diario SWL I-56578 Antonio
HF utility & milcomm signals
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NATO/Fr-Ny 4481F BRASS/MRL
French Ny FSK Fleet Broadcast
German Ny S4285 Fleet Broadcast
75Bd (actual 50Bd) 4481F
LFSR/PRBS
Initialization Vectors
RussComms
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11 March 2026
a WireGuard-like VPN Protocol Adaptation over HF
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Disclaimer: The following analysis is based on empirical observation of HF traffic and does not represent an official specification. The id...
24 February 2026
A 142-byte Data Link Protocol with fragmentation support
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The signal captures used for this post were recorded a few days ago on 6369.0 kHz (USB) and kindly provided by my friend Kosmod ; below is m...
2 comments:
15 February 2026
S-4481/S-4539 clear-text messages sent using RapidM modem (BRE1TA tests?)
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The purpose of this post is to report test transmissions heard on 6963.0 kHz USB and logged during the first week of February by both Kosmod...
1 comment:
5 February 2026
Citadel II 96-bit Initialization Vectors, an interesting update
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A great thanks to my friend Kosmod who breakdown a Citadel II encrypted bitstream and saw that the Initialization Vector (IV) composed of 9...
1 comment:
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