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S02

Enigma ID S02

Name Drums and Trumpets
Frequencies 4740, 5500, 6675
Status Inactive
Voice Female, automated
Emission mode AM
Location Bulgaria
Activity pages

Known counterpart stations

S02 was operated by Bulgarian intelligence, last heard in 1996. The language was Bulgarian.

Transmission format:

Preamble Message Repeat Outro
Drums and trumpets Nomer 89 Grupi 44 16293 16293 68301 68301 69693 69693 ... Nomer 89 Grupi 44 16293 68301 69693 ... Kray
  "Number 89" "Groups 44"   "Number 89" "Groups 44"   "End"
  ? Amount of 5-figure groups in the message 5-figure paired groups ? Amount of 5-figure groups in the message 5-figure single groups  
Played for 5 minutes Repeated twice   Repeated twice    

In 1995, S02 had one schedule - 9th of each month at 19:30 UTC during DST in CET timezone, and at 20:30 UTC otherwise, on 4740 kHz[1]. An hour before the transmission, the first few bars of "Il Silenzio" would have been played; this was dubbed "the Bugle", or by the ENIGMA designator "X01" (initially "S02b"). On the variant S02a, however, it would have been played right before the transmission.

References

  1. ENIGMA Newsletter #10 (January 1996), p. 11 - read a scanned version here
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