KEYH is a Regional Mexican radio station in the Houston, Texas, metropolitan area. It is owned by Liberman Broadcasting. KOA (AM) in Denver, Colorado is the dominant Class A, 50,000 watt clear-channel station on 850 AM, which KEYH must protect.KEYH began as a News/Talk station in 1974. Its slogan was "The Key to Houston" and featured a long key with the station's 850 dial setting and calls featured in its logo.