100.3 SoundFM CKMS Radio Waterloo is a community station in Waterloo Region. Broadcasting for over 35 years, CKMS prides itself on bringing the campus and community together. Broadcasting 24 hours a day on 100.3FM, Rogers Cable 946 and soundfm.ca, CKMS is your best choice for community voices and sounds in the Kitchener-Waterloo area.