Choshi Radio :
from the files of Andy Stumpf (1987): JCS working in telegraphy, with SVA nearby
nice QSL card, showing the antenna farm (Frank Schüttig, 1976)
different view of the antennas on this QSL card (rb, 1982)
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Callsigns:
JCS
JCT
JCU
JDC
JMA
Frequencies Morse Telegraphy:
418.5
446
500
512
4225
4349
6467
6479
6485
8479
8647.5
8653
8653.6
8686
12687
12826.5
12878
13054
16998.5
17043.2
17112.6
17166.5
18795
22463
22636.5
22669.5
Frequencies Radioteletype:
4211
6317.5
8421.5
12581
16810
22379.5
Systems used:
SITOR