S Emb Hanoi :

 

no recordings available

 

as always, very reliable QSLer (rb, 1984)

 

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Callsigns:
SAM59

 

Frequencies Voice:
18945
23529

 

Frequencies Radioteletype:
17428.9
18187.5
18757.9
19218
20699.9
23528
23547.9
23592.9

 

Systems used:
75 Bd
SWED-ARQ