Complex sentence: Previous to this K53CY channel 53 owned by Triac Communications Limited had rebroadcast KAYU channel 28 Spokane, Washington and its Fox Network when it signed on the air June 1 1989.
Split into simpler sentences: Previous to this K53CY channel 53 owned by Triac Communications Limited had rebroadcast KAYU channel 28 Spokane, Washington and its Fox Network. K53CY signed on the air June 1 1989.