US-INTEL FEC-SYSTEM 108.86 Bd
ACF
The 108.86 Bd FEC system by one the
US-intelligence agencies, shows a distinctive 352 bit spike during
idle condition. Each character seems
to consist of 32 bit.:
The bits of each character seem to be
spread over a large time span. This bitspread creates a diagonal "slant"
during the changeover from idle to
tfc. condition:
During tfc. condition, the system
shows characteristic spikes every 4 bits:
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