Complex sentence: From 1989 to 2010, the game was broadcast on ABC, usually at 2 p.m. PST; the 2005 Rose Bowl was the first one broadcast in HDTV.
Split into simpler sentences: From 1989 to 2010, it was broadcast on ABC, usually at 2 p.m. PST. The 2005 Rose Bowl was the first one broadcast in HDTV.