Received my detector some time back, extremely strong quality and easy to put in place! Currently found some precious piece. Cannot hold out to search out far more gold! The 2 key coils are connected to an oscillator that generates a radio frequency. These machines utilize a uniform alternating present-day https://www.hoomet.com/forums/topic/76668/gold-detector-surprises-you-won-t-believe/view/post_id/232663