Video: The NFL’s Magic Yellow Line, Explained

You know that yellow line that shows the yardage necessary for a first down during practically every football broadcast? You’ll see it today during the Super Bowl. How do they do that?

I’ve always wondered about this.

How do they get the right perspective from every angle? How does the line stay on the field, but never on the players? How do they get it to work consistently in all stadiums, all field types, and in all weather?

I know, I should have Googled it, but honestly, it wasn’t the kind of thing that burned me enough to exert the effort. I was satisfied to be curious about how it worked and remain a bit in the dark about it as well.

That is, of course, until I saw this video yesterday. Behold, the four-minute explanation you didn’t even know you were waiting for.

Check it out:

Email subscribers: Click here to watch the video and expand your knowledge of the football technology universe.
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