listen here to the recording from Nils Schiffhauer (2011)
QSL by PPC (Lars Lundström, 1985)
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Callsigns:
5TY
Frequencies Voice:
5680
6673
8861
8894
8984
Frequencies Radioteletype:
2672
4915
5135
5783
6975
9450
9843
10217.5
10537.7
Systems used:
50 Bd