this clip from the late 1960s was
recorded at the receiving end in London, showing the quality
of shortwave telephony (Paul Hawkins)
a recording from 1974, with strong radioteletype interference,
as amateurs received it (rb)
a QSL from the collection of Michael Oexner (1974)
a PPC for Maarten van Delft for a regional service to neighbouring
St Helena (1989)
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Callsigns:
ZBI**
Frequencies Voice:
7410
8128
10135
10199
12055
12304
13802
14767
16125
18264
19465
19870
23530
23583