Re: [Melb] POTS (Position of Trains System)

["Put name here..." <danv@primus.com.au>]

What about sidings, GPS is no good then is it?

Dave Proctor <daproc@spambait.umpires.com> wrote in message
80u32b$q6m$2@news1.mpx.com.au">news:80u32b$q6m$2@news1.mpx.com.au...
> Christopher_Martin GORDON <cmgord@ecr.mu.oz.au> wrote in message
> 80tmph$qfk$1@mulga.cs.mu.OZ.AU">news:80tmph$qfk$1@mulga.cs.mu.OZ.AU...
> > : > > For the short time anything is in the loop some other form of plug
> in
> > : > > technology...something simple could be used...its a bit harder to
> > : > > vandalise in the loop.
> > : >
> > : > I'm not sure if it's me, but I can't understand what you are saying
> here.
> > : > No location systems are really need to be used in Melbourne's loop,
> trains
> > : > go in and come out the other end - simple.  And yes, "short term"
> tactics
> > : > are being used to keep track of trains, manually writing them down.
> >
> > : I think what he is commenting on is the fact that GPS won't work
> > : underground (or indoors for that matter).  I am surprised to hear that
> > : it isn't working on the sparks.  Given that it works reasonably well
> > : with taxis and other fleet vehicles it should work for trains.
> >
> > Why do you need GPS for the loop, you can sit at Metrol and know where
> > the trains are right out to the finge boxes (ie Newport, Sunshine,
> Kensington,
> > Upfield, Epping, Heidelberg, Burnley, Caulfield (which goes all the way
to
> > Moorabbin), and Sandringham) that is 1/2 the system.  All you need to
know
> > is the train consist matched with the T.R. number.  This will be made
easy
> > with POTS. (Not paper, pen and a computer)
>
> But the point was that GPS fitted to the train will eliminate the need for
> ground based transponders around the system - transponders that are
> vandal-accessible.
>
> POTS would certainly have a place within the loop though.
>
> --
> DaveProctor
> thadocta AT dingoblue.net.au
>
>