On Christmas Eve, 1946, the station signed on as KPRC-FM. It was owned by the Houston Post daily newspaper, which also owned KPRC and would put KPRC-TV on the air in 1949.
On Christmas Eve, 1946, the station began broadcasting as KPRC-FM. It was owned by the Houston Post daily newspaper, which also owned KPRC and would launch KPRC-TV in 1949.