Quote:
Originally Posted by scotrail
The above train with the 97's on is Radio Survey 3. This is used to check radio reception and is being used over the cambrian testing the signal strength for GSMR for the forthcoming transfer to ERTMS signalling.
Network Rail use differant types of trains for differant reasons. The NMT does high speed track geometry testing along with other tests. The UTU do ultrasonic rail testing. Mentor does overhead line testing. Plus others -TRU/TIC/TRC/etc. Which all do some type of testing or other.
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interesting stuff..........
