The station signed on the air on June 1, 1977; 47 years ago (1977-06-01). It was originally KCOT, broadcasting on 104.7 MHz. It was a sister station of KPET690 AM.[4] It was sold in 1983 to a group that controlled KBYG Big Spring. The signal was expanded to 100 kilowatts from an 800-foot tower.
Another station started at 100.3 FM in the area in 1987. In 1988, the two stations exchanged frequencies. This was reversed in 1996 when the southern signal for Lamesa, Big Spring and Midland returned to 104.7.
On August 21, 2002, Graham Brothers Communications announced that it would sell KTXC to Drewry Communications for $740,000.[5] The deal marked Drewry's re-entry into radio, as the company had previously sold KSWO radio (now KKRX) in the company's homebase of Lawton, Oklahoma to Perry Publishing & Broadcasting Company in 1998.[6]
On June 25, 2018, Gray Television announced its intent to acquire Raycom for $3.65 billion, pending regulatory approval.[11][12] The sale was completed on January 2, 2019.[13]
In 2021, it was announced that VCY America would acquire the station for $650,000.[14][15][16][17] The sale was completed on April 14, 2022.[18] The station changed its call sign to KVLM on April 26.[19]
Effective September 18, 2023, the station moved its community of license from Lamesa to Tarzan.