from 1984, a recording of the telegraph transmission (rb)
an interesting letter from the files of Lars Lundström (1982)
a nice letter with ppc, received
in 1985 (rb)
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Callsigns:
MTO
Frequencies Morse Telegraphy:
2282
2292
2817
2992
4498
5400
6446
6717
6721
Frequencies Radioteletype:
2488
2892.3
3220
4139
4168.5
4258.2
4258.3
4259.8
4300.3
4301.8
4406
4640
4861
5270
5300
5334.5
6248
6331
6336.3
6414
6902
7672.5
8062
8178
8318
8480
8613.1
8672.8
8706
8872.8
9130
9970
10399
12414.5
12807.9
12897.5
12906
14634
15750
16588
16613
16918.2
17020
17030.5
17918
18061
19860
22422.1
22550.3
24012.2
25012.3
Systems used:
50 Bd
75 Bd