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I am always leery of coax that has been spliced or pieced together. If there is any chance that the connectors have been exposed to the weather, a factory assembled 50' coax is an inexpensive 'test tool' worth the money to verify a good link between the antenn and tuner.
A preamp could help, depending on the noise figure of the tuner in the DTVPAL. I'd suggest the Antennas Direct CPA-19 for it's resistance to overload and low noise figure.
While I can't pin-point your exact address, I can see from the path profile (click on the call sign of the TV station, WFWA, on your TV Fool report) that just a little increase in antenna mounting height may provide significant improvement in available signal.
If I were to go to some extreme, I might consider two antennas and two DTVPAL's... but before you go to such extremes, I can whole heatedly agree with trying your existing CM4221 mounted at 25' AGL.
Just for grins, can you post your TVFR based on an AGL of 25'? If you can consider a roof mount tripod and a 5' or 10' mast, a TVFR based on that antenna AGL would also be informative.
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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; 22-Aug-2011 at 4:41 AM.
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