VLF means Incredibly Small Frequency and is similar technology Employed in detectors developed for coins, jewellery, and relics. VLF detectors broadcast at frequencies measured in kilohertz starting from 3 kHz to 70 kHz. Listed here are 5 explanations why you would possibly decide on a VLF about a PI Minelab’s https://international.projectwet.org/discussion/metal-detector-challenges-tips-tough-soil