Is anyone here operating two MTH engines on two separate mainlines with TMCC? I would like to add TMCC to a second mainline so I think I need another TPC but I'm not sure is I need anything else. I'm pretty sure I just need one wireless control but in any event if you are let me know what I need and how it works. Now for the MTH people no I don't like DSC even though I do like MTH engines. So it is not an option.