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
CIS Ny T-600 Fleet Broadcast
75Bd (actual 50Bd) 4481F
LFSR/PRBS
Initialization Vectors
RussComms
shack
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Showing posts with label
check-matrix
.
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Showing posts with label
check-matrix
.
Show all posts
12 March 2021
Rus PSK4 1200Bd: solved
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The questions related to the "nature" of the 1022-bit period of the QPSK 1200Bd signal (see the previous post ) has been solved th...
14 August 2018
LINK-11 SLEW, Systematic CRC check matrix
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In Link-11 SLEW the error detection encoding is applied to all 48-bit data words within each type of field with the exception of the EOM f...
4 August 2018
LINK-11 CLEW, Hamming check matrix
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The check of a Link-11 CLEW stream discussed in the end part of this post , can be speed up by using the Hamming parity check matrix for t...
16 July 2018
LINK-11 CLEW, conventional waveform
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The 16 tone frequencies used by CLEW are 605 Hz (used for Doppler correction), 2915 Hz (used for data and synchronization) and 935, 10...
30 May 2018
T207_test
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Finally a useful and fast tool to check the presence of T207 encoding in FSK bitstreams. The tool T207_test runs on Octave, a programming ...
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