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  1. #1

    Jun 2010
    Wherever there be treasure!
    An older blue Excal with connector, remote, Skullie headphones, and various coils. Got rid of the rest of my machines.
    7812 times
    All Types Of Treasure Hunting

    Gold & The VDI Quandary

    Trust your machine's VDI when it comes to gold? Here's why you shouldn't:
    Click image for larger version. 

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  2. #2
    May 2011
    2302 times
    Gold is not like coins where a modern dime would have a consistent reading under most normal circumstances.
    There is no such thing when it comes to gold, too many sizes, configurations, alloys and more so of course you can't trust a VDI if you are looking for specific and uniform numbers or conductivity ranges....because there are none.
    He mentions all this but for most it is obvious if they have any experience in this hobby at all.

    For newbies that test their wedding ring and just assume all gold rings would come in exactly the same this would be helpful...and there are those types out there.
    Noobs...they can be so silly and cute at the same time.
    Eventually even they learn how wrong and ignorant this kind of thinking actually is.
    Last edited by digger27; Jun 20, 2017 at 08:30 AM.
    "I intend to live forever. So far, so good!".
    2017 Totals...Clad, silver pin, a silver bracelet, 13 silver coins including a freaking Barber quarter and a beautiful walking half, Plus 4 V nickels....still on the hunt for gold!

  3. #3

    Jan 2017
    Grants Pass, Oregon
    1090 times
    All Types Of Treasure Hunting
    In short, dig pulltabs.



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