this recording from the late 1960's is from the collection of
Hajo Russow, Berlin
they used a real fine QSL-card (Maarten van Delft, 1964)
changed card, after take-over
by IT&T (Lars Lundström, 1966)
------------------------------------------------------------
Callsigns:
OCB **
Frequencies Voice:
7640
10125
10880
10970
12085
12150
13700
13850
14845
15585
16100
16345
17480
17600
18295
18455
18680
19100
19150
20290
20320
20340
20470
20850
22850
Frequencies Morse Telegraphy:
14745
Frequencies Radioteletype:
12100
15660
Systems used:
50 Bd