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E06

Enigma ID E06

Spectrum image e06 spectr

Name English Man
Frequencies Various
Status Active
Voice Male, automated, with Russian accent
Emission mode USB + carrier
Location Russia
Activity pages

Download audio sample

Known counterpart stations E17, G06, S06, V06, V23, M14, FSK 200/1000, FSK 200/500

Run by one of Russian intelligence agencies. Its active counterparts are G06, S06, M14, FSK 200/1000 and FSK 200/500. Its defunct counterparts are E17, V06 and V23.

Non-traffic format: (rarely heard)

376 376 376 00000
3-digit schedule ID  
Repeated for 4 minutes

Traffic format, single message:

Intro Preamble Message Postamble Outro
460 597 597 123 123 33038 33038 ... 08047 08047 597 597 123 123 00000
3-digit schedule ID 3-digit group,
purpose unknown
Group count 5-digit paired groups 3-digit group,
purpose unknown
Group count  
Repeated for 4 minutes            

Traffic format, two messages: (rarely heard)

Intro Preamble Message Postamble Intro Preamble Message Postamble Outro
509 612 612 47 47 90728 90728 ... 09145 09145 612 612 47 47 509 387 387 60 60 91780 91780 ... 97482 97482 387 387 60 60 00000
3-digit schedule ID 3-digit group,
purpose unknown
Group count 5-digit paired groups 3-digit group,
purpose unknown
Group count 3-digit schedule ID 3-digit group,
purpose unknown
Group count 5-digit paired groups 3-digit group,
purpose unknown
Group count  
Repeated for 4 minutes           Repeated for 1 minute            

Typical scheduling

E06 and its voice counterparts' schedules are very scarce, because most regular traffic from the agency operating it is now digital (FSK 200/1000, FSK 200/500). However, it is common to hear unscheduled E06 transmissions, which also adhere to the rules described here.

Typically E06 transmits on the hour or at the half hour, but may also start at other times within an hour. The transmission is often repeated an hour later, or less commonly 30 minutes later, on a frequency that is either higher or lower by 1-3 MHz than the one on which the previous broadcast was made. In case traffic was sent, the two transmissions are often repeated also the next day at the same times and on the same frequencies.

The schedule ID may either:

  • Stay the same all year long and not change
  • Stay the same all year long and change yearly
  • Change monthly, ID for each month being re-used every year
  • Change seasonally, different ID for each of those month sets: (changing along with frequencies)
    • January, February, November, December
    • March, April, September, October
    • May, June, July, August

10-15 minutes before a transmission, a several minutes long 1200 Hz test tone is emitted, followed by the ID of the upcoming transmission given once.

20-group messages

One schedule, on 1st and 3rd Thursday of the month at 20:30 and the following day at 21:30, is very specific in operation. Its operation is only partially automatic - it is booted up manually, usually either two minutes early or late. The messages it gives are always 20 groups long, and are non-random in appearance. The messages are re-used for 1-2 years, and usually there two texts alternating every a few months.

The testing procedure is also different to the one described above. It takes place an hour before the start of the transmission, and consists only of a repeated string of either "01234" or "56789", which ends abruptly.

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