recorded in 1984, here you
have Sanaa, Jeddah,
Cairo & Khartoum
working each other & aircrafts (rb)
from 2011: Nils Schiffhauer
recorded a contact between Sanaa and Mogadishu
PPC with a friendly letter, from the collection of Michael Oexner
(1983)
again, a small letter with a PPC, but looking quite different
(rb, 1988)
------------------------------------------------------------
Callsigns:
OYSN
Frequencies Voice:
4036
4438
4638
5050
5100
5115
5450
5517
5658
5935
7595
8096
8819
8879
8918
9045
11300
13288
Frequencies Radioteletype:
9043
Systems used:
50 Bd