Although originally based on internally developed technology, in 1998 QuesTec moved to tracking technology provided by engineers at the Atlantic Aerospace Electronics Corporation (now a division of L-3 Communications).
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Meanwhile, a more hands-on approach was taken by former Arizona Diamondbacks pitcher Curt Schilling; Schilling used a bat to smash one of QuesTec's field cameras after being told by an umpire that he wanted to call some of his pitches strikes, but QuesTec made him call them balls, an act that led to a fine for the pitcher.