it was a hard guess to figure out this location... (rb, 1971)
here the voice mirror with the location of the transmitter site,
'Loiza' (rb, 1973)
a different version (rb, 1974)
here the QSL-card, received in 1973 (rb)
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Callsigns:
WWK **
WWL **
Frequencies Voice:
7670
9940
10102
10106
10220
15470