frequency - Metal Detector Coil Design - Electrical Engineering Stack Exchange
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Pulse Induction Coil Data
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Machines | Free Full-Text | Developing a Combined Method for Detection of Buried Metal Objects
Double-D Search Coils
Detech 13" Ultimate Search Coil for Nokta Makro Simplex Metal Detector - Walmart.com
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Monoloop and Coaxial Search Coils
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Design and Verification of Search Coil Inductance for Pulse Induction Metal Detection