the voice mirror in english and arabic, used in the 1970's (Willi
Passmann)
here is a typical QSL letter, issued in 1974 for Frank Schüttig
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Callsigns:
YKA**
YKE*
YKM*
YKW***
YKX*
YKY**
YKZ**
Frequencies Voice:
3606
5330
5480
5495
7700
7775
8058
9077
10720
10800
11018
11420
11990
12104
14747.5
16120
16300
16397
16440
17400
18533
19050
20195
Frequencies Morse Telegraphy:
14548
Frequencies Radioteletype:
5495
7866
9070
9077
9100
9301
10720
12100
13385
15726
18533
18732
18745
19636
Systems used:
50 Bd