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Posts posted by JCR
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Sounds like a fun vacation.
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I don't think there is any difference between a VLF & PI detector, but on a VLF, Ground Balance numbers do not indicate the level of mineralization. It indicates the general type & conductivity of the ground. With that said, your idea may be valid, the same as using GB #s to trace Black Sand deposits. But this has more to do with Specific Gravity in an undisturbed setting. Rock piles would be much more random.
The older analog VLFs that had an analog meter often had a Calibration point to differentiate between Mineral vs Metallic. This feature was used to sample ore to determine it's potential content. You would think modern digital machine could/would offer this same feature for ore sampling.
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I would look at the Nokta Score/Double Score & Legend and the Minelab Vanquish line. Garrett's offering is the Apex.
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I will suggest you seriously consider a MF machine. It will handle the soil & iron much better than a Single frequency unit with more stable TIDs. There are several to choose from in your price range.
Welcome to the Forum from East Texas.
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Very neat.
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Handy as a shirt pocket & sell like hot cakes comes to mind.
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The metal washer will not move relative to the coil so will not cause a false signal. Perhaps you could find or fabricate something out of stiff plastic instead.
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I would contact Dimitar, he has always been willing to help if possible. Otherwise that break should be repairable with marine grade epoxy and a stainless steel reinforcement washer on the outboard side.
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Not gold nuggets, but I have dug some unbelievably small low conductors at 2-3 inches in bad dirt running M2, even with the bigger coils. Very seldom anything desirable but impressive. I would be afraid to run Goldfield M on my sites!
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Interesting
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Welcome from East Texas.
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I'm enjoying watching your & your friend's new Channel. Well done.
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I actually have all 6 coils. They all have their place for various site conditions and are all excellent. You should be able to get any of them in 5 pin from Richard at Backwoods.
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Welcome from East Texas. I enjoy the Vista X also,
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Welcome from East Texas.
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Welcome from East Texas.
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Welcome from East Texas.
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10 hours ago, RobNC said:
Hell, who wouldn't be happy??!! The best of both worlds. The Legend for rough and tumble stuff down in the muck to dig everything when you were bored, and the Versa for cherry picking places first. Seems like a winning combo.
Can you tell me if that Rutus Versa is actually better than the Legend by a large margin or is it just my infatuation with the Versa at the moment that is blinding me. I don't have the Versa but lust for it badly. I do have the Legend, The Equinox 800, and the XTerra Pro. The 3 Stooges.
Overall, I will use probably use the Legend more hours than the Versa. The Versa is my primary choice for the more difficult conditions; very heavy iron trash, deeper targets in mineral red dirt, but I will have worked the Legend there too. The Legend would be my first choice for hunting in Aluminum trash, but I will later go back with the Versa. These are the scenarios that I have found where one has an advantage over the other for me. Except for in these "special" conditions, both machines are neck & neck on performance. Both are equally rugged. Like any detectors, each will "see" things the other will miss. That is why I will use both on a site. That is why I will also work a good site with the Tarsacci, Vista X and/or some of my other units. They each have unique qualities. That is why I will also try to get Nokta's relic PI they are to introduce.
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Keith Southern advocated for something similar. He described his idea as a Sonic Picture of a target.
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What EL NINO just stated for me too. The Legend is an excellent all around detector. Very deep and accurate if set up & used correctly. Where it falls short for me is on deeper targets in my mineralized red dirt. The V1.14 Dt adjustment helps significantly. The Be mode also, but Dt is more practical for me unless the ground is very clean & I am only searching for deep larger relics.
Because I have the Versa, it will be my primary unit for deeper targets on my red dirt sites both with and without iron. I will still use the Legend with the LG 35/13” coil too. On low mineral sites set up right with the big coil & using Dt it can be deeper than the Versa on some targets. I’m glad to have both rigs. -
6 hours ago, Jeff McClendon said:
Thank You Dilek, the engineers and field testers and Nokta. That was an outstanding set of videos.
They answered two big questions for me.
1. Do I need to do a ground balance in Beast Mode using the normal ground grab procedure?
Yes, especially where I detect since without one my Legend just howls if I even move it a couple of inches left, right up or down. After doing a normal ground grab, my Legend in Beast Mode was very quiet.
2. When do I need to use the second ground balance for MBe?
Since the soil I hunt in has high iron mineralization I assumed I needed to do the second ground balance and I found that to be very tedious. So, no I don't need to do the second ground balance unless I am experiencing actual detectable as targets hot rocks and/or changeable ground conditions that can be detected as targets.
I was able to try MBe at a site with very little EMI but with high iron mineralization.
I used my Manticore to find 6 wild borderline targets that could be a rusted nail or a US high conductor coin like a wheat penny, copper memorial penny, clad dime or silver dime. All of these targets sounded very iffy using the Manticore but I would have recovered them if possible. I flagged those targets. They all seemed to be at least 7" deep judging from the Manticore's depth readings and from the less intense lower tone when pinpointing those targets with the Manticore's pinpoint function. I was using the Manticore in All Terrain General with its preset upper and lower iron limits, All Metals accepted, recovery speed 5, 5 tones, Normal audio, sensitivity 24.
I got out my Legend and had it setup for Park M1, A discrimination pattern sensitivity 24, recovery speed 5, iron filter 1, iron stability 4, bottle cap 0, 6 tones with tone breaks at 10, 20, 29, 43 and 50. I also had Beast Mode setup with the A discrimination pattern, sensitivity 24, recovery speed 5, iron reject 0.
I went over each flagged target using Park M1 as setup. All 6 targets gave very faint to no response with the responses being mostly iron responses and target IDs of 1 to 4 or 59/60. These responses were much more iffy and tending towards iron than the Manticore's. The targets were also a bit difficult to pinpoint using the Legends pinpoint function, meaning that getting all of the pinpoint graph bars to fill up was hard to do which usually means the target is iron from experience.
Using the Beast Mode as setup, all 6 targets were very easy to isolate with distinct high tones with iron reject on 0. Adjusting iron reject to 2 helped to determine which targets were probably iron and which were not. Target IDs were 1 to 4 on these targets with the occasional 55 to 60. Much like the demonstration video, targets that had a non ferrous response and target ID of 2 that were actually iron, had ferrous responses when I turned up the iron reject setting to 2. Those iron targets still had a target ID of 2. So, as Nokta has repeatedly said, do not depend on the target IDs when using Beast Mode. The Legend in Beast mode correctly identified all 6 targets as far as ferrous or non-ferrous. 4 targets were rusted nails in the 8 to 10" depth range and 2 targets were US wheat pennies again in the 8 to 10" range.
Well done Nokta!!!!
Jeff, did you experiment with Dt in Park mode on those flagged targets? The little extra depth I can get with BE mode comes with little to no extra target information compared to Dt enhancement at practically the same depth.
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A very good thread topic.
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Welcome from East Texas.
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At some point I intend to set my test back up in better planned EMI free conditions. The Legend seems to also have two main TX frequencies no matter the mode(except BE) or even SMF selection. The secret sauce is evidently in the signal processing.
Old Green And Old Silver
in Metal Detecting For Coins & Relics
Posted
Excellent