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Enigma ID S06s

Spectrum image S06s-20130919-0910z-1.jpg

Name Russian Lady 0 0 0 0 0
Frequencies Various
Status Active
Voice Female
Emission mode USB + carrier, AM
Location Ukraine
Activity pages

Download audio sample

Known counterpart stations E17z

S06s is transmitted from central Ukraine. The language is Russian. S06s follows the same format as S06 and other GRU stations. However, it has very specific behavior, and is probably ran by the Foreign Intelligence Service of Ukraine (SZRU). For the current times and frequencies, refer to our Number Station Schedule.

Null format:

729 729 729 0 0 0 0 0
3-figure transmission ID
Repeated for 4 minutes

Traffic format:

Preamble Message Outro
167 234 5 46062 46062 21767 21767 05899 05899 26635 26635 47665 47665 234 5 0 0 0 0 0
3-figure transmission ID 3-figure group, purpose unknown Amount of 5-figure groups in the message 5-figure paired groups 3-figure group, purpose unknown Amount of 5-figure groups in the message  
Repeated for 4 minutes Repeated twice Repeated twice   Repeated twice Repeated twice  

Note that the zeroes at the end are always spaced.

Messages never contain less than five groups, and don't usually exceed nine. If the transmission ID, the 3-figure group and the amount of 5-figure groups were put together in a string, not a single repeated digit would have been seen. The messages are believed not to contain encrypted text, but codes from a code book instead. Groups from other messages are frequently recycled, and often even entire strings are the same as in messages sent months and even years ago. Note that S06s's counterpart E17z makes use of the exact same groups as S06s.

On one schedule, one message is sent for the first two weeks of the month, then another one for the other two weeks. On the fifth week, only null messages are transmitted. Rarely, an ID may start sending null messages randomly, in case of which it will change its frequencies, and transmit every 10 minutes five times, rather than usual two.

S06s operates a large amount of schedules. Messages are repeated ten minutes after the first sending, on either higher or lower frequency. The transmissions are always automated, and frequently over-modulated. They may start a few seconds early or late, due to the time reference being out of sync.

S06s transmissions began in May 2004, and started using the current voice in mid-2005. However, it went without specific ENIGMA designation until 14 January 2010. Up until then, its transmissions were logged as "S06 ending slow."