CILM-FM is a French-language Canadian radio station located in Saguenay, Quebec. The station carries adult contemporary format as part of the Rythme FM network. Owned by Cogeco, it broadcasts on 98.3 MHz using a directional antenna with an average effective radiated power of 51,000 watts and a peak effective radiated power of 100,000 watts (class C1). Before 2007, the station was heard on the AM band on 590 kHz with a daytime power of 25,000 watts and a nighttime power of 7,500 watts as a class B station, using a directional antenna with slightly different daytime and nighttime directional patterns in order to protect various other stations on that frequency. CKRS went on the air on June 24, 1947. The station broadcasts from the CBC Tower on Warren Street in Chicoutimi.