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🇷🇺RDL - Russian Navy strategic station sending a one-way ciphered message in FSK-Morse mode on 16112kHz. This message was almost certainly also sent on VLF 18.1kHz to submerged submarines. Message: RDL RDL RDL 97552 57623 97552 57623 97552 57623 K RX in 🇮🇹Milan 06:15UTC Sept21

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Shortwave Observer

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273,143 views • 1 year ago •via X (Twitter)

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