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So, the question left unanswered is if the Nexus can be manually tuned to eliminate iron and still discern the non-ferrous signal why is this performance not available in just about every other detector made?
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
There is such a delta between the newest top-performing detectors and the expectations for them versus every detector older than a year ago that there isn't much merit in discussing anything else but the superiorities of the top three or four detectors. In the past, a much wider group of possible competitive detectors existed from a greater variety of different manufacturers. Not so anymore.
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
Tom, in the same vein, I've considered the effect of moist vs. dry soil on the final resting state of nails (and coins). The horizontal position is the most stable end-state of a nail in soil (offers the greatest resistance to further displacement). Most nails are therefore more or less in the soil matrix in a horizontal position, as they were when dropped and subsequentially buried by soil
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
Well, if the density of the target form were to be done, perhaps in the future, the approximate volume of the target could be determined with multiple sweeps from differing angles, similar to the Garrett GTI series, but more accurately. Then the phase shift would relate to the conductivity of at least the surface composition of the metal to the eddy skin depth. The assumed metal type and approxim
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
Who wouldn't like metal detecting as a kid? The reveal of finding coins or jewelry lost in the earth for decades is alluring to anyone with even a smidgen of natural curiosity. The monetary benefit of recovering valuables holds little impetus; it is secondary. To this day, it is marvelous to bring back to life, like Lazarus, targets otherwise destined to be lost forever to mankind. It'
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
Speculating here, that the main value of Tom's site as compared to other MD sites is that there is a higher degree of factual, technical, or tested observations and thought-out conclusions that carry a higher degree of integrity and therefore are useful to the user. If the majority of posts were about what MD targets were found or the subjective strengths of a detector based on purely anecdo
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
It's been my experience with deep high-conductors in mineralized soils that TID is down-averaged toward iron. The problem with wrap-around for me was always with iron nails, where the bent portion or pointy tips cause a high TID response or chirp while also a low grunt. The high-tone chirps are not repeatable and distinctly not similar to non-ferrous, but bothersome all the same. I've n
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
I don't mind a live dig video if there is something to learn from it. Not interested in watching someone searching around in the dirt for a pull-tab. Those that show the detector's displayed visual and audio data and then call/guess the depth/object and then skip to the reveal, are most beneficial. The other fail is to take two detectors to test supposedly side-by-side but instead of tr
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
If you are not using rechargeables, the list below shows the cost of disposable batteries. The highest-rated batteries are the longest-lasting at the cheapest cost. I didn't do the testing just cataloged the results.
Battery Test Results
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
I've been using the Vanquish 540 with 12x9" coil around my 1914 era house full of iron/nails and it, as reported, suffers some from masking and high-tone chirps on most bent nails. But it is useable and in average soil, it gets the depth of all but the most elite detectors. Best yet, a win, paying $313 new, plus with pinpointer and other extras thrown in, it was a deal. But comparing th
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
From what I've discovered why this page won't show the CSS stylesheets properly (at all) is because the website page is HTTPS:// protocol but these page elements are still []. Perhaps originally the web design was done in HTTP but upgraded later to HTTPS causing Chrome to actively block mixed content as the stylesheets are considered an unsecured element.
Example below:
<link
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
Well, couldn't find a way to recover the site in chrome -- it remains solid white background without formatted text. Not useable. Works fine in Firefox, which is not my main browser.
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
What happened to the forum display? It looks terrible. Is this intentional or is something wrong on my end? If it is intentional I'd recommend changing it back.
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
Simplex vs. Vanquish
Some data from England that might help give some idea of the performance of each. Not done by me, but it is actual test garden data of some value. A few other detectors are included for reference (there are many more than these in the test data). I'd ignore the actual Euorpean test targets and consider how a detector fares with low conductors near and among ferrous tr
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
There should be relationships between coins lost to the environment and coins held by people. Since reception of coinage is typically the result of merchandise transactions at the register, the distribution of change should be a major determinate of coins lost in the ground.
It is assumed that a store clerk will return coinage economically, with the least level of thought and work possible. T
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
NASA-Tom Wrote:
-------------------------------------------------------
> John...……. Dimitar deliberately detuned the MDT so
> as to not detect micro targets...…. per the bulk o
> f the populous request.
> If the 'understanding'...…. followed by subsequent
> 'demand'...….. returned; this quest would be in ou
> r future.
Tom, perhaps in a future up
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
It would be interesting for someone to test the MDT against the Nox on the smallest gold flakes, comparison in the desert/outback against indigenous targets. It doesn't matter what the original design intent was - beach detecting in salt and minerals, need to expand horizons, seek out possible unintended positive consequences.
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
I have seen many videos of the EQX picking up the tiniest of gold flakes in mineralized desert sands, especially with the small coil. So, I'm wondering . . .has the Tarsacci been able to match that performance? Is it too soon to know?
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
If anyone gets a stimulus check it is only the partial return of the fruit of their own labor that Washington confiscated. It was intended to buy votes or be wasted in some frivolous manner by politicians. Instead, it goes back to its rightful owner. It's a convoluted journey but it's a small step in the right direction. Funny how politicians on both sides can agree that if the citizenr
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
Wow. White's knows how to hype up the excitement on their new gold detector! It's apparently a gold detector. It's new. It has two coils. And a waterproof headphone. So, go ahead and pre-order now!! That's all I needed to know. I'll take two, please!
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
For those interested, I've taken the data from the French-run trials and tabulated it so the data can be displayed to provide visual information. Enjoy.
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
Perhaps the notion of creating a new platform based on revolutionary untested principles of physics within the framework of a mass-produced handheld detector that will provide every possible solicited wiz-bang gadgetry desired at an exceedingly affordable price point, which also works as advertised . . . and will be ready for production in less than a year . . . is a fantasy somewhere between the
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
Perhaps something will come of the Cygnus-1x. Based on what I've read there are four design engineers working on the project. On the other hand, the way it is being described one might think it was a combination pizza with everything on it, not a detector. Apparently, a goal is for it to "identify individual metals" and in some way incorporate something like GPR to determine target
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
I'd suspect that ML is done with FBS simply because it has huge downside in regards to small low-conductors, in that it will not resolve most of them. I'm sure ML design engineers realized they can't fix the problem as it is inherit to the FBS platform. So, the smart move was to turn a new direction with Multi-IQ, which nails those small low-conductors with ease. The CTX is the las
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
I wouldn't think air testing on micro-jewelry would provide realistic real-world results, primarily because the eddies generated in micro-jewelry are so extremely weak that the main problem is disassociating such weak magnetic fields from all the conductive minerals in the soil. Which perhaps makes the real deal breaker the internal sensitivity of the electronics (which is unalterable) rathe
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
I think the E-Trac and CTX x-mitt at 3.125 kHz for the low freq and at the 8th harmonic or 25.0kHz for the high freq. There are other harmonics but they aren't sampled, just those two. I think the noise cancel shifts the nominal freq off Channel 6 up/down a small amount. It looks to adjust 2.224% per channel up or down. The total available variation appears to be 5.560 kHz on the high freq a
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
I'd surmise, if Tom was accurately able to detect a clad dime in wet-sand at 12.5" and the same dime in the air at 11.5" (and detector freq did not change), then either 1) some unknown EMI lessened detector sensitivity (e.g., changing coil axis from horizontal (sweeping) to vertical (detector laying on the ground, sustained polarized EMI that decreases sensitivity) or 2) that parti
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
Isn't it true that it is human nature to prefer the thing we become accustomed to using and then typically find the old thing replaced by the new to be now strangely odd and undesirable? Do not children fight not to replace their worn clothes or shoes and reject the new item as weird and uncomfortable, hating it at first but eventually adapting to the new and soon predictably rejecting the o
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Johnnyanglo
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Thomas Dankowski Metal Detecting Forum
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