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E12

Enigma ID E12

Name NNN
Frequencies 4024, 4644, 5072, 5177, 5821, 8180
Status Inactive
Voice Female, automated
Emission mode AM
Location Austria
Activity pages

Known counterpart stations G12, V12, V18, M02

Last heard on November 6, 1997.[2]  Originally transmitted alongside G12, E12 replaced it completely on June 6, 1994.[1]

Format:

Preamble Message Repeat Outro
"N" Group 25 44919 44919 22261 22261 ... "N" Group 25 44919 44919 22261 22261 ... End
Sent slowly in Morse code Amount of 5-figure groups in the message 5-figure paired groups Sent slowly in Morse code Amount of 5-figure groups in the message 5-figure paired groups  
Repeated for 5 minutes Repeated twice   Repeated 10 times Repeated twice    

The amounts of groups of E12 messages were always rounded to the nearest multiple of 5.[3]

The following is a list of schedules that E12 operated.[1] Despite weekly operation, there was only one message a month. E12 was unaffected by DST.[3]

Day UTC Frequency UTC kHz [Summer] kHz [Winter]
Monday 10:00 8180 kHz 21:00 5177 4644 kHz
Wednesday 04:00 5072 kHz 21:00 5177 4644 kHz
Thursday 04:00 5821 kHz 20:00 5821 4024 kHz
Friday 04:00 5072 kHz 21:00 5177 4644 kHz

References

  1. ENIGMA Newsletter #6 (August 1994), p. 3 - read a scanned version here
  2. ENIGMA Newsletter #14 (January 1998), p. 6 - read a scanned version here
  3. ENIGMA Newsletter #4 (January 1994), p. 5 - read a scanned version here
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