no recording available...
here a PPC from 1984 for the RTTY AFTN service (Lars Lundström)
2 PPCs verifying both the AFTN radioteletype channel, and the
air/ground voice operations (rb, 1986/87)
------------------------------------------------------------
Callsigns:
9UA **
Frequencies Voice:
5658
7840
8870
8879
8888
8903
8906
8913
11300
12095
13288
13294
13306
17961
Frequencies Morse Telegraphy:
2020
3579
3725
5360
6840
11319
16245
Frequencies Radioteletype:
9040.5
9200
11565
13870
14635
17457.5
Systems used:
100 Bd
50 Bd