Head impact telemetry system

Head Impact Telemetry System (HITS) is a hardware and software system intended as a shock detector and logger; the hardware is embedded in football helmets and transmits data to a computer.

The system was developed by Simbex, based on Lebanon, New Hampshire, in collaboration with Virginia Tech,{{cite news |last1=Ouellette |first1=Jennifer |title=What Woody Woodpecker Can Teach Us About Football |url=https://blogs.scientificamerican.com/cocktail-party-physics/what-woody-the-woodpecker-can-teach-us-about-football/ |work=Scientific American: Cocktail Party Physics Blog |date=October 17, 2011 |language=en}} starting around 2000. By 2006 the system weighed about six ounces and had six sensors, a small computer, a battery and a radio; helmets including the system were marketed by Riddell and a set of 40 cost around $50,000 at that time. At that time nine NCAA football teams and a high school team were testing it, and the NFL had decided it not well validated enough to use.{{cite news |last1=Sidman |first1=Jessica |title=From helmet to sideline, device measures impacts to head |url=https://www.usatoday.com/news/health/2006-07-26-helmets_x.htm |work=USA Today |date=July 27, 2006}}