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Amplifiers can not do the job of the antenna. They amplify both the background noise and the desired signal while adding noise generated in the amplifier. If you put too much signal into an amplifier, it will overload, rarely a safety issue, but the output of the amplifier will be distorted and leave you with less, not more viewable signals. Therefor, rule of thumb: Don't use more than one amplifier in a system, the second amplifier will very likely be overloaded.
Use amplification to deal with the loss in the cable and splitters that are down stream of the antenna.
(Your existing Leviton amplifier has plenty of gain. I am assuming it is a Leviton 4810-VA, an accessory component designed to fit the Leviton structure wiring cabinets. The manufactures' published documentation does not state a noise figure, so without lab grade test equipment it's impossible to know how much noise it will add to the signal from the antenna.)
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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; 10-Mar-2011 at 4:50 PM.
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