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Cyclops in Tennis: Assisted Line Judging Before Hawkeye - peRFect Tennis
A recent comment asked about the loud beeping noise heard throughout the 1980s, 1990s and early 2000s when a serve was long and what it was. The answer, of course, was Cyclops, the very first electronic line judging aid which was first used at Wimbledon in 1980. Let's take a…