[FYI] UK: How mobile phones let spies see our every move

["Axel H Horns" <horns@ipjur.com>]

http://www.guardian.co.uk/mobile/article/0,2763,811034,00.html

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How mobile phones let spies see our every move  

Government's secret Celldar project will allow surveillance of 
anyone, at any time and anywhere there is a phone signal  

Jason Burke and Peter Warren Sunday October 13, 2002 The Observer  

Secret radar technology research that will allow the biggest-ever 
extension of 'Big Brother'-style surveillance in the UK is being 
funded by the Government.  

The radical new system, which has outraged civil liberties groups, 
uses mobile phone masts to allow security authorities to watch 
vehicles and individuals 'in real time' almost anywhere in Britain.  

The technology 'sees' the shapes made when radio waves emitted by 
mobile phone masts meet an obstruction. Signals bounced back by 
immobile objects, such as walls or trees, are filtered out by the 
receiver. This allows anything moving, such as cars or people, to be 
tracked. Previously, radar needed massive fixed equipment to work and 
transmissions from mobile phone masts were thought too weak to be 
useful.  

[...]  

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