VLF means Extremely Small Frequency and is the same technological innovation Utilized in detectors built for coins, jewellery, and relics. VLF detectors broadcast at frequencies calculated in kilohertz ranging from 3 kHz to 70 kHz. Listed here are 5 explanations why you may perhaps pick a VLF about a PI https://www.ekdarun.com/forum/topic/124837/how-to-detect-jewelry-buried-underground