Complex sentence: KPTM has significant viewership in Lincoln and has included that city in its station IDs for many years even though that city now has a full-power Fox affiliate of its own, KFXL-TV.
Split into simpler sentences: KPTM has significant viewership in Lincoln and has included that city in its station IDs for many years. This is despite the area now has a full-power Fox affiliate of its own, KFXL-TV.