On Thu, 19 May 2005, Michael Rigby-Jones wrote:

> Developing this idea, how about the other metal detector methods such as
> BFO or pulse induction?  Pulse induction in particular can achive pretty
> good ranges.

Pulse induction on a car with ignition on will detect it even if the 
pulse is not induced ;-)

What's wrong with a decent road hump and a weight triggered sensor near 
it ?

Peter
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