Complex sentence: It is the second CBS affiliate that is licensed to the immediate Panama City market; sister station WJHG had previously carried a secondary affiliation with the network from its December 1953 sign-on until 1961.
Split into simpler sentences: It is the second CBS affiliate that is licensed to the immediate Panama City market. Sister station WJHG had previously carried a secondary affiliation with the network from its December 1953 sign-on until 1961.