IF YOU ARE GOING TO FLY CLEAR OF CLOUD IN CLASS G AIRSPACE IT IS A LEGAL REQUIREMENT THAT YOU HAVE A VHF RADIO AND BROADCAST THAT THIS IS HOW YOU ARE OPERATING.
Eg. On the centre frequency "All Stations Maleny, 172 ABC is tracking north over the navaid at 2800' OPERATING CLEAR OF CLOUD, Maleny
Best piece of advice I've heard all week