Complex sentence: Fox network programming will likely move to WJZY at that time, which would make WJZY the second major network-owned station in Charlotte (after WMYT) and the first to be an O&O of one of the "Big Four" networks.
Split into simpler sentences: Fox network programming will likely move to WJZY at that time. This would make WJZY the second major network-owned station in Charlotte (after WMYT) and the first to be an O&O of one of the "Big Four" networks.