a recording of their CQ call, made 1984 on 8 MHz (rb)
a nice QSL letter (Rudy van Dalen, 1985)
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Callsigns:
6YI
Frequencies Voice:
2182
2587
2590
3535
4369
4402
6513
8752
13146
Frequencies Morse Telegraphy:
458
500
3535
6470.5
8465
13065
16947.6