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The Russian Woodpecker was a
The Russian Woodpecker 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.
6 سال پیش
در تاریخ 1397/01/19 منتشر شده
است.
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