On Christmas Eve, 1946, the station signed on as KPRC-FM.[3] It was owned by the Houston Post daily newspaper, which also owned KPRC and would acquire KPRC-TV in 1951. (When KPRC AM signed on in May 1925, the call letters stood for Kotton Port Rail Center, a slogan promoting Houston commerce.)[4] In its early years, KPRC-FM mostly simulcast its AM sister station. KPRC-FM began broadcasting on 99.7 MHz until 1947 when it moved to 102.9 MHz. In 1958, the FM station was sold and changed its call sign to KHGM-FM. It moved to 99.1 MHz in 1959. In 1961, it changed call letters again, this time to KODA-FM, and aired a beautiful music format. (KODA refers to the musical term coda, indicating an extended passage which brings a piece to an end.) Several months later, KODA (1010 AM) went on the air