22 May 2020

unid 200Bd/800 FSK

Odd  and unid (to me) 200Bd/800 FSK spotted this morning on 5094.7 KHz (CF). ACF shows a transmission period of 15 bit: 111101011100101
Apparently, no relevant results after defferential decoding or descrambling tries.
Fig. 1
Fig. 2 - 15-bit pattern in the decoded bitstream
Note also in Fig. 3 the unwanted "spikes" during the manipulation when carrier (and carrier phase too in this case) change:

Fig. 3
All my TDoA Direction Finding runs point to the District of Poznan, Poland.

Fig. 3 - TDoA results
https://yadi.sk/d/OIm7MzUJKRx9Sw
https://yadi.sk/d/dLieSh9imUYBfg

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