The South East 2m VHF network:
VK5RMG 146.900MHz (The Bluff),
VK5RKN 147.975MHz (Mt Benson),
VK5RNC 146.650 MHz (Naracoorte),
VK5RBT 147.950 MHz (Willalooka)
And a secondary network:
VK5ROH 439.825 MHz (Mt Gambier)
VK5RSE 146.800 MHz (Mt Graham)

View a larger copy of the coverage map here
How to make a Repeater Coordinator happy
