VLF means Incredibly Small Frequency and is similar know-how used in detectors developed for cash, jewellery, and relics. VLF detectors broadcast at frequencies measured in kilohertz starting from 3 kHz to 70 kHz. Here i will discuss 5 reasons why you would possibly opt for a VLF more than a https://linuxline.org/blogs/125298/Gold-and-Relic-Hunting-Using-a-Metal-Detector