S06 – The Russian Man Numbers Station Profile

S06 is the Russian counterpart numbers station to E06. This station has many variants, and is operated by the Russian GRU. Similar to E06’s format, S06 transmits a test tone and the ID about 10 minutes before a message.

Recording Sample


S06 usually sends two identical transmissions 30 – 60 minutes apart.  The 2nd transmissions is 1-3 MHz higher or lower in frequency.  This schedule repeats the next day on the same time and frequencies.

Message Format

Preamble Message Repeat Outro
279 508 508 15 15 11289 11289
48733 48733 …
508 508 15 15 00000
3-digit ID 3-digit 2nd ID
Group count
5-digit paired groups 3-digit 2nd ID
Group count
4 minutes

Null Format

497 497 497 00000
3-digit ID
 Repeats 4 minutes


Numbers Station Summary

Nickname: The Russian Man
Activity: Active
Emission Mode: USB + Carrier
Voice Summary: Voice changed often throughout its existence. Currently an automated man’s voice in nasally Russian.
Believed Country of Origin: Russia
Counterpart Stations: E06, E17, E20, G06, V06, M25, M25
Station Family: Family 1 Subfamily A “KGB/FSB/GRU” [The 00000 Family]



S06 has 7 number stations variants and a pending variant with a placeholder ID.


S06 variant “idler” format. Sends 55555 00000. Activity is unknown, but still could show up.


S06b is an S06 transmission with two messages and follows a different format.


S06c is a variant of S06 that sends a single 5 digit group for 4 minutes and always starts with 11. Emitted in either AM or USB.

Example of transmission above:
“11007” for 4 minutes


S06d sends an ID plus a 3 digit stutter group “111”. Repeats the 5 zero end twice. Emitted in AM or USB and is possibly still active..


S06e is an S06 transmission with more than one message. More than two messages possibly.  Emits in USB or AM mode.


S06f is a variant that sends a 3 group message ending with 00000.


S906g is a pending variant of S06.  It was first spotted on March 2nd, 2014 on 11703 kHz.  Has the same format as S06 but with an additional 5 Figure header.