Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
The OP posted that question eight years ago and hasn't posted on here for two years, so perhaps the moment has passed ! ! !
However, if you or anyone else is looking for more information, perhaps this will help: **broken link removed**
I may be able to answer a few basic questions about track circuits but AFTC is not a system I have ever worked on.