Entity | WOI

WOI (640 AM) – branded Iowa Public Radio – is a non-commercial educational radio station licensed to serve Ames, Iowa. Owned by Iowa State University, the station covers the Des Moines metropolitan area. Broadcasting a mix of public radio and talk radio, WOI is the flagship station for Iowa Public Radio's News Network and the market member station for NPR, Public Radio International, and the BBC World Service. The WOI studios are located at Iowa State University's Communications Building, while the station transmitter resides southwest of Ames. Besides a standard analog transmission, WOI broadcasts a digital signal utilizing the HD in-band on-channel standard, is relayed over low-power Ames FM translator K234CN (104.7 FM) and is available online. Historically, WOI is one of the oldest radio stations in the United States, and one of the oldest surviving stations in North America, having begun experimental transmissions in 1911.