Complex sentence: KATU started testing HD newscasts on Saturday August 8,2009 with full rollout premiering during their 5pm Newscast on August 17,2009, making it the second station in the Portland market to broadcast newscasts in HD.
Split into simpler sentences: KATU started testing HD newscasts on Saturday August 8,2009. The full rollout premiered during their 5pm Newscast on August 17,2009, making it the second station in the Portland market to broadcast newscasts in HD.