HFU HF Underground
General Category => General Radio Discussion => Topic started by: ChrisSmolinski on September 11, 2025, 1611 UTC
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With Poland in the news lately... a reminder that they're one of the few countries left with active Spy Numbers broadcasts on Shortwave Radio. Here's a recording of their transmission yesterday morning.
https://www.youtube.com/watch?v=jWDlJ5K4go4