 Armstrong County Broadcasting sold WACB in December 1964 to WACB, Inc., a company parented by Rosenblum Stations, which also owned WISR in nearby Butler, Pennsylvania.Ray Rosenblum served as president of WACB, Inc.The station signed on the air at first with a power of 500 watts, but was granted permission in 1952 to double that amount, and began operating at its current daytime power in February 1953.