listen to their call from
2182 kHz, recorded in 1988 by Rudy van Dalen
a little card, but giving clear confirmation (Rudy van Dalen,
1984)
this ppc arrived in 1985
(rb)
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Callsigns:
FFM
Frequencies Voice:
1671
1903
1906
1936
1939
2182
2625
2628
2649
3792
3795
Frequencies Morse Telegraphy:
432
436
448
500
512
514.5
Frequencies Radioteletype:
1607
1610.5
Systems used:
SITOR