KLZK (97.3 FM, "97.3 Yes FM") is a hot adult contemporary format serving the Lubbock area. KLZK was originally on 104.3. On March 30, 2008, KLZK-FM swapped frequencies with sister station KSTQ-FM.97.3 was activated in 1961 as KPLA (FM) Plainview, Texas. It operated separately from sister station KVOP (AM). KPLA raised power to 100,000 watts at 500 feet in 1976. Call letters changed to KATX at the same time. Later the station built an 800 foot tower near Petersburg, Texas.