VLF means Incredibly Reduced Frequency and is the same technologies Utilized in detectors designed for coins, jewellery, and relics. VLF detectors broadcast at frequencies measured in kilohertz ranging from three kHz to 70 kHz. Here are 5 explanations why you may pick a VLF in excess of a PI Make https://www.d-ushop.com/forum/topic/84929/gold-detector-adventures-across-forgotten-trails