Since, in my case, 80% of the pull tabs, pop tops I find are in the 12-15 through 12-19 range. See my previous post. And by looking at what has been posted about finding gold items and their corresponding numbers, seeing that not that many rings fall into the range of 12-15 through 12-19. Is it safe to assume that if I block out the numbers 12-15 through 12-19 on my e-trac, I will only lose finding the rings that fall into those numbers and not any other rings with other numbers?
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Another Assumption????
- Thread starter unearth
- Start date
Whatever you discriminate out of course is what your not going to receive a signal on, or you may get a chirp in one direction and a null in another direction. The type of soil, moisture content and depth can also change the Target ID number response on a gold item and coins as well.
If you discriminate 12-15 to 12-19, sure there are potential gold targets you will miss but you will miss a lot of pull tabs and other small pieces of aluminum. Your choice.
BCOOP
If you discriminate 12-15 to 12-19, sure there are potential gold targets you will miss but you will miss a lot of pull tabs and other small pieces of aluminum. Your choice.
BCOOP
Jason in ID
Member
You would miss my wedding band by discriminating out those numbers. It's 14k white gold and air tests at 12-18.
Unearth, what you are doing/thinking, is nothing new. It's called "ring enhancement programs", and they've been around since as long as TID has been around (very early 1980s, when TID first came out). In the mid 1980s, when machines started having not only bouncing needles, but also programmable selections of disc, there were many many people thinking exactly what you're thinking. So several persons tested hundreds of random gold rings (they must've had a friend who owned a jewelry store! haha), and then tested all the other randomly occuring junk items and coins a person was likely to encounter in the field. Then it simply became a matter of entering in the data into a computer program, and presto: you'd have the #'s which resulted in the most rings, for the least amount of junk. I suppose, by the way, that this would be for the average junky turfed park by the way, and would never be used in relicky sites, beach, etc....
So for example: the ring enhancement programs disc'd out round tabs, because it was determined only perhaps 20% (or whatever) of gold rings fell into that TID area, but a very LARGE percent of junk items (ie.: tabs) fell into that zone. Also nickels would be nixed out, because again, only a small percentage of gold rings actually landed right on nickel (which is a very precise spot on the detector). Same for small foil: even though the smallest gold rings fell in that category, yet the junk ratio in that zone was punishing. However, above foil, yet below nickel, might have accounted for a good 40% of gold rings, while accounting for a small percentage of typically recurring junk. So that zone would be edited in. And so on, and so forth.
This was done for Whites detector's 0 to 95 scale, by several different authors, at that time. For machines like the Eagle, the Spectrum, XLT, etc.... I'm sure the programs are still out there on the net somewhere. All you'd have to do is convert the scale over to the minelab #'s, and then the homework is done for you.
But as was pointed out here, these #'s assume you're getting a clear "lock" on the TID's. TID's skew at depth, or when objects are tilted (as rings with crowns usually ARE tilted in favor of the heavy side). And a variety of factors like this to keep in mind. And if you're hunting a site where aluminum cans have become the victim of lawnmowers (can shrapnel slaw), then there might simply be too many odds, ends, and shapes to do this. But if you're in an area where the junk is pretty constant (ie.: tabs are all unfirom size, foil wads tend to be small, no can slaw, etc..) then a ring enhancement program might work for you. But be assured: you will still dig a lot of junk and you will still miss a lot of gold rings, especially in blighted junky parks.
Personally, if I'm in a spot that that's junky, and I really want gold, I don't try to be a hero in park turf to begin with. If gold rings are my goal, I'll just go to the beach, where swimming beaches are simply more prolific for jewelry losses to begin with, and digging is much easier.
So for example: the ring enhancement programs disc'd out round tabs, because it was determined only perhaps 20% (or whatever) of gold rings fell into that TID area, but a very LARGE percent of junk items (ie.: tabs) fell into that zone. Also nickels would be nixed out, because again, only a small percentage of gold rings actually landed right on nickel (which is a very precise spot on the detector). Same for small foil: even though the smallest gold rings fell in that category, yet the junk ratio in that zone was punishing. However, above foil, yet below nickel, might have accounted for a good 40% of gold rings, while accounting for a small percentage of typically recurring junk. So that zone would be edited in. And so on, and so forth.
This was done for Whites detector's 0 to 95 scale, by several different authors, at that time. For machines like the Eagle, the Spectrum, XLT, etc.... I'm sure the programs are still out there on the net somewhere. All you'd have to do is convert the scale over to the minelab #'s, and then the homework is done for you.
But as was pointed out here, these #'s assume you're getting a clear "lock" on the TID's. TID's skew at depth, or when objects are tilted (as rings with crowns usually ARE tilted in favor of the heavy side). And a variety of factors like this to keep in mind. And if you're hunting a site where aluminum cans have become the victim of lawnmowers (can shrapnel slaw), then there might simply be too many odds, ends, and shapes to do this. But if you're in an area where the junk is pretty constant (ie.: tabs are all unfirom size, foil wads tend to be small, no can slaw, etc..) then a ring enhancement program might work for you. But be assured: you will still dig a lot of junk and you will still miss a lot of gold rings, especially in blighted junky parks.
Personally, if I'm in a spot that that's junky, and I really want gold, I don't try to be a hero in park turf to begin with. If gold rings are my goal, I'll just go to the beach, where swimming beaches are simply more prolific for jewelry losses to begin with, and digging is much easier.
Tom-
Thanks for the post. I get so tired, as does everyone else I'm sure, when getting a great lock on signal between 12-15 and 12-19 and it turns out to be a pull tab! I think maybe you have the best idea. If I really want to find gold items...go to the beach or swimming areas for that. Otherwise take what I get at the parks???
Thanks,
Gary
Thanks for the post. I get so tired, as does everyone else I'm sure, when getting a great lock on signal between 12-15 and 12-19 and it turns out to be a pull tab! I think maybe you have the best idea. If I really want to find gold items...go to the beach or swimming areas for that. Otherwise take what I get at the parks???
Thanks,
Gary
Gary, at turfed parks, I'll usually forgo "being a hero", and simply go for the mid to high conductors. Yes, that means kiss gold rings and nickels goodbye. But the logic of it is this: If you are really in a park where the ratio is going to be 200 to 1 for each gold item, is it worth it? Heck, you'd probably be kicked out of the park for all the holes you're making first!! And as for nickels, you can either notch them in, or just forgo them too. I dunno about the soil where you're at, but where I'm at, park buffalos and V-nickels are worthless orange cruddy messes anyhow. And most have no good numismatic dates anyhow. So: I save my gold jewelry hunting for the beach, and I get V's and buff' whenever doing relicky mindset sites (urban demolitions, ruins, etc...)
Remember the "silver rush" was going on in the late 1970s and early '80s, when a lot of people were cranking their disc. for the junky parks, and contenting themselves with the silver coins? A buddy of mine back then had gotten a LOT of silver coins from an old park here (d/t he was the first guy to work it with the then-revolutionary motion disc). One day he decided that he must have passed a lot of gold rings and nickels. So he marked off an area of this park, that had been particularly kind to him in old silver coins. He made it his "mission" to stripmine every last low conductor signal, no matter how time-consuming, in this given measured-off area. At the end of several different hunts, he had a few aprons full of tabs, foil, teensy zipper grommets, teensy wire snippets, etc...... And yes, he did get a single gold ring, and perhaps a charm or whatever. And yes, he did get a few worthless orange dateless buffalo nickels. In the end, he decided that it just wasn't worth it. He returned to cherry-picking for silver in the urban parks, and figured if he was that "hot and bothered" to find a gold ring, his time was better spent trolling the sand at the beach (as we're right near the ocean).
I think the same mentality is true even today, IMHO.
Remember the "silver rush" was going on in the late 1970s and early '80s, when a lot of people were cranking their disc. for the junky parks, and contenting themselves with the silver coins? A buddy of mine back then had gotten a LOT of silver coins from an old park here (d/t he was the first guy to work it with the then-revolutionary motion disc). One day he decided that he must have passed a lot of gold rings and nickels. So he marked off an area of this park, that had been particularly kind to him in old silver coins. He made it his "mission" to stripmine every last low conductor signal, no matter how time-consuming, in this given measured-off area. At the end of several different hunts, he had a few aprons full of tabs, foil, teensy zipper grommets, teensy wire snippets, etc...... And yes, he did get a single gold ring, and perhaps a charm or whatever. And yes, he did get a few worthless orange dateless buffalo nickels. In the end, he decided that it just wasn't worth it. He returned to cherry-picking for silver in the urban parks, and figured if he was that "hot and bothered" to find a gold ring, his time was better spent trolling the sand at the beach (as we're right near the ocean).
I think the same mentality is true even today, IMHO.
