30 Jun '16, 11am

Die Photos Of A Runner’s RFID Chip: A mass participation sporting event such as ...

A mass participation sporting event such as a road race presents a significant problem for its record keepers. It would be impossible to have ten thousand timekeepers hovering over stopwatches at the finish line, so how do they record each runner’s time? The answer lies in an RFID chip attached to the inside of the bib each runner wears, which is read as the runner crosses the line to ensure that their time is recorded among the hundreds of other participants. [Ken Shirriff] got his hands on a bib from San Francisco’s “Bay to Breakers” race, and set about a teardown to lay bare its secrets . The foil antenna pattern. Stripping away the foam covering of the RFID assembly revealed a foil antenna for the 860-960MHz UHF band with the tiny RFID chip at its centre. The antenna is interesting, it’s a rather simple wideband dipole folded over with what looks like a matching stub a...

Full article: http://hackaday.com/2016/06/30/die-photos-of-a-runners-rf...

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38 pickup lines all runners can appreciate:

runnersworld.com 01 Jul '16, 12pm

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500px.com 04 Jul '16, 10pm

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I just entered a giveaway for a chance to win a...

hungryrunnergirl.com 30 Jun '16, 5pm

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