VLF stands for Really Small Frequency and is similar engineering Utilized in detectors developed for cash, jewellery, and relics. VLF detectors broadcast at frequencies calculated in kilohertz starting from 3 kHz to 70 kHz. Here i will discuss five main reasons why you would possibly choose a VLF over a http://hotel-golebiewski.phorum.pl/viewtopic.php?p=878632#878632