These can work at lower frequencies and can discriminate amongst junk and relics ,cash and so forth. On the other hand they are sensitive to ground mineralization signals. Ground harmony Regulate can but aid to minimize this outcome. Note: metal detectors created specifically for finding gold could be considerably tougher https://gold-detector-cost69012.blogozz.com/31577106/5-easy-facts-about-top-rated-gold-metal-detectors-described