You obviously can get into the crawl space direct from the desk. Could you
easily drill a hole thru the foundation, just below the siding, to at least get
a ground wire thru? The shortest length you can make it the better. Make sure
you seal it up well. Maybe make it big enough to take all your coax and other
cables. Put a "single point ground" there with lightning protectors there, and
and then use a conductor to tie it over to the power line ground system.
ALSO, and don't ask how I know this, if you didn't Cad weld your ground rods,
make sure there is no corrosion under the clamps or between the wire and the
rod. Years ago I had some bad interference/harmonics from AM BC stations on 160
and 75. Took a while to find the problem. (re-read first sentence starting with
Good luck with the project.
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