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As I see it, the whole object of grounding is to hold conductive materials at the same voltage if and when a fault exists, and to do so in a way that will not pose an undue risk of fire due to heating of conductors. If you choose not to connect the antenna system to the rest of the premise ground system or you use conductors with too much impedance, those goals a not met.
One could argue that some ground is better than no ground... I believe there are many examples of 'grounding' that give the illusion of protection, but for reasons I've already explained, will fail to protect persons and / or property if a real fault occurs. One could also argue that rather than creating new risk, inadequate grounding methods simply shift or modify the risk.
I'm quite certain that you can bury part and run the other above grade... Codes vary regarding the burial depth or what protection from damage is required.
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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; 3-Feb-2011 at 4:16 PM.
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