diario SWL I-56578 Antonio
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NATO/Fr-Ny 4481F BRASS/MRL
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Showing posts with label
Arcotel-Echotel
.
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Showing posts with label
Arcotel-Echotel
.
Show all posts
10 June 2021
Echotel 1810 and STANAG-4285, ie don't blindly trust decoders
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It happened by chance to analyze a complete session of data exchange in MAHRS mode (ALE + traffic) while I had a STANAG-4285 decoder in acti...
20 April 2021
Echotel-MAHRS 2400 serial
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The so-colled Echotel MAHRS 2400 is a 2400Bd PSK-8 serial waveform with simmetical 2 x 8 pre-tones in respect of the 1800Hz carrier. The sig...
2 comments:
18 June 2016
'Echotel 1810' and 'THALES TRC-1752': same PSK-8 2400Bd, same 768 bits ACF, but two different waveforms
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Single tone PSK-8 / 2400Bd wavef o rms a r e very common and it's easy to get mistakes in their identification , sometimes also the...
23 April 2015
Arcotel MAHRS ALE burst
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The Multiple Adaptive HF Radio System (MAHRS) is based on the Arcotel transmission processor that controls the automatic frequency selectio...
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