an APRS digi is run by the group from Mount Kitchener (PF95mk02) and is active (Aug 2016) at time of update. Live data about the digi-repeater can be found here:
http://aprs.fi/info/a/VK5BRC-1 Detailed view
If you would like to know more about APRS, have a look here http://vk5.aprs.net.au/index.html
APRS is short for Automatic Position Reporting System, which was designed and is copyright to Bob Bruninga, WB4APR, and introduced by him at the 1992 TAPR/ ARRL Digital Communications Conference.