Also, measurements to larger depths are more likely to encounter varying soil resistivity. Massive grounding programs standard of higher voltage substations typically require a lot more soil layers, though small momentary substations might even see a few levels even in more stratified areas. Consider our in depth catalog of telecom https://supermarketwholebeancoffe09888.bloguetechno.com/5-easy-facts-about-soil-resistivity-testing-companies-bangladesh-described-67424147