VLF stands for Very Lower Frequency and is identical technological innovation Utilized in detectors constructed for coins, jewellery, and relics. VLF detectors broadcast at frequencies measured in kilohertz ranging from 3 kHz to 70 kHz. Listed below are five reasons why you may perhaps choose a VLF over a PI https://www.thitrungruangclinic.com/forum/topic/70770/metal-detector-tips-for-successful-treasure-hunting