Colombo Aero :
no recording available...
2 PPCs, one for RTTY AFTN circuit, the other for air/ground voice (rb, 1985/1987)
here a recent PPC (Patrick Robic, 2011)
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Callsigns:
4RM **
VCCC
Frequencies Voice:
3470
5670
6556
8879
10066
11285
11396
13306
13318
17907
Frequencies Morse Telegraphy:
3770
5854
15776
Frequencies Radioteletype:
2825
3095
5115
5854
5917
6529.5
9270
10955
Systems used:
50 Bd