OPT Nouakchott :
recorded in 1971, the voice mirror in french (rb)
from 1980, this recording of the french and arabic version was made by Rudy van Dalen
friendly verification letter, with additional technical information sheet (rb, 1971)
in 1973, they used a different form letter, without details (Andreas Schmid)
this nice card was used in 1984 (Marcel Kurtz)
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Callsigns:
5TN **
5TP ***
Frequencies Voice:
4530
5398
5735
7500
7585
7631
9304
10667
10905
10916
10919
11060
11979
12005
13368
14364
14367
14370
14450
14942
14945
15635
15660
16041
16078
18346
18500
18736
18739
18742
18745
18940
18968
18971
18978
18981
18984
Frequencies Radioteletype:
10916
15796
18738
Systems used:
50 Bd