Conductivity is what the MineLab company use, they are really good detectors but not very deep. The radar machine that the archaeologists use is not very effective because I knew one guy who spend £9500 to get one and it was rubbish and he couldn't even get his refund! So any other ideas?
Metal Detectors!
Guys I an Undergraduate student in Lancaster University (England) and I have a passion for metal detecting when I am not in UNI. Over the years I have spoke many of my lecturers and research staff about the depth of a metal detector and its soul destroying ability to pick up...