no recordings available
the airline communication station 'Praha Radio' verified in 1988
with a friendly letter and PPC (rb)
QSL by letter (Patrick Robic,
2000)
------------------------------------------------------------
Callsigns:
OKL
Frequencies Voice:
3497
5532
8924
10027
10078
13351
17940
21967
Frequencies Morse Telegraphy:
5659
13296
.