My mother just got a HDTV for her house and has dish network. She has a DISH500 with a DISHPro Twin LNBF. Can I detach our dish 500 with dishpro dual lnb from our roof, and install it on hers? I should just be able to plug the dual into the twin, right (I hope that's what the parts are called!)? I've never done this before, but from what I've read, this should work. I just want her to get some hd channels, without her having to extend her contract. Thanks!