PETRA Amman :
RTTY test transmission from 1986, giving transmission schedule (rb)
just in case you have no decoder at hand ;-)
here a nice formletter (Willi Passmann, 1984)
very friendly and detailed QSL by 2 letters (rb, 1986)
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Callsigns:
JYF *
Frequencies Radioteletype:
3965
5055
5940
6530
6675
6830
9463
10185
10674
11580
13485
14560
15810
Systems used:
50 Bd
75 Bd