The probes only penetrate the ground by a handful of inches, though the electrical sign itself can penetrate quite a few meters. Preferably, you'd locate a area with the bottom doable resistance. But as we discussed right before, bad soil problems is usually defeat with extra elaborate grounding systems. Take https://franciscopakcn.webdesign96.com/31137723/top-latest-five-soil-resistivity-testing-companies-bangladesh-urban-news