KYXX and sister station KKYN in Plainview were sold to Keith Adams and Jim Shelton of Amarillo in 1979. The format flip helped vault KYXX to the top of the Permian Basin radio ratings, where in 1981 it had a market share of 16.5 percent, but in 1982 it was supplanted by KUFO, an FM station.
In 1979, Keith Adams and Jim Shelton from Amarillo purchased KYXX and KKYN in Plainview. This change in format elevated KYXX to the highest position in radio ratings within the Permian Basin, where it held a market share of 16.5 percent in 1981 but was later replaced by KUFO.