Tag: numbers

Russian “Buzzer” Disappears, Chinese “Foghorn” Returns

The International Amateur Radio Union Region 1 (IARU-R1) Monitoring System (IARUMS) March newsletter reports that the Russian “buzzer” on 6,998.0 kHz has disappeared. For a long time the system interfered with the lower edge of the 40-meter band. In addition, a Russian F1B transmission on 7,193 kHz — believed to be emanating from Kaliningrad — […]

North Korean Shortwave Numbers Station Active Again

North Korea broadcasted indecipherable five-digit number segments during a radio segment on Friday, a Cold War-era espionage method intended to relay information to agents in the field, says a North Korea intelligence source, according Korean Joongang Daily. The source exclusively told the JoongAng Ilbo that the North’s propaganda radio station Pyongyang Radio Station aired a […]

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