Has this antenna produced reliable reception when tested at ground level, outdoors? Attic mounting just cripples it's performance more. None of the 4-bay DIY designs I have seen are optimized for reception of real channels 2 through 13. An ANT-751, HBU-22 or HBU-33 would be more than enough antenna for your location.
A cheap set of non-amplified rabbit-ears should provide good results according to the TVF report you have.
You can determine if your building has signal blocking properties by comparing the signal strength and quality with the same antenna inside then outdoors. The Silicondust HDHR has very good signal metering. I own several HDHR's and all are less forgiving than the built-in tuners in my HD flat-screen receivers. I like my HDHR's but need to feed them a slightly better quality signal than the other tuners. (Using the HDHomerun Config GUI, I pay more attention to "Signal Quality %" than "Signal Strength %" when I am adjusting antenna location or aim.)
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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; 27-Jan-2011 at 5:21 PM.
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