Tag Archives: RDFT

How to decode that RDFT in numbers station HM01? Roland explains

A few weeks ago, I published a post with a recording of the Cuban numbers station HM01, a “Hybrid Mode” numbers station which interchangeably broadcasts both voice and a digital mode called RDFT with each transmission. I had suggested using an … Continue reading

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Shortwave Radio Recordings: Listen to Cuban Spy Numbers Station HM01

Numbers stations have always been a dark oddity that pop up from time-to-time in the course of shortwave radio listening. There is unquestionably an air of mystery and intrigue which surrounds them. With the release of the movie The Numbers Station, … Continue reading

Posted in Broadcasters, Numbers Stations, Recordings, Shortwave Radio, What's On Shortwave | Tagged , , , , , , | 9 Comments