KRKU (89.3 FM) is a Class A low-power local non-commercial educational (NCE) radio station licensed to HILLSDALE, WY. Broadcasting with an effective radiated power of 330 watts and antenna height of 32 meters HAAT, its signal reaches approximately 36 km to the radio horizon. The station broadcasts in HD Radio digital format. It operates a network of 5 translator(s) extending its coverage area. The station is owned by Lorenz E. Proietti. It broadcasts a Defunct format.