no recording available...
a letter with 2 PPCs from 1977 (Peter Conway)
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Callsigns:
TYE
Frequencies Voice:
5680
6586
6598
6638
8888
Frequencies Radioteletype:
2783
3544.5
3653
4030
5117.5
5221.5
7524
7670
9345
Systems used:
50 Bd
ARQ-M2-96