KOPB-FM (91.5 FM) is a non-commercial educational (NCE) radio station licensed to PORTLAND, OR. Broadcasting with an effective radiated power of 70.0 kW and antenna height of 515 meters HAAT, its signal reaches approximately 107 km to the radio horizon. The station broadcasts in HD Radio digital format. It operates a network of 17 translator(s) extending its coverage area. The station is owned by Oregon Public Broadcasting. It broadcasts a Public Radio - talk radio format.