no recordings available
nice letter, card, and sticker
from the collection of Maarten van Delft (1992)
on 'Wikipedia' you may find
informative pages
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Callsigns:
CAD7P
CCZ
Frequencies Voice:
10714
14385
Frequencies Morse Telegraphy:
6439
8558
Frequencies Radioteletype:
8828
Systems used:
SITOR