Spoiler alert: there is not any common ‘finest metal detector for gold’. (Although the GPZ 7000 is close for the people of you who can pay for a detector that’s the same value as a car or truck). The two principal coils are connected to an oscillator that generates a https://saumalkol.com/forum/%D0%BE%D0%B1%D1%81%D1%83%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5-%D1%81%D1%82%D0%B0%D1%82%D0%B5%D0%B9-%D1%81%D0%B0%D0%B9%D1%82%D0%B0/27341-gold-detector-journeys-in-rainy-mountains.html