You will find CMS working events at Seattle Center, Puyallup Fair, Key Arena. They are also out at the Gorge Ampitheater where I have picked them up on those freq.
Follow up. I will try to listen for activity tonight. I might not be home.I looked at the concert schedule . Guns N Roses are in town for a one night show. Which explains the activity I heard related to a plane preparing to touch down . And security detail being on hand to greet them and escort them to their hotel