Radio Adelaide 101.5FM broadcasts J-Talk 8-9pm every Friday with lots of J-Pop and segments in Japanese as well as English. J-Talk is presented by the Australia Japan Association of South Australia.
SBS Radio on 106.3 FM or 95.1 FM in the foothills - Has a program each Tuesday 10:00pm till 11:00pm. Their website also includes on-demand Japanese language news and some archived programs.
NHK - Radio Japan - Japan's national broadcaster on shortwave to Australia everyday. Streaming news in English and Japanese is available from their site along with Japanese lessons.