Showing posts with label Duga. Show all posts
Showing posts with label Duga. Show all posts
Friday, March 28, 2014
Tuesday, April 20, 2010
Tuesday, December 9, 2008
Sound of the Duga-3 transmitter
The Russian Woodpecker (DUGA-3 near Chernobyl, Ukraine) early warning radar was a notorious Soviet signal that could be heard on the shortwave radio bands worldwide between July 1976 and December 1989. It sounded like a sharp, repetitive tapping noise, at 10 Hz, giving rise to the "Woodpecker" name.
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