07-28-2013, 08:49 AM
This is a very interesting and detailed 108 pages PDF document dealing with a lot of aspects of automatically changing the gauge in Spain. The solution is truly amazing.
http://www.vialibre-ffe.com/pdf/Track_ga...geover.pdf
http://www.vialibre-ffe.com/pdf/Track_ga...geover.pdf
Reinhard