CJRC did have very go0d ratings despite being the only local French AM at the time. Once they switched to FM their ratings dropped, first due to the poorer signal, then due to the format switch. Once the simulcast on 1150 ended, the next bo0k showed a terrible drop in listening. CFRA's drop was quite substantial, and that has to due I think in the type of programming they're doing which doesn't sit well with the average Ottawan. I don't think there's another market where cbc has such a high percentage of listening. And having only right leaning hosts in a city that is more left leaning in nature (at least in the inner core) does tend to drive people away. I hear from every person I know that the only reason they don't listen to CFRA is because of it's political bias. I don't speak French so I have no idea what (if any) bias CJRC had as a talker, and I certainly couldn't enjoy the programming since I didn't understand any of it. Having the Senators games in French I'm sure was another plus for them.
One of the reasons CJRC gave for wanting to go to FM was that they couldn't compete being on AM...well the switch to FM showed that they just wanted to be a music station, and in doing so, they lost a third of their audience.