listen to the telegraph wheel (rb, 1971)...
...or listen to the voice mirror (rb, 1971)...
a QSL from the 'Armed Forces Day' of 1968 ...
...as well as from 1969 (both: Costas Krallis)
look at the nice QSL card for 'standard' service (rb, 1971)
------------------------------------------------------------
Callsigns:
NSS
Frequencies Voice:
2426
3326
4005
4010
4015
4040
4045
4525
4530
4625
4800
4805
4850
4975
5052
5155
5295
5340
5345
5385
5800
6835
6880
6970
7301
7375
7455
7535
7615
7784
7895
7965
7992
8010
8020
8030
8035
8080
8090
8150
9050
9085
9190
9214
9250
9260
9405
9425
10130
10245
10255
10290
10690
10860
10865
11064
11080
11430
11536
11572
12015
12030
12098
12120
12225
12315
13380
13520
13530
13550
13575
13590
13610
13683
13755
14480
15575
15738
15994
16020
16060
16160
16170
16175
16180
16300
16385
16410
16420
16438
17370
17430
17530
17540
17560
17590
17658
17690
18035
18080
18100
18125
18792
18990
19270
19420
19430
19970
20015
20025
20075
20225
20375
20400
20450
20485
20550
20570
20625
21785
22840
22910
22918
23012
23150
23160
23180
23245
23290
23400
23650
23690
23700
23855
24090
24270
24430
24450
24570
24845
24930
25360
25575
25590
26535
26540
26550
26615
26675
26750
26825
26835
26875
27150
Frequencies Morse Telegraphy:
5870
8090
12135
12155
16180
22590
Frequencies Radioteletype:
21.5
51
5430
6262.5
9958
12045
14388
22764
Systems used:
50 Bd
Packet Radio
?