SECRET SPOKE

SIERRA LEONE - BELGIUM

 

Report No: 25 Date: 28/05/2009

Case Notations: 5DBIY (Sierra Leone - Belgium) Polarity/Freq:

5DBIZ (Belgium Sierra Leone)

 

 

 

 

Summary:

This informal report has been issued to highlight the possible intelligence value of two C2C
carriers, providing links between Sierra Leone and Belgium on satellite INTELSAT 9F3 (5D).

Both carriers were input to TERRAIN with numerous hits noted on each carrier, listed below.
Results:

5DBIY
Hits noted as follows:

 

4378 SECON 7 

 

10f3

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SDBIZ
Hits noted as follows:

 

Analysis:

Both Gamers are employing 20 strapped timeslots of C2C (1280K).


SDBIY
Routemame 
Source IP 

SDBIZ

 

20f3

inic?fmafoi". is exerripl: from disclosure .zr?oerthe Freedom of lmforma?iiOh 9.33": 2300 and may be subieol to ezrz-eroiiori under
other UK legislation. Refer dis-cloaks requests to GCHQ on

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Technical Details: Link 5DBIY and 5DBIZ
Modulation QPSK
Symbol rate 853.333Kbps
Data rate 1280Kbps
Fee rate 3/4
Fec Type VITERBI
Overhead NONE
Reed Solomon None
Randomizer F20 (0,17,20)
Differential encoding

Can this carrier be tasked on the Collection System? Yes, subject to availability of
resources

Contacwemus Email: 


30f3

This information is exempt from disclosure underthe Freedom of Information Act 2000 and may be subiect to exemption under
other UK information legislation. Refer disclosure requests to GCHQ on

SECRET SPOKE