Complex sentence: Through most of its history, the WWCT callsign was associated with Peoria's 105.7 frequency allocation; the call sign and related format was moved to 96.5 (Farmington) in 2003, then 99.9 (Bartonville) in 2006.
Split into simpler sentences: Through most of its history, the WWCT callsign was associated with Peoria's 105.7 frequency allocation. It was moved to 96.5 (Farmington) in 2003, then 99.9 in 2006.