sentences:  Its studios are located at the Amarillo Building downtown on Polk Street, and its transmitter tower is based midway between Amarillo and Canyon proper along I-27 in unincorporated Randall County.The station is an affiliate of the Dallas Cowboys radio network.On January 15, 2018, the then-KPUR-FM switched formats with KARX and changed its name from "107.1 The Armadillo" to "107.1 Nash Icon".