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In the Corner with Dan Hughes

Mar 4, 2010

Nobody knows quite what it is, but most every treasure hunter has experienced it at one time or another. I'm talking about what is called, for want of a better term, the Halo Effect. In a nutshell:  You get a good beep, you dig, but nothing is there.  You swing your loop over the hole, and the beep is gone.  But if you dig a bit deeper, you find a coin. What happened?   This program discusses the controversial "Halo Effect".  For a more detailed discussion of the science behind this phenomenon, read this discussion thread:

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Kevin Hoagland
almost six years ago

you picked an interesting and great subject in the HALO effect. It is and will probably be forever a debatable subject that has risen the ire of many Detectorist over the years. It is one of those quarks that although many believe not provable through the physics is a very real phenomenon.
I have been playing with it in test gardens for decades and even though metal objects decay at different rates they do not necessarily increase the HALO proportionally.
Good on you for putting this one out there.