In compliance with new broadcaster regulations regarding simulcasting, on March 21, 1965, CKDA-FM ended its simulcast of its AM sister and became CFMS-FM, airing an easy listening format from noon to midnight seven days a week.
On March 21, 1965, CKDA-FM transitioned from simulcasting its AM sister station to becoming a separate station with a new call sign and format, CFMS-FM, playing an easy listening format from noon to midnight every day of the week.