U.S. Open to use electronic line-calling technology on all tennis courts
Australian Open players and umpire left baffled as electronic line call goes very wrong - Mirror Online
In/Out: The Portable Ready-to-Use Line Call Device
Hawk-Eye - Wikipedia
Beyond The Line Call: How Technology Is Changing Tennis
Tennis Moves Toward Taking the Human Element Out of Line Calls - The New York Times
Gets the call right every time": How tennis went electronic
The Technology Calling the Shots in Tennis
Hawk-Eye's beady focus may be blurred, says new research | Wimbledon | The Guardian
The TRUTH behind Hawk Eye Accuracy | History of Line Tracking Technology in Tennis - YouTube
Electronic line judge - Wikipedia
Moment of truth: tech firms in tennis line-call battle - Stad Al Doha
In/Out Tennis Line Call Device
Automated Line Calls Will Replace Human Judges at U.S. Open - The New York Times
Tennis Line Call: Video Recorder APK for Android Download
How does Hawk-Eye Electric Line Calling Work? - Tennis Blog
Moment of truth: tech firms in tennis line-call battle
Why Not Let Tech Remove All Doubt About a Tennis Shot's Landing Spot?
No Fault Tennis Calls - New technology shows that linesmen, not players, are usually right - Ariel Dynamics
In/Out 3.0 tennis line call device is more accurate than ever
Electronic line calling set for all Australian Open courts - NBC Sports
In/Out 3.0 tennis line call device is more accurate than ever
In/Out: The Portable Ready-to-Use Line Call Device
Tennis Line Call App by Line Call LLC
Roland Garros and electronic line-calling still don't see eye to eye
