Author: Martyn Dawe
Date: Jun 4, 2007 06:48
...>On Sun, 03 Jun 2007 21:09:12 +0100, Derek Geldard <dgg@miniac.demon.co.uk> wrote: Camera like objects on top of traffic light posts can be either movement detectors (As Colin suggests) or receivers ...> What signals do the emergency vehicles send to these receivers? Could an ordinary car driver mimic them with the appropriate kit? The new camera are so we know where you are !
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