Complex sentence: The channel move also created an opening for a new channel 5 station in Weston, which signed-on as WJPB-TV (now WDTV) in March 1954.
Split into simpler sentences: The channel move also created an opening for a new channel 5 station in Weston. This signal signed-on as WJPB-TV (now WDTV) in March 1954.