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October 5th 07, 10:04 PM
posted to rec.radio.amateur.antenna
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Ground rod lengths vs number
(Richard Harrison) wrote in news:16641-470666E0-
: .... Replace the fuse with*a light bulb. If a high-wattage light bulb burns brightly, the earth connection is good at the power frequency. Yet another calibrated screw driver approach. The undefined quantities "high-wattage" and "burns brightly" characterise the accuracy of the method. There are simple and safe methods for passing a known or measurable current through a ground system and measuring the ground system potential rise above the general mass of earth... a bit of Googling will turn up far better methods that some of those described in this thread. Owen |
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