Enigma ID n/a

Name F03
Status Active
Voice N/A
Emission mode USB AFSK, 400 bd, 960 Hz
Activity pages

Download audio sample

Known counterpart stations

This mode is believed to be a member of the Polish 11 family. It shares similarities with F11, for example the use of AFSK. During summer 2017 it was heard on a Monday/Friday schedule at 0940z/0945z on 10210 kHz, a well-known Polish 11 frequency. It seems to have moved to a new frequency in September, which again is typical of Polish 11 operations.

Transmissions only last for about 10 seconds. The protocol is still at an early stage of study, but there are signs that it could be based on 16-bit sequences, like F11.

Tentative schedule:

Day UTC Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
13873? ~10640? 10210 ~10640? 13873?
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