KACS (90.5 FM) is a Class C2 medium-power non-commercial educational (NCE) radio station licensed to CHEHALIS, WA. Broadcasting with an effective radiated power of 6.0 kW and antenna height of 72 meters HAAT, its signal reaches approximately 48 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 Chehalis Valley Educational Foundation. It broadcasts a Christian radio format.