CJUL was an English-language Canadian radio station located in Cornwall, Ontario.Owned and operated by Corus Entertainment, it broadcast on 1220 kHz with power of 1,000 watts as a class C station, using an omnidirectional antenna. The station broadcast from 1945 to 2010.The AM radio station in Cornwall originally signed on as CKSF at 1230 kHz in 1945, launched by the Cornwall Standard Freeholder.