Okay, I think I figured out my problem with losing my DCS signal in the yard.. It looks like I need to power my (Fastrack) three uncoupling tracks and operating track (for the milk car) with a separate Accessory power Source.
Can I use the Lionel Accessory 1.8 amp transformer? I also have a Log loader 164 and Coal Loader 397. Can I put all these on one of these Accessory Transformers? I figure I can mount these under the layout cause the kids like to turn knobs, flip switches, push buttons and work the transformer handles. I'd like to keep the accessory power out of reach.