diario SWL I-56578 Antonio
HF utility & milcomm signals
tony.anselmi@gmail.com
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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
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27 April 2024
a difficult signal
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Sometimes it may happens to come across signals for which - unless of know it a priori - it is difficult to correctly define the used modula...
19 April 2024
French AF AWACS comms using MS-110A
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I recently recorded some transmissions of the French Air Force (FAF), more precisely traffic between the Boeing E-3F Sentry 202 aircraft (AL...
15 April 2024
unid datalink protocol(s) over a PSK8 ST and STANAG-4539 (2)
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I had the opportunity to record other transmissions on 3712.70 KHz/USB and - also following the comment of my friend KarapuZ - I can state w...
9 April 2024
unid datalink protocol(s) over a PSK8 ST and STANAG-4539 (Thales? L3Harris?)
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A few days ago I came across some transmissions that caught my attention for at least three good reasons: 1. the frequency used, i.e. 7312.7...
2 comments:
27 March 2024
CIS MFSK-33 (here:15+∅+17), likely a "Serdolik" multimode waveform
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Fig. 1 - "Serdolik" multimode waveform The MFSK segments have the usual 40Bd and 40Hz (channels separation) values which are typic...
18 March 2024
3G-HF Fast Traffic Manager (FTM) at work
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This sample provides an example of the use of 3G-HF (STANAG-4538) Fast Traffic Manager (FTM) protocol, which is sometimes referred to as sim...
26 February 2024
(unid) synchronous transfer protocol over MS-110A & FED-1052 DLP
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Durings the last few days I have monitored the frequency 7762.0 KHz/U and collected very interesting recordings of transmissions regarding a...
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