If the mast is supported by attachment to the building, I wouldn't bother burying any of it in the ground. I would consider supporting the mast on a concrete pier block or similar solid material that would prevent the mast from sinking into soft soil.
Even if the mast is buried in the earth, I would still connect the mast to your electrical service ground, using #10 AWG copper. The idea is to bond (note) the mast to the same ground system that serves the rest of your electrical system. Then I would also install a grounding block for the coax... http://forum.tvfool.com/showthread.php?t=901 (post #20)
(note) The NEC defines Bonded (Bonding). "Connected to establish electrical continuity and conductivity."
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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; 2-Dec-2013 at 9:40 PM.
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