Setting up a metal detector or any type of detector or antenna metal detector or long range locator or GPR or ground penetrating radar or mine detector is actually a time to test and practice the ability of the circuit’s power to penetrate deep into the ground and separate and discriminate types of metals and gold and silver at depth to determine the efficiency of the system and its setting circuit
Source: Books by Radar Electronic Science Scientist Ramin Kaykhosravi with permission
