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Metal Detectors
Minelab
MINELAB F1A4 ex military metal detectors - tips, settings, questions
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<blockquote data-quote="AuMan" data-source="post: 469505" data-attributes="member: 2670"><p>The 4500 could not detect it at all!</p><p>It is because the specimen is not solid. There are so many fine individual details(and conductors).</p><p>The eddy currents induced into it would decay extremely fast, too fast for a standard 4500 to pick up. Also some of the eddy currents would cancel others reducing the response further(Try detecting a 1" piece of wire, then fold it in half and try again).</p><p>A VLF would scream on that piece, however, I don't think he was able to work that ground with a vlf(he does use a vlf too).</p><p></p><p>AuMan</p></blockquote><p></p>
[QUOTE="AuMan, post: 469505, member: 2670"] The 4500 could not detect it at all! It is because the specimen is not solid. There are so many fine individual details(and conductors). The eddy currents induced into it would decay extremely fast, too fast for a standard 4500 to pick up. Also some of the eddy currents would cancel others reducing the response further(Try detecting a 1" piece of wire, then fold it in half and try again). A VLF would scream on that piece, however, I don't think he was able to work that ground with a vlf(he does use a vlf too). AuMan [/QUOTE]
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Metal Detectors
Minelab
MINELAB F1A4 ex military metal detectors - tips, settings, questions
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