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re. grounding ahead of preamp
The insertion loss of a simple coax grounding block or even one with protection of the center conductor (see link below) should be less than 1 dB. I'd use the type linked to below, but expect it to need replacement if you get hit by lighting.
http://www.solidsignal.com/pview.asp?p=212ff75f225-21
You can see the lengths to which this can be taken...
http://www.nasa.gov/mission_pages/co...lightning.html
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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; 18-Dec-2014 at 5:44 PM.
Reason: added link
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