...

Since the middle of the 1970s, radio enthusiasts have been fascinated and perplexed by an odd buzzing signal that keeps repeating on the frequency of 4625 kHz. It has no known operator, no official ...

An amateur radio operator believes mysterious radio broadcasts could be instructions being sent to CIA agents in Iran. When 47-year-old Roberto, from Milan, switched on his shortwave radio on Tuesday, ...

One of the mysteries that has occupied radio amateurs in many countries for years are the so-called numbers stations. NRQZ, the United States Quiet Zone where mobile phones and microwaves are illegal ...