KGBC (1540 AM) is an American radio station licensed to serve the community of Galveston, Texas. The station, established in 1947, is owned by SIGA Broadcasting, Inc., of Houston, Texas.KGBC's Texas sister stations with SIGA Broadcasting include KTMR (1130 AM, Converse), KLVL (1480 AM, Pasadena), KAML (990 AM, Kenedy-Karnes City), KHFX (1140 AM, Cleburne), and KFJZ (870 AM, Fort Worth).