VLF means Very Very low Frequency and is the same know-how used in detectors created for coins, jewellery, and relics. VLF detectors broadcast at frequencies calculated in kilohertz starting from 3 kHz to 70 kHz. Here i will discuss 5 main reasons why you could pick a VLF around a https://whenyouriseup.activeboard.com/t72455561/when-a-gold-detector-finds-more-than-gold/?page=1#lastPostAnchor