KNNB (88.1 FM) is a non-commercial educational (NCE) radio station licensed to WHITERIVER, AZ. Broadcasting with an effective radiated power of 630 watts and antenna height of 398 meters HAAT, its signal reaches approximately 95 km to the radio horizon. It operates a network of 2 translator(s) extending its coverage area. The station is owned by Apache Radio Broadcasting Corporation. It broadcasts a Variety / Public radio format.