Aden Aero :
no recordings available
no pictures of QSLs or other info available
for more details from before 1990 (including recording and picture), look here
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Callsigns:
7OC
Frequencies Voice:
3467
5658
5667
7595
8918
11300
13288
13336
Frequencies Radioteletype:
5442
5879
5977.5
6765.5
7340
11005
11056
11541
11640
14395
Systems used:
50 Bd