Some historic sounds of High Frequency marine radiotelegraphy from 1993.
(In "wav" format)

Oostenderadio / OST on 12781 khz(113kb)

Rogalandradio / LGW sends a traffic list on 8 Mhz (243kb)

Sydneyradio / VIS on 8521 khz(83kb)

St. Lys / FFL on 8522.5 khz with VIS only 1.5 khz away(128kb)

These recordings were made by the author onboard the New Zealand inter island rail ferry ARAHURA / ZMBS in November 1993 when I was Radio Officer. Lots of HF band noises because of the long distances involved, except for Sydney.