In 1949 there were 2 real AM radio stations in Abilene: 1470 KRBC-AM and 1340 KWKC-AM. Neither license was owned by Hardin-Simmons University. It could have been a closed cable station... but I doubt it. He got a journalism degree and began DJing and selling ads on local station KRBC. At this time he was already writing songs including Pinball Millionaire which was recorded by Gene O'Quin. He started doing promotional work. He started hosting the KRBC Big State Jamboree around 1954. He booked Elvis's first appearance in Abilene in 1955. He was a friend of Bill Mack the famous WBAP-AM disc Jockey and sometimes brought him talent back when he was just a DJ at KWFT in Wichita Falls, TX. More here.
Don't Let the Stars Get in Your Eyes came out on in 1952 and was re-recorded and released nationally on 4-Star. It went to #1 on the Country & western Billboard chart. Perry Como took it to #1 on the pop chart. The song exploded. It was even covered by pop artists in Japan. It was a once in a lifetime hit and Bill McCall at 4-Star stole most of the royalties. Apocryphal accounts say that Willet threatened to kill McCall and that got him a partial payment. More here. The song's popularity won him guest appearances on the Big D jamboree on KRLD-AM, WFAA-AM in Dallas, the Louisana Hayride on KWKH-AM, The Grand Ol' Opry on WSM and even as far away as KFI in Compton, CA.
In 1957 he started Winston Records, his own record label. He used it in part to releases some forays into rockabilly which he recorded as Telli W. Mils... Slim Willit spelled backwards. That same year he quit KRBC and joined radio station 1280 KNIT-AM.The station was a brand new Key City Broadcasters station. He started a booking agency, an ice cream parlor, and bought a gas station. He became diversified.
He never had another single as big as that #1 hit, not even close. In 1964 he became general manager of KCAD. At the time it was one of the only all-country music stations in all of Texas. He died two years later and was finally inducted into the Country Music DJ Hall of Fame in 1994.