ICRC Cairo :
listen to a telegraph call from 'SUR88' (rb, 1985)
look at this PPC from 1976 from the collection of Lars Lundström
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Callsigns:
SUR88
Frequencies Voice:
20871
Frequencies Morse Telegraphy:
13965
20753
20941
Frequencies Radioteletype:
13966.4
Systems used:
PACTOR
SITOR