Complex sentence: "KCWB" can be seen on channel 5 on Coachella Valley cable systems, until it ceases operation after 17 September 2006-when The WB goes off the air.
Split into simpler sentences: KCWB is currently seen on channel 5 on Coachella Valley cable systems. It will cease operation after 17 September 2006, when The WB goes off the air.