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GHOST HOLES?

B

bubbadirect

Member
Has anyone ever experienced this with their Goldbug or G2? Let me explain. On Monday, I got to use the GBPro with the 13 inch coil for the first time. At times I would get a higher tone signal. I would dig. And dig. And dig. When trying to pinpoint, I would lower the coil into the hole as much as I could, yet it didn't get louder, and the depth while pinpointing wouldn't get smaller on the screen. A few hole were measured 18 inches + deep.

Was I missing a decent target when I decided to give up? One thing I had a problem with the detech coil was pinpointing also. Was there a target in the sides of the hole? Was it deeper yet? The more dug down, I would expect the signal to get louder or at least decrease in the depth to go.

I was using disc mode, 33, and found some great targets. Again, the 13 inch detech with the GBPro did AMAZING in heavy iron.

Another thing is this. When it said, say, 5 on the depth meter, you can count on DOUBLING that number to find the target. At least this is what I experienced. With a 5 on the depth meter, the targets were all 8 to 10 inches down.
 
I think you had one of two things going on. I think most likely you were off in your pinpoint and the target was in the side of the hole. If that is not the case then you are probably dealing with large deep iron. I pinpoint with the Ultimate coil by "X ing" the target. As far as the depth indicator , remember it is calibrated for a certain size and shape of target....anything outside that will read incorrect as to depth. As an example: a shallow .22 bullet or casing will read as a deep target.
 
You using a hand held pin pointer? That would help with the ghost signals. Iron or targets on edge can through your detector pinpointing off sometimes. Congrats on the CW stuff! It's getting harder and harder to find now. You had a good day!
Neal
 
Neal. Oh yes. Still couldnt find anything. Sigh. As to what Bill said, I'm sad that I might have missed some targets. Ugh. But I think he was right. I think itnwas very deep iron.
 
As Neal and sekypaleo said, it was likely either iron that was high-toning on you, or else you were off on your pinpoint, most likely. One thing about the 13" coil (I have one on my Explorer) is that it is so hot of a coil, that sometimes you will hit a 2 or 3 inch deep target with the EDGE of the coil. Then, you dig where the center of the coil is, and you are 6" off from where the target actually is. The other thing I've noticed ESPECIALLY with the 13" coil, is that it tends to be "off" when it hits a coin "on edge." Often, I've found with this coil (again, on my Explorer, but I would guess it behaves similarly on the GB Pro) that if I dig a hole, and can't find the target, that it's in the side of the hole, on edge...

Steve
 
Thank you so much Steve and others for your input. I can't wait to try it again and see if I can replicate this scenario, YET FIND IT THIS TIME!
 
Okay all. So I was back out yesterday hunting and experienced 12 or 13 "ghost holes". I still have no clue what is going on here. I would guess that they were deep iron signals (maybe shells or artillery frags). BUT on EACH of these holes, I stopped digging after a measured 18-20 inches down (that Kentucky sun was so hot yesterday). All the depth of these holes went from my finger tips to my elbow. Now these things also happened. 1) I think had to have been iron I think as I dug out 4 inches or so of the initial target ALL THE WAY AROUND, 2) I dug holes that were so wide that I could lower the 13 inch ultimate into the holes without a problem, 3) I don't understand how, when pinpointing and holding down the pp button, WHY the depth reading did not decrease AND why the volume did not get louder when I lowered the coil into the hole.

Does anyone have any ideas what is going on here?

Thanks,
Bubba
 
I forgot to mention that these signals are not your run of the mill, standard TID/VDI bullet signals of 72 to 80ish either in disc mode, setting of 27 to 33 area
 
I would recommend taking another detector over one of your "ghost holes" and see what another machine says. Have you tried the stock 11" coil on them...maybe defective coil.
 
I have done that actually! Yesterday we took our whites xlt over them. Sometimes they would read ghost hole too (unable To find anything, or pinpoint anything either)

One thing that I "discovered" on the ultimate combo and the GBPro, is that above the hole and even into the hole (when pinpointing), was that the number 8 stayed on the screen a few inches above the hole and even lowering it into the hole. Another ghost hole scenario, for me at least.

When then on, whenever I would pinpoint and get a number 8 on the pinpoint screen, it was a ghost hole. Weird? Tell me about it.

The other thing I discovered was that ALL these holes targets, etc were ALL just A VERY FAINT signal that you could barely discern with headphones used. I other words, these were "fringe type signals", just faint ones that were modulated iron sometimes mixed with a super faint grunting type higher signal. ALL these signals would show a VDI (of they showed one at all) everywhere between 35ish and 88.

Again so VERY WEIRD

HH
BUBBA
 
Hmmmm....it may be that you are experiencing minerization issues or hot rocks. It would be helpful if you could post a video showing what the signals sound like. Only one time have I experienced what you are....this signal was a GOOD signal in a wooded CW site....I dug down 1 & 1/2 feet and then hit clay....widened the hole...signal still there...gave up filled it in. Next time there, signal still there...dug it out a second time and chopped another 3-4 inches down into the clay....nothing. Filled it in and gave up. As a rule , if you get a soft fringe target and you have dug down 12-14 inches and you pinpointer still says nothing...its iron or something else...likely not a good non-ferrous target. EVERY time I dig a target that kinda sounds good and after I pinpoint I find my pinpointer showing the target off to the side , its ALWAYS iron.
 
sgoss66 said:
As Neal and sekypaleo said, it was likely either iron that was high-toning on you, or else you were off on your pinpoint, most likely. One thing about the 13" coil (I have one on my Explorer) is that it is so hot of a coil, that sometimes you will hit a 2 or 3 inch deep target with the EDGE of the coil. Then, you dig where the center of the coil is, and you are 6" off from where the target actually is. The other thing I've noticed ESPECIALLY with the 13" coil, is that it tends to be "off" when it hits a coin "on edge." Often, I've found with this coil (again, on my Explorer, but I would guess it behaves similarly on the GB Pro) that if I dig a hole, and can't find the target, that it's in the side of the hole, on edge...

Steve
Click to expand...

You guys are SO RIGHT. the thing is so sensitive hunting in parks, that the coins are on edge (way off on pinpointing) or very deep iron. I discovered this in a park yesterday and was once again digging 12-18 inch holes, looking for coins. Silly me. Going to use the 5x10 coil today instead. If it wasnt a coin on edge, again 6-12 inches AWAY FROM WHERE I THOUGHT THE TARGET WAS, it was just that. Deep iron

Thanks again all,
Bubba
 
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