The chain may no longer keep us together. The NFL is moving forward this preseason with an optical tracking system for line-to-gain rulings, sources tell CBS Sports. The system had been tried out ...

The days of measuring for first downs manually isn't over yet, but the NFL ... this system is as accurate as possible and really calibrating across our multiple stadiums." The optical tracking ...

We may soon no longer need Gene Steratore's index card to determine the line to gain in the NFL ... Eye tracking services are being developed to bring "state-of-art line-to-gain optical tracking ...

In the aftermath of the latest example of the NFL’s ... way that we test it is that we have all the actual data that will then support what we’re getting from the optical tracking data that's ...

there were some complaints about the amount of time taken to make first-down decisions with the electronic system. The NFL had begun to test its optical tracking camera technology for line-to-gain ...

The league continued to test the system during the just-completed ... point necessary to gain a first down. The NFL has said it tested optical tracking camera technology for line-to-gain rulings ...

It uses six 4K optical tracking cameras throughout each stadium to measure the spot of a ball in seconds. The NFL tested similar technology at several games last year — like the Hawk-Eye system ...

The method for measuring first downs in the NFL will switch from ... s Hawk-Eye virtual measurement system, consisting of six 8K cameras for optical tracking of the ball’s position, was ...

The method for measuring first downs in the NFL will switch from ... Sony's Hawk-Eye virtual measurement system, consisting of six 8K cameras for optical tracking of the ball's position, was ...

The days of measuring for first downs manually isn’t over yet, but the NFL is moving closer ... to a place where this system is as accurate as possible and really calibrating across our multiple ...

“Line to gain is probably the one that we’re closest to implementing, and the way that we test ... optical tracking data that’s being brought in,” Aponte said. It’s different from, but also similar to ...