Enigma ID S11a

Spectrum image e11a_spectr

Name Cherta
Frequencies Several frequencies spanning 4 to 19 MHz
Status Active
Voice Female, automated, with Polish accent
Emission mode USB
Location Poland
Activity pages

Download audio sample

Known counterpart stations E11, G11, S11, M03, F03, F11, P03

S11a is the Russian language flavor of the Polish 11 operator.

Non-traffic format:

371 Cherta 00 Konets
3-figure ID / No groups  
Repeated for 3 minutes 15 seconds  

Traffic format:

Intro Message Outro
420 Cherta 38 Vnimanie 49468 49468 ... 08682 08682 Vnimanie 49468 51422 ... 53682 08682 Konets
3-digit ID / Group count May be omitted 5-digit paired groups,
pause every 10 pairs
May be omitted 5-digit single groups,
pause every 10 groups
Repeated for 3 minutes 15 seconds          

The voice uses Polish phonetic pronunciation:

0 1 2 3 4 5 6 7 8 9 * / +
Nul Adinka Dwojka Trojka Cienciorka Pietiorka Szest Siem Wosiem Diewiet Wnimanie Cirta Kaniec


All S11a schedules are weekly, follow year-round UTC (no DST adjustments), and use one of three different frequencies depending on the month - one from November to February, another from May to August, and yet another for the remaining months. For most of the time there is no traffic, but always at least once every month, a message is sent that is usually between 20 and 40 groups long inclusive. Those always have a repeat transmission later in the same week.

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