Electronic media include three radio stations and one public television station, as well as student-produced television shows. MSU's Public Broadcasting Service affiliate, WKAR-TV, the station is the second-oldest educational television station in the United States, and the oldest east of the Mississippi River. Besides broadcasting PBS shows, WKAR-TV produces its own local programming, such as a high school quiz bowl show called "QuizBusters". In addition, MSU has three radio stations; WKAR-AM plays National Public Radio's talk radio programming, whereas WKAR-FM focuses mostly on classical music programming. Michigan State's student-run radio station, WDBM, broadcasts mostly alternative music during weekdays and electric music programming nights and weekends.