Russia's mysterious 'Doomsday Radio' broadcasts two new codewords

"The Cold War-era shortwave station has been broadcasting a continuous, monotonous buzzing sound since the 1970s. It is believed to be part of a secret military communications network, possibly even a failsafe linked to Russia's nuclear command system. Today, the usual buzzing was interrupted twice with cryptic messages in Russian, consisting of numbers, names or codewords. Among them were 'NZHTI,' a call sign the station has used before, and 'HOTEL,' along with a string of numbers,"

"This is a developing story... More updates to come Professor David Stupples, who teaches electronic and radio engineering at the City University of London, suggested the enigmatic broadcast has likely been kept active as a fail-safe in case of nuclear war. 'It is almost certainly the Russian government that is using it,' Stupples told Popular Mechanics. 'If it is the Russian government, it wouldn't be for peaceful purposes.'"

"Freelance radio monitor Ary Boender from Holland, who runs the website Numbers Oddities, has heard and entertained many theories about the signal over the years. 'Some say that it is an old Soviet Dead Man's Switch that triggers a nuclear attack on the west when it stops buzzing,' she explained. 'Others say that it is a homing beacon for UFOs,' Boender continued, 'or a mind control device with which the Russians can program your mind.'"

A Cold War-era shortwave station has broadcast a continuous monotonous buzzing since the 1970s and was interrupted twice with cryptic Russian messages consisting of numbers, names, or codewords. Among the transmissions were 'NZHTI,' a familiar call sign, and 'HOTEL,' followed by a string of numbers — 38, 965, 78, 58, 88, 37 — that some observers speculated could be coordinates. A video of the broadcast circulated widely on social media, generating public alarm and speculation. Some experts attribute the station to the Russian government and suggest it functions as a military communications link or nuclear-era failsafe. Alternative theories range from a dead-man's switch to fringe ideas like UFO beacons or mind-control devices.

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