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Metal Detectors
General Metal Detector Discussion
What VLF to compliment PI?
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<blockquote data-quote="SteelPat" data-source="post: 287363" data-attributes="member: 4467"><p>The discrimination they offer is not true discrimination. Its more of a blanket rejection of a range of signals (basically a notch filter). I think it was more of a marketing gimmick that they would not be able to get away with these days. The iron rejection that some pi machines used in the past is not proper discrimination.</p><p></p><p>If you would like to learn a little more on the technical aspects of PI machines try and get a copy of "Inside the Metal Detector" by Carl Moreland and George Overton. Its a pretty good book that explains a little more in depth about how the machines work. Carl was a designer with Whites but is now with First Texas who do Bounty Hunter, Fisher and Teknetics.</p></blockquote><p></p>
[QUOTE="SteelPat, post: 287363, member: 4467"] The discrimination they offer is not true discrimination. Its more of a blanket rejection of a range of signals (basically a notch filter). I think it was more of a marketing gimmick that they would not be able to get away with these days. The iron rejection that some pi machines used in the past is not proper discrimination. If you would like to learn a little more on the technical aspects of PI machines try and get a copy of "Inside the Metal Detector" by Carl Moreland and George Overton. Its a pretty good book that explains a little more in depth about how the machines work. Carl was a designer with Whites but is now with First Texas who do Bounty Hunter, Fisher and Teknetics. [/QUOTE]
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Metal Detectors
General Metal Detector Discussion
What VLF to compliment PI?
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