Have you ever tried walking the antenna on the roof? The TV FOOL shows adequate signal, so I'm wondering if a new location may yield better results? A single YA-1713 should do reasonably well if the report is correct.
Not sure of the other antennas, but the 1713 is much better on VHF than the 7694. I've used the 7082, which has similar specs to the 7696. Performance seems about the same as the 1713 on VHF. Not sure how much difference the 7697 would make with only .09 db more gain?
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