Rio de Janeiro Aero :

 

no recordings available

 

Lars Lundström received this very informative letter in 1978
From 1985, nice QSL letter and ppc (rb)

 

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Callsigns:
PVJ
ZVK
ZWRJ
ZXY

 

Frequencies Voice:
3452
4663
5526
6541
6556
6559
6704.5
8855
8861
8939
10009
11195
11375
13309
17907

 

Frequencies Morse Telegraphy:
10433
15685
16428
17365
17695
18568

 

Frequencies Radioteletype:
5066
5320
7305
7342.5
9240
9297.5
12310
13795
13916
14525
14810
16240
17645
18188
18608
20747
23310

 

Systems used:
50 Bd