Russian Buzzer operators shown transitioning into anti-pirate protocol shown with dual transmitters coming on-line above and below the center of 4625 kHz. The noise is made of CIS-12 modem stages, tones and pure noise. Recorded 9 May 2024 by Tyler Stampfli, KA0KA for additional Russian signals see @SignalPhantom recorded for SignalPhantom.com
