Complex sentence: WKSC-FM (103.5 FM)--branded as 103.5 KISS FM--is a Top 40 (CHR) radio station serving the Chicago area, owned by iHeartMedia (formerly Clear Channel Communications until September 2014).
Split into simpler sentences: WKSC-FM (103.5 FM)--branded as 103.5 KISS FM--is a Top 40 (CHR) radio station serving the Chicago area. They are owned by iHeartMedia (formerly Clear Channel Communications until September 2014).