KOSU, a community service of Oklahoma State University, is central and northeast Oklahoma's NPR affiliate. The station features local, national, and international news, as well as an eclectic mix of independent music from The Spy. Established in 1955, the non-commercial broadcast signal reaches more than 100,000 listeners weekly at 91.7 FM in Oklahoma City, 107.5 FM and 107.3 FM in Tulsa, 88.3 FM in Stillwater, 94.9 FM in Ponca City, and online at kosu.org.