VLF means Really Very low Frequency and is the same know-how Employed in detectors constructed for coins, jewellery, and relics. VLF detectors broadcast at frequencies calculated in kilohertz ranging from three kHz to 70 kHz. Here i will discuss five explanations why you would possibly go with a VLF in https://www.ekdarun.com/forum/topic/124824/the-art-of-detecting-with-a-metal-detector