Nagasaki Radio :

 

listen to JDB Nagasaki and EAD Madrid in this recording from Andy Stumpf (1987)

 

a nice hand-made QSL letter (Frank Schüttig, 1974)
even nicer, this hand-made and hand-colored QSL and info letter (rb, 1982)

 

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Callsigns:
JCG
JDB
JIT
JOR
JOS
JOU
JSM

 

Frequencies Voice:
2182

 

Frequencies Morse Telegraphy:
416.5
422.5
436
483
500
512
517
4328
6457.5
6491.5
8463
8523.4
8706
12673.5
13008
13063
13069.5
16877.5
16933.2
17093
17093.6
17215
17220.5
22646.5
22659.5
22690.5

 

Frequencies Radioteletype:
4215
6325
8424
12592
16814.5
22384

 

Systems used:
SITOR