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Went to an unoccupied, dilapidated home today, built in 1930 for about 2 hours; I just recently got permission to hunt this property. This is only about 2 miles from where I live, still in the country (away from town and thus the more substantial EMI).
Turning the machine on, running sens up to 99 and putting it in all metal mode, I heard little interference/EMI, but still set it on the frequ
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steveg
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Thomas Dankowski Metal Detecting Forum
markg --
Now that is some really cool information. Was that in boost process, or no? If not, then hitting an 8" nickel with a solid tone in all four directions at 8", sens 40, thresh 0 is really impressive, to me.
And, by the way, CONGRATS on the silver -- nice job!
Steve
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steveg
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Thomas Dankowski Metal Detecting Forum
Kurt --
Thanks for the info. That does help sometimes from what I can tell...sometimes the higher tones disappear when you rotate; other times, they continue, but maybe 10-20 numbers lower on the VDI than from the other direction; usually I'll dig those and usually they are junk. I still have alot of learning to do on this machine.
Steve
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steveg
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Thomas Dankowski Metal Detecting Forum
ozzie --
First of all, thanks for the kind words! Secondly, I'm with you, I can't (at least not yet) tell the differences in good vs. bad (regarding the occasional high tones amongst the nails).
groundscanner --
Thanks! I will be really interested to hear your results. Make sure you let me know how it goes! I went on another hunt today, new site. I'll post some detail
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steveg
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Thomas Dankowski Metal Detecting Forum
Trying to understand ground phase, and then the DEGREE of mineralization in the soil, I came across the following quote from Mr. Dankowski:
"Ground Balance numbers merely tell you the TYPE of ground....and NOT the AMOUNT of ground minerals. It is the Fe3O4 bar-graph that starts to show you the amount of mineralization........especially if it's magnetite."
Since the F70 does n
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steveg
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Thomas Dankowski Metal Detecting Forum
For any of you that read my prior "rookie question" post about brain overload from my first use of the F70, I appreciate all the responses.
As snowmelt commenced today, I decided to go into my own yard, in some areas where the snow was gone completely, and give the machine a run under "better" conditions. I live in the country, in a small neighborhood recently developed on
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steveg
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Thomas Dankowski Metal Detecting Forum
dgc --
This is an interesting question, and one I would like to understand better as well. I am still trying to wrap my brain around exactly what "performance" effects occur when changing sensitivity and threshold. You probably already know this, but here is how Mr. Dankowski answered an earlier question I had about exactly what sensitivity and threshold do...
"Transmit pow
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steveg
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Thomas Dankowski Metal Detecting Forum
Mr. Dankowski --
Thanks. I now know what DVD I'll be buying...
FWIW, the one time I had the machine out so far (before our most recent snow disabled the "learning process,") it seemed natural to me to check the dirt in the pile with "pinpoint" mode; don't know why, but that's what I found myself doing, and, yes, I do have a pinpointer...
I will do 4-
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steveg
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Thomas Dankowski Metal Detecting Forum
BuckeyeBrad --
Thanks for your advice, and I enjoyed your "analogy" situation! But it makes sense. And you are right, I didn't even think about the fact that "notch" would help cut down even more of the noise. DUH! I was so frazzled within a short time that my brain wouldn't even work, obviously. Anyway, you basically echoed Mr. Dankowski in that I need to
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steveg
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Thomas Dankowski Metal Detecting Forum
southernexplorer --
Thanks for the additional info! Can you pass on the name of the video you refer to?
groundscanner --
What you bring up hits at one of the things I am still not sure about. You say you ran sens. down only a little, but thresh. down alot to quiet the machine a bit. You say next time, you are going to try a higher thresh. but running sens. down more to gain the more q
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steveg
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Thomas Dankowski Metal Detecting Forum
interesting take on it, southernexplorer. I didn't want to "slow it down," as the manual talks about a fast sweep being best for IDing the target, and I was concerned that slowing it down might give me MORE jumpy tones/TIDs. But, sounds like it works for you so I will try that tip. Good stuff!
Thanks!
Steve
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steveg
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Thomas Dankowski Metal Detecting Forum
Tommy --
Thanks much for that input. I was hesitant to turn the sens. down TOO far; it's dumb, but my reasoning was that "I just got rid of a lesser detector as I was not pleased with the depth it gave; last thing I want to do is de-tune this one way down -- the extra depth/sens. is what I spent the money on the upgrade for!" But brain overload from the tone barrage was not he
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steveg
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Thomas Dankowski Metal Detecting Forum
Wow, groundscanner. And you don't even have it learned yet (per your words?) That is really encouraging -- especially good to hear you also say that you find it to be "a handful" at times, in the trash. Once you do "get a handle" on tweaking it in the trash, anything you could post to explain what you are doing would be much appreciated. I'm gonna run for a while
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steveg
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Thomas Dankowski Metal Detecting Forum
TerraDigger is right -- it's how and why I ended up here. It's HIS fault!
HumblePie also makes a good point IMO. I guess if there is going to be an "issue" with the forum, this is probably the best "issue" to have...
Steve
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steveg
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Thomas Dankowski Metal Detecting Forum
Aww, come on, man. You don't have time to keep answering all of our questions? You make it sound like you have more important things to do. What, are you a rocket scientist or something? Oh, wait... Joking of course!
Seriously, though, I for one am supremely grateful to have found this site, and especially to have someone with your knowledge be as down-to-earth and willing to share
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steveg
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Thomas Dankowski Metal Detecting Forum
Mr. Dankowski --
Thanks for the kind words! It was overwhelming, that's for sure. But, you know what, I'm thinking about what you said, 4 tone, NOT 4H, and I'm thinking that really makes sense. I noticed that when I dropped out of 4H tone just before I had to quit for the day, it DID become a bit easier. My thinking watching the TIDs was that alot of the "bouncing of p
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steveg
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Thomas Dankowski Metal Detecting Forum
OK...
I have read ALL of both "compilation" posts, the "rcpt ack" post, read the manual twice, and have at least some level of experience on my earlier, lower-end First Texas (BH) machines. Having said that, my first trip out today with my F70? BRAIN OVERLOAD! I now see what Mr. Dankowski meant in places on the forum where he alluded to "too much info, too quick, fo
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steveg
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Thomas Dankowski Metal Detecting Forum
KeithSouthern --
Thanks for the further info. I'm in Oklahoma, and while we don't have the gold/copper, we do have an over-abundance of red, iron-rich clay. So maybe it would do a "nice" job on silver here, relatively-speaking -- given that other machines might suffer more in my dirt that the Bugs/G2 would based on your info, rendering them more close to "equal"
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steveg
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Thomas Dankowski Metal Detecting Forum
KeithSouthern --
Thanks for the clarification. Sounds then like maybe you DO agree that the G2/Bug SE or Pro might serve well in a "primarily gold, secondarily backup coin machine" role. Could you venture a guess at how deep yours would have hit a clad quarter air-test wise? I don't have any questions on its performance w.r.t. gold...just the silver/clad issue I'm not sur
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steveg
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Thomas Dankowski Metal Detecting Forum
Do I read your post as to say that you weren't super thrilled with the GB/G2 performance on silver? This is good to know; I would really like to have a second, gold-oriented machine to take on an occasional prospecting trip (with a friend who prospects), but can't justify the cost of buying a detector that I would use literally only once every one or two years or so. Now, on the other
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steveg
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Thomas Dankowski Metal Detecting Forum
TerraDigger --
And worse, I started my college education in Electrical Engineering before switching -- not surprising I guess that I have an annoyingly long-winded nature!
Through my life, I have exasperated literally countless numbers of folks (teachers, professors, co-workers, oh yeah, wife ) with my "million-and-one questions" personality. I ALWAYS longed for a teac
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steveg
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Thomas Dankowski Metal Detecting Forum
Question related to this quote from BuckeyeBrad above...
"They did find a way to compensate somewhat for the "typical" lack of high conductor sensitivity using 19 khz as had been the case up to that point. It happened relatively late in the project and was incorporated shortly before production began. I'm not sure if this happened when Dave Johnson was still working on it o
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steveg
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Thomas Dankowski Metal Detecting Forum
Mr. Dankowski --
Perfect. I have it clear now.
I presume your last sentence is referring to the F75 LTD only, or is this true also on the F70? Either way, I do now see that the 4 and below disc. is NOT a slower microprocessor speed as I had assumed, but a "threshold" drop. Thanks for that clarification.
THANKS!
Steve
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steveg
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Thomas Dankowski Metal Detecting Forum
Thanks for the info, Mr. Dankowski.
Might I ask for a couple of additional quick clarifications? One is regarding slow versus dE (default). I get the "trashy" vs. "clean" and which to use (slow in clean ground, dE when trashy), but why? What is it that the microprocessor is doing when running "slow" that makes it "deeper?" And, does the "slow&q
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steveg
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Thomas Dankowski Metal Detecting Forum
Thanks gman.
Yeah, I realize that an LTD in boost mode will be a different animal from the F70. I am just trying to figure out how much of the wealth of info I am reading on this forum regarding the LTD might also apply to the F70 (processes and controls specific to the 75 LTD notwithstanding).
Steve
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steveg
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Thomas Dankowski Metal Detecting Forum