recorded by Andy Stumpf (1987)
a PPC from 1981 (rb)
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Callsigns:
JFA
Frequencies Voice:
4390
8800
13134
17293
22723
Frequencies Morse Telegraphy:
4304
6388
8470.5
8547.5
8628
12788
12845
12847.5
17081.5
22524
Frequencies FAX Picture Transmissions:
16907.5
Frequencies Radioteletype:
4210.5
4213.5
6314.5
6322.5
8428
8430
12579.5
12582.5
16807
16841
22376.5
22388
25040
Systems used:
60/120 rpm
SITOR