From the Collection of Rudolf P Gröger: the voice mirror
of NPN in a recording from the late 1960's
This is a double-dx recording: the voice mirror of TRTC
Panama is disturbed by the marker of NPN (rb, 1972)
beautiful QSL card, from the collection of Frank Schüttig
(1975)
TX-Site Agana
------------------------------------------------------------
Callsigns:
KUF810
NPN
Frequencies Voice:
2280
2598
2690
2716
2736
3185
3216
3335
4010
4025
4045
4470
4485
4545
4550
4585
4785
4820
4880
5155
5175
5733
6501
6723
6775
6970
6989
7365
7385
7428
7445
7765
7945
7990
8130
9245
9278
9370
9382
9428
9940
10135
10250
10255
10265
10445
10470
10775
11415
11468
11522.5
12145
13362
13465
13472
13578
13585
13710
13850
13880
15500
15525
15595
16055
16445
17411.5
17460
17540
17572
18032
18060
18368
18370
19120
19575
20012
20255
20280
20527
20925
22741
23010
23150
23180
Frequencies Morse Telegraphy:
4955
8150
12090
13380
13530
15925
17530
19120
21760
Frequencies FAX Picture Transmissions:
4977
5258
5260
5262
6359
7896
9383
10255
15992
16007
16027.6
18441
18620
19860
23010
24298
Frequencies Radioteletype:
4535
5412
6872
7319
7785
7965
8020
8150
9278
9382
10700
11130
11415
11430
11522
11522.5
13850
14840
15624
17411.5
17460
18368
18370
19120
19575
20025
20300
20527
20925
23050
23150
Systems used:
120 rpm
50 Bd
75 Bd
VFT