NDB Stavanger-Sola *ZO :
no recordings available
on this historical copy of a flight chart you can find ZO-352, too (Rudy van Dalen, 1983)
here is one more multi-QSL from Rudi Renkwitz, verifying VGA-355, YG-396, and ZO-352 (2006)
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Callsigns:
ZO
Frequencies Morse Telegraphy:
352.