Complex sentence: Also in the 1970s the station added a repeater in Calais, W57AQ, with a transmitter in Meddybemps that was shared with W61AO (which repeated WABI-TV).
Split into simpler sentences: Also in the 1970s, the station added a repeater in Calais, W57AQ. It broadcast from a transmitter in Meddybemps, shared with W61AO (which repeated WABI-TV).