WOI-FM (90.1 FM) is a radio station licensed to Ames, Iowa, serving the greater Ames/Des Moines area. The station is owned by Iowa State University. WOI-FM is an affiliate of Iowa Public Radio, and carries IPR's "News and Studio One" service—a mix of National Public Radio news programming and adult alternative music. WOI-FM first hit the airwaves on December 1, 1949. It was originally a full-time simulcast of WOI-AM. The two stations went their separate ways in the 1960s.