VLF means Extremely Lower Frequency and is identical engineering used in detectors built for coins, jewellery, and relics. VLF detectors broadcast at frequencies calculated in kilohertz starting from three kHz to 70 kHz. Listed here are 5 explanations why you might go with a VLF about a PI Minelab’s GPX https://www.sociomix.com/c/ugc/deep-ground-search-using-metal-and-gold-detectors/971791767876968