no recordings available
here a friendly letter, received by Maarten van Delft in 1990
Lars Lundström received this PPC in 1991
Maarten van Delft went to the headqurters for this picture
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Callsigns:
ONY20
OP63
RQFNC
RQFZA
Frequencies Voice:
10230
10233
10403
23332
23366
Frequencies Morse Telegraphy:
4490
Frequencies Radioteletype:
10233
10403
10746.5
20401
22761.5
Systems used:
50 Bd
COQUELET-13