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x terra 705 and aluminum paper

M

MEV

New member
Hi all, sorry for my English I'm not from USA, I have a question to all xterra experts , i have:minelab: x terra 705 with 10x 5 dd coil 18.75 i have a big problem with pieces of aluminum paper , i am tired of digging this trash, i know that i can discriminate them but if i do that i may discriminate some gold jewelry for example gold rings and gold chains. I have made tests in my garden and i cant distinguish the bips they sound exactly the same way. With little pieces of aluminum my detector detects them in a range of 4, 6, and 8 and with a gold chain or rings the same Numbers , so the bips are the same ( i have it in multitones ) so please help me !!!!:help:
 
Your area must be much better for gold jewelry than mine. I have never found anything but foil and other related trash when digging those numbers even though I know that both fine and small gold jewelry, not to mention gold rings lie in that range. I would suggest that you let the type of area dictate whether or not to dig targets in that range. If loaded with foil just start discriminating it out as you come across it and then dig any numbers above that range. Can't help you with any special tips...
 
Sorry, but with current technology you are stuck with these results. When the White's Spectra was released there was some intimation that with it's "enhanced" three frequency analysis that one would be able to resolve gold from aluminum but it has not turned out to be the case. The first manufacturer to resolve the issue will crush their competitors. There are probably 100's of millions of $USD in gold hidden amongst the aluminum trash around the world. A Gold ring will usually give a fuller more solid sound compared to irregular shaped aluminum foil paper. But a Gold chain and aluminum foil paper is going to sound very much alike.

BB
 
What do with my 705 and fisher f5 is when I go detecting I bring a long a gold wedding band thin gold chain and 1 nickle burrie them 6-9". I then ground balance and set up the detector for the best signals. I hunt mostly parks no problem fresh water beaches loaded with alum, pull tabs, but after doing this for about 40 years you get to know the sounds your detector makes. Fresh water beaches I'm in All metal mode w/ 705 and will dig almost everything, you can't imagine some of the great what I thought was junk I found.
 
I dig the aluminum paper too. I dig alot of deeper nickels that read an 8.
 
The last 10k bracelet i dug was a 4-6 tid, always dig a 12 ,(nickle, tabs or for me 2 gold rings) ,I also find nickles at 8-10tid as deeper targets.....
 
Like they say, you almost have to dig it all. I found what helps me is a smaller 6" coil and run in 'all-metal' and carefully noise cancel and ground balance. The 6" is great for target separation too!
It can drive you nuts until you get used to it and you will hear all the trash but if you listen very carefully with head phones, some of you tones will be slightly different on the good stuff. Just hunt by sound.
First try this in your test garden and learn to recognize the different sounds with a small coil. Hope it helps and good luck!..HH
 
The E-Trac has a 2-number system that might help you a bit because it is more surgical than the X-Terra's.

Otherwise I wish in the near future someone would invent a metal detector with a screen to show a high resolution "outline" shape of the object below the ground. Then a person could see the detailed "outline" shape of crumbled up aluminum paper(foil), can slaw, a ring-chain, pull tab, a washer, coin, etc. Combine this information of the "outline" shape with conductivity information being the TID number and this would give us a much better decision whether to dig or not. Yes, the object could be at an angle or on edge but a person could also tilt the detector coil on edge a bit to get a better look, still being very good information to have. This technology is already here now but some manufacturer is yet to put into a hand held detector!
 
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