KQQQ is heard on FM translator K271CU (102.1 FM) from a transmitter in Pullman. Until September 2019, the station was heard on another translator, K284BW at 104.7, by way of sister KHTR's HD2 subchannel; this now is a separately programmed station.
The station went on the air in 1950. By the 1970s, when it changed its call letters to KNOI (K#1), the station was airing a country format. The sister station was an automated rock format KQQQ-FM (KQ-105); KNOI was later changed to KQQQ on January 23, 1983.[3]