To those of you who have a 4k tv and NP1, have any of you hooked it up to an antenna to get local channels? I have an hd antenna on my roof that gets channels from as far away as 100 miles. Many of these are in hd and was wondering how you would get a coaxial cable to hook up to this? what king of adapter would you need? or if you just hooked it up to the tv, would it upconvert the signal into 4k?