UHF Radio Frequencies
The Riverland Cruising Boat Club usually uses Channel 27, unless it is too busy.
The Wooden Boat Association of South Australia also uses Channel 27.
The River Murray Boat Owners Association uses Channel 24.
Channels 5 and 35 are for EMERGENCY USE ONLY.
Official call Channel 11.
Road use is Channel 40.
4WD/off road: Channel 10.
Caravan and motorhomes: Channel 18.
Channels 22 and 23 are for reserved for telemetry/selcall and voice transmission is prohibited (channels are locked).
Channels 61, 62 and 63 are guard band channels and voice transmission is inhibited.
See the table below, abstracted from a GME UHF radio manual for additional details.
(https://www.gme.net.au/app/uploads/TX6160_Instruction_Manual.pdf, retrieved 30 May 2021)