Seoul Meteo :
no recordings available
nice and detailed QSL letter (2004)
later they used this nice QSL card (2006) (both: Frank Schüttig)
see their website for up-to-date information!
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Callsigns:
HLL *
Frequencies Morse Telegraphy:
5810
11620
Frequencies FAX Picture Transmissions:
5857.5
7433.5
9165
13570
Frequencies Radioteletype:
3585
5913
7433.5
11645
Systems used:
120 rpm
50 Bd