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Gold Prospecting
Metal Detecting for Gold
Difference between Mono and DD coils? When to use?
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<blockquote data-quote="Guest" data-source="post: 73367"><p>If you use a DD to do this you may not get a hit & walk away from an area that is holding gold.</p><p>If you want to grid an area quickly you could do it with a larger mono, like a 14/16/18/20", to start with which will give you a much better chance of not only finding deeper gold but the mono will give you much better sensitivity to smaller shallow gold as well, even with a larger coil.</p><p>Using a DD first, in an area you can run mono's, seems a bit counterproductive due to the possibility of missing gold then also having to redo if you do happen to find a bit which makes things slower not quicker. </p><p>For mine using a DD on a GPX is a last resort option I.e.:</p><p>-high interference areas</p><p>-high trash areas/relic hunting for discrimination</p><p>-extreme ground noise from conductivity (salt), minerals or both that timings won't remedy</p></blockquote><p></p>
[QUOTE="Guest, post: 73367"] If you use a DD to do this you may not get a hit & walk away from an area that is holding gold. If you want to grid an area quickly you could do it with a larger mono, like a 14/16/18/20", to start with which will give you a much better chance of not only finding deeper gold but the mono will give you much better sensitivity to smaller shallow gold as well, even with a larger coil. Using a DD first, in an area you can run mono's, seems a bit counterproductive due to the possibility of missing gold then also having to redo if you do happen to find a bit which makes things slower not quicker. For mine using a DD on a GPX is a last resort option I.e.: -high interference areas -high trash areas/relic hunting for discrimination -extreme ground noise from conductivity (salt), minerals or both that timings won't remedy [/QUOTE]
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Gold Prospecting
Metal Detecting for Gold
Difference between Mono and DD coils? When to use?
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