SUI Emb Wien (HBD57) :

 

no recordings available

 

Joop Balneger received this friendly letter in 1983 from MFA Bern - not really a QSL, but at least a personal acknowledgement of reception!

 

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Callsigns:
HBD57

 

Frequencies Radioteletype:
5752.5
7660

Systems used:
SITOR