This was/is the australian agency responsible for the research stations in the antarctic area, Casey, Mawson, Davis, Macquarie, and the abandoned base on Heard Island
they worked their stations
via Sydney Radio - here a call to Davis
Base, Antarctica (Rudy van Dalen, ca 1980)
here a QSL letter verifying
Davis Base (Hans-Friedrich
Dumrese, 1983)
here is their very informative website with all the stations
and all the history
------------------------------------------------------------