Speed camera lies, says inventor / The Journal, 9 October 2007
http://digbig.com/4tsex
Jule Wilson
"THE brains behind a new mobile phone system has claimed the device got him off a speeding charge after it showed he was doing 12mph less than police claimed. Dr Phillip Tann, 45, of Harton Lane, South Shields, appeared before magistrates in Sunderland after police said he had been doing 42mph in a 30mph limit. But he says his global positioning system showed he was doing less than 30."