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Technology for Putt Distances During TV Play?

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Does anyone know what type of technology the TV crews use to measure the distance of putts?

As the pros talk line with their caddies, the screen shows the length of the upcoming putts.

Maybe it some kind of a close-in GPS program that uses the cup as the center point?

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"On each hole there are also handheld and tower-located laser stations, to get fixes on balls in the fairways, rough, sand, and on the green. The final piece to the Shot Link system is a huge graphical database of every course the PGA plays on, mapped for distances. Via triangulation from their laser stations and some sophisticated computer programs the Shot Link system can almost instantly calculate distances to greens, hazards and other places on their map — which the tour can then relay to commentators in the broadcast booths, making them seem like complete wizards of distance."

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  • 5 years later...
  • iacas changed the title to Technology for Putt Distances During TV Play?

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