Kinshasa Aero :

 

this is a recording of the RTTY test transmission (rb, 1988)
just in case you have no decoder at hand ;-)
a recording from Rudy van Dalen, made in 1992
here is a recording from the collection of Nils Schiffhauer (2011)

 

2 PPCs, verifying both voice and RTTY transmissions (rb, 1985/1987)
another PPC, received by Lars Lundström (1985)

 

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Callsigns:
9PL **
FZAA

 

Frequencies Voice:
2851
2878
5493
6559
6586
8861
8879
8888
8903
8913
13294
13304
13330

 

Frequencies Morse Telegraphy:
11319

 

Frequencies Radioteletype:
3270
5868
5906
6790
7357
7573
7769
7777
7889
9040.5
9058
9065
9093
10104
11027.5
11470
11577
11657
12123.5
12138.4
12290
13390
14786
16245
17647
18232
18314.5
18363.5

 

Systems used:
50 Bd