no recordings available
it takes lots of skills not only to receive their signals, but
to get a QSL also... (Lars Lundström, 1975)
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Callsigns:
LJP20
Frequencies Morse Telegraphy:
3593
4632
6792
7532
9200
10390
14818
Frequencies Radioteletype:
4837.5
9200
10295
12224.5
Systems used:
SITOR