VLF stands for Quite Small Frequency and is similar technological innovation Utilized in detectors developed for coins, jewellery, and relics. VLF detectors broadcast at frequencies measured in kilohertz starting from 3 kHz to 70 kHz. Listed below are 5 explanations why you may perhaps pick a VLF in excess of https://www.cyberlord.at/forum/?id=11711&thread=2395