Complex sentence: The station's original transmitter and studios were located at the Westinghouse factory on Page Boulevard in East Springfield; however, WBZ's inaugural program, on September 19,1921, was a remote broadcast from the Eastern States Exposition in West Springfield.
Split into simpler sentences: The station's original transmitter and studios were located at the Westinghouse factory on Page Boulevard in East Springfield. However, WBZ's inaugural program, on September 19,1921, was a remote broadcast from the Eastern States Exposition in West Springfield.