priyom.org

M11

Enigma ID M11

Name
Frequencies 5019
Status Inactive
Voice N/A
Emission mode ICW
Location Slovakia
Activity pages

Known counterpart stations S10e

M11 was ran by Slovak Secret Intelligence Service (SIS). Morse code counterpart to S10e. Last heard on 12 June 2007.[1]

Format:

Intro Preamble Message Outro
111 111 111 45897 45897 45897 21 21 21 45897 45897 73 73 21 21 BT BT 68114 68114 27826 27826 ... BT BT 73 73 21 21 0 0 0
3-figure arbitrary ID 5-figure recipient ID Amount of 5-figure groups in the message 5-figure recipient ID 2-figure group, purpose unknown Amount of 5-figure groups in the message   5-figure paired groups   2-figure group, purpose unknown Amount of 5-figure groups in the message  

Each transmission contained always four messages, addressed to four different recipients - the ID's and the lengths were included in the intro the same way as the first one, and the same message procedure was used for each one, but only the last message ended with "0 0 0".

M11 could have been heard every 28 days from Monday to Friday at 09:00 UTC on 5019 kHz.

References

  1. ENIGMA 2000 Newsletter #41 (July 2007) - available here
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