a recording from 2014 (rb)
nice QSL card from the collection
of Patrick Robic (1999)
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Callsigns:
RTT
Frequencies Morse Telegraphy:
303
NDB Rattenberg *RTT :
nice QSL card from the collection of Patrick Robic (1999)
------------------------------------------------------------
Callsigns:
RTT
Frequencies Morse Telegraphy:
303