Receivable channels are in VHF LOW 2 thru 6 , VHF HI 7 thru 13 , UHF 14 thru 69 , All channels , some channels are not very strong so use a big a All Channel antenna , Winegard HD8200U all channel antenna with a heavy duty rotor. I suggest with out a preamp for now. I suggest using the 40 foot tower. Your location has both Analog and Digital channels.
http://forum.tvfool.com/showthread.php?t=695