The shield portion of the coax should be connected to ground, for safety and some say, reduction of interference (the latter could be the subject of a rather pointless discussion, because the protection from static discharge damage to your tuner seems enough reason to ground the coax shield, IMO).
A ground block is used to make that connection, it should connect to your electrical service ground through a fairly short #10 copper wire.
http://forum.tvfool.com/showthread.php?t=901
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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-Sep-2011 at 10:10 PM.
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