Track Mounted Device Function? #1598870 by belpaire Thu Jun 02, 2022 11:20 am I've seen these for years and wondered, what do these devices mounted between the rails do? Username belpaire Posts 69 Joined Wed May 05, 2004 8:04 am
Re: Track Mounted Device Function? #1598880 by gamer4616 Thu Jun 02, 2022 12:27 pm Those are transponders. They are used by the PTC system. Username gamer4616 Posts 181 Joined Mon Dec 19, 2016 6:49 pm
Re: Track Mounted Device Function? #1598928 by RandallW Thu Jun 02, 2022 7:05 pm While this article is about European train control transponders, they do look remarkably similar. Username RandallW Posts 794 Joined Tue Dec 28, 2021 8:50 am Location Herndon VA