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Conductive Soil Subtraction And Addition...what Is It?


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2 minutes ago, Geotech said:

No, it's also used for target detection & ID.

So with subtraction the higher frequency will be less sensitive to low conductive targets like small gold?

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When you subtract the frequencies for salt cancel you end up with a composite signal that is used for raw detection. Yes, this signal will be less sensitive to target near the salt notch.

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23 hours ago, Geotech said:

When you subtract the frequencies for salt cancel you end up with a composite signal that is used for raw detection. Yes, this signal will be less sensitive to target near the salt notch.

That makes sense thanks.

so for the addition it’s opposite, in that you add a frequency like 40khz to make the signal more sensitive to a desired target?

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