Complex sentence: Channel 2 was the first television station in the Tulsa market to broadcast all of its programs in color, first transmitting NBC network programming in the format; in 1955, the station installed equipment that allowed local films and slides to be telecast in color.
Split into simpler sentences: Channel 2 was the first television station in the Tulsa market to broadcast all of its programs in color, first transmitting NBC network programming in the format. In 1955, the station installed equipment that allowed local films and slides to be telecast in color.