their voice mirror, in a recording from 1971 (rb)
another recording, by Willi
Passmann
detailed QSL form letter (Peter Conway, 1971)
------------------------------------------------------------
Callsigns:
9LL **
Frequencies Voice:
8029
10445
13695
15841
17655
17658
18344
19210
23830
Frequencies Radioteletype:
10126
Systems used:
50 Bd