 Between 1968 and 1979 the company expanded by acquiring stations in Birmingham, Alabama (WDJC-FM); Dallas, Texas (KAAM, operated under call letters KPBC at AM1040 but later moved to AM770); and Oklahoma (since divested).In 1980, Crawford Broadcasting purchased a radio station in Los Angeles (KBRT) to further expand its portfolio, and the company launched a further expansion of its station base in 1991.1Station now owned by Clear Channel Communications.