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give it metal detectors with a penetrathion depth of 1m
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Originally posted by Levin View Postoh sorry I forgot to say that the piece of metal is about the size of a coin
1) Those who approach the world of metal detectors for the first time often only look for depth;
2) A meter of depth for a single coin is a utopia with current technology.
Better to look for good discrimination, a ground balance that works, in short a good detector that does not give false signals.
Among the projects published on this site there are some decidedly good ones to realize bringing home excellent results at a low cost and above all the satisfaction of having managed with your own means to realize a detector, learning many things.
I recommend buying Carl's book.
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