Weak signal heard on 5115.5 KHz, central frequency, at 0549 UTC. Analysis with SA reveals an FSK signal running at 300Bd and 400 Hz shift.
fig. 1
fig. 2
Once demodulated, the presence of the KG-84C 64-bit sync pattern (fig. 3) leads to think about a NATO partner Nation: looking at precedent posts, most likely the signal belongs to the Turkish FSK waveforms.