Dora you dingbat
.......you speak
too much common sense!
I agree, YRED/YCAB should be 118.8 and Gladstone should bugger off
, and YCDR plus the whole of Bribie Island training area should be on the YCDR frequency. But that would be a funny CTAF dimension and would need to be marked on a chart...........ohhh bugger we know what happened with that concept