a recording from Nils Schiffhauer (2011)
here a double-verification: a QSL-letter for the AFTN circuit,
and a PPC for the air/ground service (rb, 1985)
------------------------------------------------------------
Callsigns:
5UA **
Frequencies Voice:
2878
3419
5493
5652
5680
6586
8864
8873
8894
8903
13273
13294
15931
Frequencies Radioteletype:
3352
3612.5
3797
3869
4478
5160
5404
5730.5
6883
7410
7596
7596.1
7614
7670
7762.5
7922
8010
8030.5
9159.5
9187.5
9207
9217
9354.5
9848
10378
10639.4
10745
11461
11575
12187.5
14381
14937.5
15768.5
Systems used:
50 Bd
ARQ-M2-96