Nickname: Russian Man “Control”
Emission mode: AM
Voice Summary: Automated man’s voice. Possibly the same voice as S06.
Believed Country of Origin: Russia
615 (x3) 5 DIGIT GROUP (#####) (x2) (repeats for 10 minutes)
Always had 615 as an ID, then sent one 5 digit group. It appeared on another frequency with another related 5 digit group. Not logged very often but had been reported in the early 2000’s. Emitted in AM.
S25a: A variant that features stutter groups.
S25b: S25b is an ID used for when S25 sends longer messages.
S25c: S25c was a variant of S25 that was transmitted on 14720 kHz. It has a single message group with ID “615”.
Family Relatives: E06, E20(?), G06, S06, V06, M14, M24, M25
Station Family: Family 1 Subfamily A “KGB/FSB/GRU”