Complex sentence: KHQA-TV Channel 7 is the CBS affiliate for the Quincy-Hannibal-Keokuk area, which encompasses northeastern Missouri, west central Illinois and southeastern Iowa, since it first went on the air on September 23,1953.
Split into simpler sentences: KHQA-TV, Channel 7, is the CBS affiliate for the Quincy-Hannibal-Keokuk area, which encompasses northeastern Missouri, west central Illinois and southeastern Iowa. KHQA went on the air on September 23,1953.