Australian Maritime Communications Stations
Unofficial site covering Sydneyradio, Brisbaneradio, Perthradio, Darwinradio, Melbourneradio, Townsvilleradio; services, general information, and history.
Penta Marine Radio Communications
Privately operated communication service that provides a continuous automatic HF radio gateway to the internet for email messages for yachts, pleasure craft and 4WD land mobiles around Australia and the Pacific Ocean, operating on a range of HF channels from 4 - 22 MHz.