no recordings available
see here a QSL letter from the collection of Lars Lundström
(1965)
very detailed, informative,
and impressive QSL letter ! (Martin Foltz, 1974)
------------------------------------------------------------
Callsigns:
XBD ***
XDA ***
XDD ***
Frequencies Voice:
7350
10452
10565
13378
13458
13527
13945
13995
14987
17510
17630
18700
18750
18880
19400
19496
20150
20600
20908
21770
23005
Frequencies Radioteletype:
14525
Systems used:
50 Bd