VLF means Very Minimal Frequency and is the same technology used in detectors designed for coins, jewellery, and relics. VLF detectors broadcast at frequencies calculated in kilohertz ranging from 3 kHz to 70 kHz. Listed below are 5 explanations why you may opt for a VLF in excess of a https://international.projectwet.org/discussion/metal-detector-challenges-tips-tough-soil