Safran CORTEX CRT Quantum - Swap G1 and G2 before Viterbi Decoder; Turbo Decoding Frame Synchronisation Word

COMMAND RANGING & TELEMETRY UNIT CORTEX
CRT QUANTUM USER'S MANUAL
Ref. DTU 100042
Is.Rev. 5.17
Date: Dec.
03, 2021Sept. 30, 2021
© Safran Data Systems
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It cannot be duplicated or distributed without expressed written consent.
Page 243
4.2.7.3.7. Swap G1 and G2 before Viterbi Decoder
To swap G1 and G2 before Viterbi decoder.
Registry path: HKEY_LOCAL_MACHINE\SOFTWARE\In-snec\CortexCRT\SetDefault\Preferences\Tmux
(x = TM chain number)
Keyword: SwapG1G2
Default setting at delivery: 0 (G1 before G2) (or G1 on I, G2 on Q)
Set the keyword to 0 (G1 before G2) or 1 (swap G1 and G2)
4.2.7.3.8. Turbo Decoding Frame Synchronisation Word
To modify the default synchronization words specified for each rate (CCSDS 131.0-B-3)
Registry path: HKEY_LOCAL_MACHINE\SOFTWARE\In-snec\CortexCRT\SetDefault\Preferences\Tmux
(x = TM chain number)
Keyword: Asm_1_2
Default setting at delivery: 034776C7272895B0
Keyword: Asm_1_3
Default setting at delivery: 25D5C0CE8990F6C9461BF79C
Keyword: Asm_1_4
Default setting at delivery: 034776C7272895B0FCB88938D8D76A4F
Keyword: Asm_1_6
Default setting at delivery: 25D5C0CE8990F6C9461BF79CDA2A3F31766F0936B9E40863
Note : the frame synchronization word length is derived from the code rate.