Complex sentence: Around the same time, its studios moved to Market Street in Poughkeepsie; in 1989 the station moved back to the original "Broadcast House" on Route 9G in Hyde Park, NY.
Split into simpler sentences: Around the same time, its studios moved to Market Street in Poughkeepsie. In 1989 the station moved back to the original "Broadcast House" on Route 9G in Hyde Park, NY.