I haven't kept up with all the posts on this thread. I saw one where jp says I am dowsing here. Look, I CAN feel the signal line when I hold my arms out and walk through it. That doesn't mean I use this technique. Almost never, just said I can do it. I use L-rods for the final pinpoint--it's just more accurate when working city parks and it's not mental dowsing no matter what the skeptics want you to believe.
Another thing I should mention. When there is a solid target and no interference, it is very much like waving a metal detector through the air in front of a target. Almost the same--beep beep beep. But tiny targets like gold rings are just not as easy to pick up. The scan gun is barely going to give you anything if you sweep it at that sized target, that's why I point it down to the ground and walk across the signal line because it is most sensitive. This is where I've done most of my practice.
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