Complex sentence: Throughout the 1980s and early-1990s, WHOI aired a nightly newscast at 5:30 resulting in a delay of "ABC World News Tonight" until 6 on weeknights unlike other ABC affiliates in the Central Time Zone.
Split into simpler sentences: Throughout the 1980s and early-1990s, WHOI aired a nightly newscast at 5:30. This resulted in a delay of "ABC World News Tonight" until 6 on weeknights unlike other ABC affiliates in the Central Time Zone.