AF Köln-Wahn (DHJ67) :
no recordings available
see this prepared QSL from Dieter Pohlmann (2009)
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Callsigns:
DHJ67
Frequencies Morse Telegraphy:
5478
13938
19138
Frequencies Voice:
4516.5
Frequencies Radioteletype:
4047
9041
13934
13938
14962
Systems used:
50 Bd
75 Bd
100 Bd