Critical Systems & ISM (was RE: [MLB-WIRELESS] Wireless 'cloud' may offer silver lining Or is it just 'pie-in-the-sky' technology?)

[Jason Hecker]

Ah, so, I see.  I have noticed the little aerials too.  This way they can 
coordinate at peak hour and all turn red together along the whole length of 
King St.


At 04:43 PM 5/08/2002 +1000, Alternate wrote:
>Yeah, you see them a lot today. It's because when the traffic lights
>have to communicate with other things, doing it wireless is a lot
>cheaper than laying cables underground.
>
>- Frederik Grunta
>
>
>
>On Mon, 2002-08-05 at 11:12, Jason Clarke wrote:
> > Speaking of this, has any one noticed the antennas on top of a lot of
> > traffic lights recently??
> >
> > I can't think of any specific intersections at the moment, but I've seen
> > some.


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