NDB Bucharest - Otopeni *OTL :
listen to this recording of OTL-370, made 2020 with the help of a Kiwi-SDR in the region (rb)
a QSL for OTL-370 from the collection of Patrick Robic (1999)
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Callsigns:
A
B
OTL
Frequencies Morse Telegraphy:
370
.