VLF stands for Incredibly Small Frequency and is identical engineering Utilized in detectors crafted for coins, jewelry, and relics. VLF detectors broadcast at frequencies measured in kilohertz starting from three kHz to 70 kHz. Allow me to share 5 reasons why you could possibly select a VLF about a PI https://www.sociomix.com/c/ugc/gold-prospecting-tips-using-a-metal-detector/971791768477466