The AP8700 has above average signal handling capacity, together with the built-in FM trap, I think it's fine. As you have already demonstrated though, an amplifier can't do the antennas job.
You are going to need quite a bit more antenna than the ANT-751. A Winegard HD7694P would be the smallest single antenna to cover the UHF and high-VHF from Queen Anne and Capitol Hills in Seattle. If you mount in the attic, I'd strongly suggest going larger. An HD7698P if it would fit.
If you can live without KCTS-PBS and KSTW-CW, An 8-bay panel such as the Antennas direct DB-8 or one of the similar competitors would mount on a satellite J-pole easier than the long boom 769X series. With KCPQ-Fox coming at you from the south, you may need a high-VHF like the Antennacraft Y-5713 which would work in the attic if the roof construction does not shield the RF. I would expect any antenna with the needed gain to see the Seattle stations would be too directional to see KCPQ reliably from 90° of axis.
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If the well is dry and you don't see rain on the horizon, you'll need to dig the hole deeper. (If the antenna can't get the job done, an amp won't fix it.)
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Last edited by GroundUrMast; 4-Aug-2011 at 6:34 AM.
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