 When you can't hear KAWC at 88.9 FM on your radio, you can listen to our stream at kawc.org or download the KAWC app from your app store. Install the app and listen to KAWC on your smartphone. The City of Yuma's 13th Annual Back to School Rodeo will take place at the Yuma Civic Center on Saturday, July 20th from 9 a.m. to 1 p.m. The first 2,000 students, K-8th grade, will receive a bag filled with school supplies.