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

[James Robertson]

I cant remember what colour boxes they were called - But i'm pretty sure 
its been done before, and the resulting jiffy boxes given an appropriate 
colour in the over all scheme of little boxes that do fun thing.

James

On Mon, 5 Aug 2002, Bryce Letcher wrote:

> 
> Actually the wireless interface has nothing to do with synchronization, but
> allows trams & emergency vehicles to control the lights. I guess some upper
> level government type would qualify too.
> 
> NOW THAT IS A SYSTEM WORTH CRACKING  :)
> 
> Bryce
> 
> 
> -----Original Message-----
> From: owner-melbwireless at wireless.org.au
> [mailto:owner-melbwireless at wireless.org.au]On Behalf Of Michael
> Tomlinson
> Sent: Monday, 5 August 2002 5:20 PM
> To: melbwireless at wireless.org.au
> Subject: Re: Critical Systems & ISM (was RE: [MLB-WIRELESS] Wireless
> 'cloud' may offer silver lining Or is it just 'pie-in-the-sky'
> technology?)
> 
> 
> I've always wondered about them too; I know there's a system that allows the
> PM's car to make the lights go green in city intersections, I've always
> presumed these aerials were it..... know all we need to know is what
> frequency they use and what the code is :-)
> 
> > 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.
> 
> 
> 
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