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Showing results 1 to 7 of 7
Search took 0.00 seconds. Search: Posts Made By: Shed Cat
Forum: Light Rail and Metros 8th April 2008, 20:15
Replies: 33
Views: 20,865
Posted By Shed Cat
I would rule out mobile phones, but there is an...

I would rule out mobile phones, but there is an awful lot of other intermitent airbourne RF noise from other transmitters. Emergency services radio transmitters are very powerful for example.
...
Forum: Light Rail and Metros 16th March 2008, 17:47
Replies: 33
Views: 20,865
Posted By Shed Cat
The question is how you would be 100% sure that...

The question is how you would be 100% sure that it was a train that was tripping the beams and not a bird, wandering badger or a couple of kids waving branches in front of the detectors.

But it...
Forum: Light Rail and Metros 3rd March 2008, 21:07
Replies: 33
Views: 20,865
Posted By Shed Cat
Rant accepted ! My point is a bit more subtle. ...

Rant accepted ! My point is a bit more subtle. I am interested in failsafe and "robust" systems. Another word is "redundant", ie if any one part of a system fails, there are unused systems that...
Forum: Light Rail and Metros 2nd March 2008, 12:37
Replies: 33
Views: 20,865
Posted By Shed Cat
A good description, and I agree that GPS isnt...

A good description, and I agree that GPS isnt anywhere up to the failsafe reliability needed on a railway. But give the inevitable trend in all walks of like to huge centralised automated computer...
Forum: Light Rail and Metros 28th February 2008, 18:50
Replies: 33
Views: 20,865
Posted By Shed Cat
The "obvious" way forward is to use GPS to locate...

The "obvious" way forward is to use GPS to locate every train in Britain to 1 metre accuracy in a giant computer, and do away with all trackside signals and circuiting. (You would need a...
Forum: Light Rail and Metros 26th February 2008, 19:35
Replies: 33
Views: 20,865
Posted By Shed Cat
Give up on the internet except to look for...

Give up on the internet except to look for companies who might take pity on a poor student and help out.
Which are the signalling equipment supply and installing companies? e.g. Westinghouse,...
Forum: Light Rail and Metros 25th February 2008, 20:50
Replies: 33
Views: 20,865
Posted By Shed Cat
Welcome Railproject. What sources have you...

Welcome Railproject.

What sources have you already tried?
Showing results 1 to 7 of 7

 
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