According to Winegard's specs,
antenna gain is similar between the 8200 and 7698 for channels 7 through 69. The 7698 is less money, shorter in length, and shorter in width than the 8200. There will be less wind resistence and less snow load issues with the 7698 as well. Also, there are no receivable low vhf stations in your area, taking away the only advantage for the 8200. I'd go with the ...