According to fccdata.org, KLTR's signal reaches inside Beltway 8 on the northwest and westside of Houston. For the most part, my travels to Houston exist on the southwest side and downtown. How accurate is their map?
https://www.fccdata.org/?facid=40775&appid=1768368&i=2
https://www.fccdata.org/?facid=40775&appid=1768368&i=2