S11 was the Polish language mode of the Polish 11 operator. It was last reported as a regular operation in early 1994 and has since been replaced by the Russian language S11a. The most recent known transmissions of S11 are training broadcasts made in August/September 2002.
|954||Kreska||31||Uwaga||76645 76645 ... 67423 67423||Uwaga||76645 49640 ... 09410 67423||Koniec|
|3-digit ID||"/"||Group count||5-digit paired groups,
with pauses every 10 pairs
|5-digit single groups,
with pauses every 10 groups
The forms of the numbers used were as follows: