SA GRN Site - Mt Gambier Location - Major Radio Site Potters Point Hay Drive MOUNT GAMBIER Lat/Long -37 50 12 / 140 45 35 Data Channel 413.3875 Voice Channels 412.6375 412.8875 416.3875 416.8875 417.3875 412.8875 (New) 415.3875 (New) 418.6375 (New)