KMPS-FM is a country music station based in Seattle, Washington. The CBS Radio outlet broadcasts at 94.1 MHz with its main transmitter operating at 69 kW effective radiated power and its three auxiliary transmitters operating at 57 kW, 55 kW and 53 kW ERP. All four of its transmitters are located near Issaquah, Washington on Tiger Mountain. Its legacy on FM radio dates back to 1961 when it signed on as KOL-FM. The frequency has seen both Progressive Rock (1968-1975) and Beautiful music (1975-1978 as KEUT) formats, before flipping to its current format on February 1, 1978. KMPS started its life as a country station in 1975, as KMPS AM 1300. It was a direct challenger to then-dominant country station KAYO 1150 AM.