HOW "the camera never lies" is a LIE! Victoria Police explain 'double doppler' effect
CameraFraud National
Australia admits there's a radar speed camera flaw that can result in bogus high speed readings. So much for "the camera never lies."
Victoria Police explain 'double doppler' effect
Posted by: Ellen Feely | 24 April, 2012 - 12:11 PM
Victoria Police have withdrawn 28 speeding infringements for drivers booked on a section of Napoleon Rd, Rowville over the past eighteen months.
However Assistant Commissioner Andrew Crisp from the Operations Support Department at Victoria Police said only one in only one instance are the police confident the fine was issued incorrectly due to the ‘double doppler’ http://www.3aw.com.au/blogs/neil-mitchell-blog/the-double-doppler-effect/20120424-1xi03.html effect.
"We still don't believe there is a problem with the 28 that did receive infringement notices for speeding on that section of road," Assistant Commissioner Andrew Crisp told Neil Mitchell.
In February, listener Con Illiotta http://www.3aw.com.au/blogs/breaking-news-blog/cons-speeding-charge-dropped/20120208-1r9tj.html contacted the Neil Mitchell program after he was booked for travelling at 116km/h in his truck. He successfully fought the fine, which police explained was issued to the ‘double dobbler’ effect.
Assistant Commissioner Crisp explained that the ‘double doppler’ effect was a phenomenon only affecting mobile speed cameras, and occurred after an inappropriate camera placement.
”What we've got is the mobile speed camera vehicle travelling past, the beam picks up the vehicle,” he said.
”It can then look for another metallic reflective surface, and it could pick up that surface, bounce back to the vehicle in question and then back to the camera itself.”
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