I have an installer coming out in 3 weeks. I will be recieving 1 HR-20, 2 H-20's, & 1 standard. So I have a 4 room setup. I get no locals where I'm at 51106. I live 11 miles from the digital towers. I will need an OTA antenna. I currently have a radio shack vhf/uhf 80 inch boom antenna. I would...