 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.In 1971, CKDA increased its power to 50,000 watts, moved to 1200 AM on July 1, 1986, and dropped its oldies format for an all-'70s music format in 1994.CKDA and CFMS founder David Armstrong died on April 22, 1985, after which point his widow, Sheridan Armstrong, took over running the stations.