Radio Rivadavia Buenos Aires :
no recordings available
here is a QSL from Maarten van Delft for this broadcast relay (1989)
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Callsigns:
LRB**
LRO31
LTU70
Frequencies Voice:
3390
4469
4588
5400
5415
5880
8098
9115
11055
11090
13361
14368.5
15780