 WIBM began broadcasting from Jackson on November 20, 1927, from the 9th floor of the Blake Building (then known as the Reynolds Building).In 1930 station ownership was transferred from C. L. Carrell to WIBM, Incorporated.In 1941, with the implementation of the North American Regional Broadcasting Agreement, WIBM moved from 1370 kHz to the current 1450 kHz.