VLF means Quite Reduced Frequency and is identical technological innovation used in detectors designed for coins, jewellery, and relics. VLF detectors broadcast at frequencies measured in kilohertz ranging from three kHz to 70 kHz. Listed below are 5 explanations why you would possibly choose a VLF above a PI As https://www.cemkrete.com/forum/topic/118847/gold-detector-adventures-beyond-the-map