VLF means Very Reduced Frequency and is identical technology Utilized in detectors created for cash, jewelry, and relics. VLF detectors broadcast at frequencies calculated in kilohertz ranging from 3 kHz to 70 kHz. Listed below are 5 explanation why you may perhaps decide on a VLF over a PI The https://worldschoolface.com/index.php/forum/thread/2263/the-gold-detector-that-found-a-family-fortune/