North Korea resumes Cold-War-era radio broadcasts for its spies abroad
July 20, 2016 3 Comments
In a development that is reminiscent of the Cold War, a radio station in North Korea appears to have resumed broadcasts of encrypted messages that are typically used to give instructions to spies stationed abroad. The station in question is the Voice of Korea, known in past years as Radio Pyongyang. It is operated by the North Korean government and airs daily programming consisting of music, current affairs and instructional propaganda in various languages, including Arabic, Chinese, Spanish, French, English, and Russian. Last week however, the station interrupted its normal programming to air a series of numbers that were clearly intended to be decoded by a few select listeners abroad.
According to the South Korean public news agency, Yonhap, the coded segment was broadcast on shortwave at 12:45 a.m. on Friday, July 15. It featured a female announcer slowly reading a series of seemingly random numbers from an instruction sheet. The announcer began the segment by stating that she would “now provide a review on the topic of mathematics, as stipulated by the distance-learning university curriculum for the benefit of agents of the 27th Bureau”. She went on to read a series of numbers: “turn to page 459, number 35; page 913, number 55; page 135, number 86; page 257 number 2”, etc. This went on for approximately 12 minutes, said Yonhap.
The technique described above is informally known as ‘numbers stations’, and was extensively used by both Western and communist countries during the Cold War to send operational instructions to their intelligence personnel stationed abroad. Armed with a shortwave radio, an intelligence officer would turn to the right frequency on a pre-determined date and time, write down the numbers read out and proceed to decrypt them using a ‘number pad’, a tiny book that contained the key to deciphering the secret message aired on the radio. But the era of the Internet, mobile phones and microwave communications has caused the demise of ‘numbers stations’. The latter are rarely heard nowadays, though a number of nations, including Cuba, South Korea and Israel, are believed to still use them.
The last time North Korea is thought to have employed ‘numbers stations’ to contact its spies stationed abroad was in the spring of 2000, prior to the historic first Inter-Korean Summit that featured a face-to-face meeting of the then South Korean President Kim Dae-jung and the then North Korean Supreme Leader Kim Jong-il. Since that time, the North Koreans are believed to have stopped deploying broadcasts to communicate with their intelligence operatives in foreign countries. Yonhap quoted an unnamed South Korean government source as saying that last Friday’s broadcast was the first number sequence aired by Pyongyang in over 16 years. According to the news agency, the broadcast has Seoul worried about “possible provocations” that may be planned by North Korean spies living secretly in the south.
► Author: Joseph Fitsanakis | Date: 20 July 2016 | Permalink
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