Here is my setup. DTC100 into a Mits 55" HDTV. I ran RG6 to the roof top and mounted The Stick antenna from Radio Shack. I can't get any signal above 55 points. I am within 30 miles of Washington DC and 20 miles of Baltimore. I do have some trees around my house but shouldn't it be better? My second question is can I take my regular cable signal into the DTC100 and get the white moving lines to disapear? Another words, will it upconvert the signal to 1080i? Or will it hurt the unit in anyway?