Complex sentence: After 5pm, Portland State University rents out the 1450 AM frequency for their college radio station, which broadcasts from 5 p.m. until 2 a.m. on weekdays and from noon to 2 a.m. on the weekends.
Split into simpler sentences: After 5pm, Portland State University rents out the 1450 AM frequency for their college radio station. KPSU broadcasts from 5 p.m. until 2 a.m. on weekdays and from noon to 2 a.m. on the weekends.