Not much is known about this numbers station. S27 is mentioned in the ENIGMA Control List, but without much of a description. The message format could be similar to S21 – The Czech Lady. S27a is the ID when this station is sending messages.
Station Summary
Nickname: Czech Lady II
Activity: Inactive
Emission mode: USB + Carrier
Voice Summary: Female
Believed Country of Origin: Russia
Family Relatives: S21, M45, M01, M50
Station Family: Family 14 “M1”