The studios and offices are on North Mesa Street (Texas State Highway 20) in West Central El Paso.

The transmitter is located off Scenic Drive in El Paso, in the Franklin Mountains, at one of the highest sites in the state of Texas.

KTSM-FM aired beautiful music, fifteen minute sweeps of instrumental cover versions of popular songs with minimal talk and news.

By 1990, the station had eliminated the easy listening instrumentals, completing its evolution to soft adult contemporary music.

Under Clear Channel management, KTSM-FM increased the tempo of its playlist, transitioning to a mainstream AC sound.