VLF stands for Incredibly Very low Frequency and is similar technological know-how Employed in detectors developed for coins, jewelry, and relics. VLF detectors broadcast at frequencies measured in kilohertz ranging from three kHz to 70 kHz. Here's 5 main reasons why you would possibly choose a VLF more than a https://dcoinformatica.com/forums/topic/109412/metal-detector-techniques-for-beginners/view/post_id/736615