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GTI 1500 coin depth experiences please...?
- Thread starter Donny nj
- Start date
coin hunter
New member
I found anything within 5 to 6 inches and is 1,10,25 or 50 cents coin , reading coin size good chance that it is . I also found sometimes if the garrett reads 25 cents but larger that coin I dig it because I've found two quarters together,side by side. Several times the 1500 reads 50 cents , coin size ,two quarters on top of each other.It didn't add them together , it was because of the thickness. Basically I dig everything in coin /jewelry mode. Also another hint. If the beltone bings once or doesn't big at all but reads in coin area you best move some soil away from that area and try again . I found coins right on the limit of the detectors depth threshold. Run threshold as high as you can without false signals, random beeps. Not all deep coins read twice. Its what I all call a nibble. Good luck
In discriminate mode the 1500 and 2500 are about the same machine so I'll ring in here.
I cut notches in my digging tool at 1 inch intervals last fall. I then checked the depth of a few weeks worth of targets and what I found was that my GTI 2500 usually estimated depths pretty accurately down to about 4 inches. If it said 3 inches it was usually around 3 inches. If a coin is severely tilted then it usually indicates about an inch deeper than it actually is. In this instance it also sometimes images as size A instead of B. Very shallow coins, recent drops, sometimes indicate depth down to 2 inches when they are right on the surface. When targets get deeper than 4 inches my 2500 almost always calls them 5 inches and once in a while 6. This is where my notched digging tool comes in handy. Most times a coin that is actually at 7-8 inches only indicates 5 inches. At least on my machine. Careful pinpointing improves accuracy of both imaging and depth prediction. Also getting your coil as close to the surface of the Earth is important. Finding coin sized objects deeper than 8 inches with my 2500 is unusual but not unheard of. I had a Walking Liberty Half indicate as between quarter and half, size B, at 10 inches. I dig all size B targets and down around 12 inches I got a real nice half dollar. It was a solid, two way, signal. Many times this type of signal is a crushed can which is what I thought this signal probably was. It is my best ever silver coin find, I think.
Next time you hit a place where you are finding semi deep coins measure a handful and see how deep you are actually finding things and I bet you'll be surprised.
Chris
I cut notches in my digging tool at 1 inch intervals last fall. I then checked the depth of a few weeks worth of targets and what I found was that my GTI 2500 usually estimated depths pretty accurately down to about 4 inches. If it said 3 inches it was usually around 3 inches. If a coin is severely tilted then it usually indicates about an inch deeper than it actually is. In this instance it also sometimes images as size A instead of B. Very shallow coins, recent drops, sometimes indicate depth down to 2 inches when they are right on the surface. When targets get deeper than 4 inches my 2500 almost always calls them 5 inches and once in a while 6. This is where my notched digging tool comes in handy. Most times a coin that is actually at 7-8 inches only indicates 5 inches. At least on my machine. Careful pinpointing improves accuracy of both imaging and depth prediction. Also getting your coil as close to the surface of the Earth is important. Finding coin sized objects deeper than 8 inches with my 2500 is unusual but not unheard of. I had a Walking Liberty Half indicate as between quarter and half, size B, at 10 inches. I dig all size B targets and down around 12 inches I got a real nice half dollar. It was a solid, two way, signal. Many times this type of signal is a crushed can which is what I thought this signal probably was. It is my best ever silver coin find, I think.
Next time you hit a place where you are finding semi deep coins measure a handful and see how deep you are actually finding things and I bet you'll be surprised.
Chris
I have easily gotten quarters down to 8 inches. I don't have any coins that get any deeper around here. At greater depths, the ID probability will start to be off somewhat, as is the case with most detectors, so if you get any deep signals, clear signals in all directions, you should dig them anyways, as I have gotten some surprises. That's how the GTI 1500 worked in my type of soil. The GTI 2500 has a true all metal mode, which goes even deeper.
Uncle Willy
New member
Depth is a fleeting term used in ad hype and bragging sessions and doesn't apply universally from one detector to another and one place to another. I might be able to get ten inches on a quarter where I live whereas you may only be able to get half that much where you live. Never base your choice of detector on depth hype.
In good ground the 1500 will go as deep as you care to dig.
In good ground the 1500 will go as deep as you care to dig.