priyom.org

M13b

Enigma ID M13b

Name
Frequencies
Status Inactive
Voice N/A
Emission mode MCW
Location Bulgaria
Activity pages

Known counterpart stations

M13b was a variant of M13 with messages that were up to 70 groups long, longer than the average. However, if a message 23 groups or shorter was to be transmitted, the M13a format was used instead. The format was otherwise identical to M13.

M13b had a schedule on 2nd and 4th Saturday and Sunday at 21:00 UTC, or 22:00 UTC during European winter time.

References

ENIGMA Control List, Revision #25, p. 18 [accessed October 7th, 2014]

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