priyom.org

M03

Enigma ID M03

Spectrum image m03 spectr

Name
Frequencies
Status Inactive
Voice N/A
Emission mode ICW
Location Poland
Activity pages

Download audio sample

Known counterpart stations E11, G11, S11, S11a, F11

M03 is the former Morse code flavor of the Polish 11 operator. Inactive since February 2016.

Non-traffic format:

437 / 00 = = 0 0 0
3-figure ID   No groups  
Repeated for 3:10 minutes  

Traffic format:

Intro Message Outro
877 / 38 = = 33542 33542 ... 85649 85649 = = 877 / 38 = = 33542 26316 ... 12829 85649 = = 0 0 0
3-digit ID   Group count   5-digit paired groups,
pause every 10 pairs
  3-digit ID   Group count   Single group repeat,
pause every 10 groups
 
Repeated for 3:10 minutes       Repeated 5 times      

The speed for non-traffic messages is either 10, 12 or 15 WPM. The traffic is always 15 WPM. Zero is represented by T (single dash).

Scheduling

All M03 schedules were weekly, followed year-round UTC (no DST adjustments), and used three different frequencies depending on the month - one for November to February, one for May to August and one for the remaining months. For most of the time there was no traffic, and one random week of the month a message was sent that always consisted of 30-38 groups. Those always had a repeat transmission in the same week.

In the last years of operation, each schedule was preceded by a digital transmission that delivered the same message that would later be sent in Morse, on a nearby frequency.

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