Original sentence: The Tennessee Department of Education began WTCI on March 4, 1970 on channel 45, as the third in a series of public television stations that included WCTE-TV in Cookeville and WSJK-TV in the Tri-Cities and Knoxville; WLJT in northwest Tennessee followed a few years later
Edited sentence: The Tennessee Department of Education began WTCI on March 4, 1970 on channel 45, as the third in a series of public television stations that included WLJT in northwest Tennessee and WSJK-TV in the Tri-Cities and Knoxville; WCTE-TV in Cookeville followed a few years later