no recordings available
a prepared post card (ppc) from 1978 for a morse code transmission
(Lars Lundström)
this ppc is from 1986 for an air/ground service transmission
(rb)
another ppc; in 1987 morse code was still in use (Lars Lundström)
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Callsigns:
PPM9
PRR4
PVQ
ZVN3
ZWBE
ZYK
Frequencies Voice:
3479
4663
5526
5553
6541
6547
6559
6562
6568
6580
6680
6704.5
8819
8843
8855
8861
8939
10009
10042
10060
10093
10096
10208
11122
11195
11327
11339
11366
11375
13309
17916
Frequencies Morse Telegraphy:
5085
10435
14446
17365
18568
Frequencies Radioteletype:
12036
12107.5
17478
Systems used:
50 Bd