Authentic Recording Of A Russian "Woodpecker" OTHR Radar From The ´70s

http://www.globalsecurity.org/wmd/world/russia/steel-yard.htm Россия Совет
OTH Systems: CCCP USSR/Russia
The Soviets had also studied OTH systems starting as early as the 1950s. Their first experimental model appears to be the Veyer (Hand Fan) that was built in 1949. The next Soviet serious project was Duga-2, built outside Nikolayev (on the Black Sea coast near Odessa). Aimed eastward, Duga-2 was first started on 7 November 1971, and was successfully used to track missile launches from the far east and Pacific Ocean to the testing ground on Novaya Zemlya.
This was followed by their first operational system, known in the west as Steel Yard, which first broadcast in 1976. Built outside Gomel, near Chernobyl, it was aimed northward and covered the continental USA. Its loud and repetitive pulses in the middle of the shortwave radio bands led to it being known as the Russian Woodpecker by amateur radio (ham) operators. The Soviets eventually shifted the frequencies they used, without admitting they were even the source, largely due to its interference with certain long-range air-to-ground communications used by commercial airliners. A second system was set up in Siberia, also covering the Lower 48 as well as Alaska.

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Science & Technology

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• russian
• woodpecker
• othr
• radar
• early
• warning
• global
• warming
• ozone
• hole
• detection
• poles