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 on: January 20, 2018, 02:45:30 AM 
Started by Badger NH - Last post by Badger NH
Here's another video where he tested a bunch of machines on a quarter with two blocks removed.

I think if he had used the Deeptech Vista Gold instead of the Vista Smart, it might have easily gotten the coin. I'm a little surprised the G2 didn't get a signal.

 on: January 19, 2018, 10:30:25 PM 
Started by Mr. Digger - Last post by troyboy
The woods were plenty diggable even after record lows. I did some testing in the woods on the seacoast the last couple weekends and I could dig no problem. As Badger stated the issue now is the depth of the snow. Once we get some melt we should be fine. It’s just too deep now

 on: January 19, 2018, 05:57:30 PM 
Started by Mr. Digger - Last post by Badger NH
Depends on where you are.

The woods never freeze where I am near the coast. Right now we have five inches of snow which is too deep for me. As soon as it melts a little, I'll be out there. One or two inches of snow is perfect for gridding.

Winter is the best time to hunt the woods.


 on: January 19, 2018, 05:52:25 PM 
Started by troyboy - Last post by RonNH
Good to hear that, Troy. Social media makes it easier to track down owners nowadays but it seems like there is still some legwork to do. The ring owner looks happy as pie, congrats to both of you. :045:

 on: January 19, 2018, 05:46:09 PM 
Started by Mr. Digger - Last post by Mr. Digger
It's supposed to be above freezing this weekend and I have no plans (other than watching the B's and Pat's of course).  Is there any chance I could find areas in the woods where the ground is penetrable with my predator?  I'm tempted to head out but don't want to get frustrated.  Lost cause or give it a shot?       

 on: January 19, 2018, 05:40:13 PM 
Started by troyboy - Last post by Mr. Digger
Very well done!  Commendable effort for sure. 

 on: January 19, 2018, 04:09:11 PM 
Started by troyboy - Last post by CTTodd
good for you and the hobby. Very nice of you. Thank you

 on: January 19, 2018, 03:50:55 PM 
Started by troyboy - Last post by Johnny5
Great job Troy...the picture looks like it could pass as a father/son reunion great job locating the owner.

 on: January 19, 2018, 02:53:28 PM 
Started by troyboy - Last post by troyboy
I was able to find the owner of the 14K wedding band I found at Logan airport on Monday. I shared it on Facebook and it got over 2,700 shares. The figures I saw suggest the average user has 200+ friends that would mean over  a half a million people could have seen my post..... I'm viral baby!

Anyhow one of the people that saw the post had an account on a genealogy site and was able to find a couple with the same initials married on the same day. Then I did some old fashion searching and calling to find the owner. We met today in Burlington, MA for coffee so I could return the ring. They have been married 44 years!

 on: January 19, 2018, 12:49:42 PM 
Started by Badger NH - Last post by Badger NH
It has been some time since I've done any tests but I think when I did it, the deeper the coin, the more affect the masking had. Laying the nail directly on the coin had the least affect.

The Deus is well known for its quick recovery. That's why they often compare the new Minelab Equinox to the Deus and not the CTX. The Equinox with Multi-IQ is supposed to have much faster recovery than the CTX/E series with FBS. I would expect the Deus to have superior separation ability over the CTX.

The concept of halo effect has been around for a long time. It seems to mean different things to different people. I've always taken it to mean that over time, the oxides in the metal have leached out into the soil surrounding the target causing the target to appear bigger to the detector. That is very true of iron, copper and maybe brass but not silver or gold which don't oxidize to any extent.

Whether the soil in a test garden should be clean or polluted has also been a topic of debate. To me, if the soil is not clean and uniform, you won't be able to get accurate test results. A soil mixed with rust particles and/or minerals would have too many variables.

If you did make a test garden using mineralised soil, I think all that would do is affect depth. I doubt that it would affect the masking very much. I can easily simulate a masking situation in my test garden by laying nails or trash on the surface over the targets. I can also drive nails into the ground that can be removed after.

My test garden in the woods has a very uniform pine forest soil. I have three silver dimes buried at precisely 10", 11" and 12" and three silver quarters at 13", 14" and 15". They have been in the ground for over five years and are still at that precise depth. My T2SE with 15" SEF coil gets them all in discriminate boost mode.

I did a post about it back in 2012.

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