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Depth Question

J

jakechiro

New member
Ok. So was out yesterday with some guys detecting. One of the running a CTX3030 with the 17" coil hit an 1834 Bust Capped Dime at 11+". We put the coin back in the hole and everyone took a turn to see if their detector would pick it up or not. Me and the other guy had our Etracs with the stock coils and he couldn't pick it up. I opened the screen, cranked to sensitivity to 30 and would barely get a beep every once in a while. To be honest, I would not have dug it. One guy had a Garrett Ace 250 or 350 and he was hitting it consistently!!

What gives????

Now I have detector envy!!!!!!!
 
Would a SEF 18x15 add depth. I have seen reviews where on coin sized targets, it is no better than the stock one.

What about the Ultimate?
 
well for one minelabs do NOT like air, if you had checked the signal BEFORE he dug it, you would have hit on it I promise, the longer a coin is in the ground the better the halo gets and the etrac with stock coil would have got it
 
Bill-NC said:
Don't you just hate it when those cheap detectors show off love it.
Click to expand...

He did really well. Pulled a Barber dime and a Barber Quarter. Better than me, I had $3.07 in clad and a live round of .40 ammo!
 
When I air test coins with my AT Pro vs my Etrac, they are almost neck-in-neck. When I hit a coin garden with the AT Pro and Etrac, the Etrac smokes the AT Pro every time. I agree with the post that 'the Etrac does not like air. The only detector that I have owned, and own right now, that hits deeper than my Etrac and even my friend's CTX is my V3i. The stock programs on the V3i are OK, but it is so customizable with the filters and stuff, that is you have a good program for where you hunt, western PA here, it's a beast! I hit deep stuff with the V3i and my friend will go over it with his CTX and not even gets a beep. I also don't think there is a better machine for nailing silver than the Etrac.
 
The Ace 250 can get 7 - 8" (weak at 7.5") in the air on a silver dime with the 6.5x9" coil. That's it - most likely to average about 7" for max in air depth.

The E-Trac can get 8-9" (weak at 8.5") in the air in Auto+3 with the 11" DD. In Manual-25 it gets 12"+ (weak at 11.5").

In the ground the Ace 250 may get equal to the air testing, but it is not likely to be more.

I would expect the E-Trac to register a hit on a 10.5" buried silver dime. Getting a hit deeper than that it becomes increasing less likely (but possible in inert soil). Very weak at 11"+.is possible.

The Ace 250 with stock coil is not going to register a hit on a buried dime at 11"+ That just isn't going to happen. Not unless the coil was larger - perhaps the 8.5 x 11" DD coil or 13" Ultimate DD might be able to do it? I suspect that is what was going on.
 
The Garrett 350 had the stock oil on it. The hole was opened and the dime was placed down around 11". The Garrett hit it on every sweep.

I am going to buy the Ultimate Coil. Hopefully that will get me some more depth. The place we hunt is SO BIG and the grass is getting pretty long in most spots that I need all the depth I can get!!
 
i dont mean to throw more non-verified hearsay into the game but im becoming convinced that the different channels the etrac uses have a lot to do with how the detector responds to what it senses in the ground. not only coins but all of the mineralization and iron fragments and debris. the combination of everything it senses and how it reponds to the operator. i was playing around in my test garden the other day. my yard is "dirty" with iron debris. one of my targets must be next to iron debris. it is a merc. at 5.5" of dirt with 3" of grass over top of it. so i figure my coil is about 7"-8" away from the target. its a target that i would probably dig in the field (If i "caught sound" of it) because it repeats (usually) but its very choppy and iffy. some of the channels i noticed were A LOT better than others at responding to the deeper targets in my garden. a few of them were really bad! I didnt investigate deep enough to say anything for sure though. but it does merit further investigation. fast on fast off, everything makes a difference. i will say for sure that after playing around i just turned fast to "off".

im not saying that you did anything "wrong", or that there was something you could have changed to get a better response. i wasnt there, and i appreciate you telling the story, because it is interesting.

i guess what would be interesting is for you to bury a deep dime and see if there are any settings that you could adjust to see if you can improve your response on deep targets?

im no scientist and really dont get to use my etrac much, a few hours on the weekend is all. just some thoughts. because i was suprised at how bad some of the responses were to that merc using different channels. this is something any of us can investigate if we have a test garden. that was some of the best advice i ever got and used from this forum. (to make a test garden.)

i guess for the record ill say the deepest coin i ever found was a memorial penny at an exact, measured, true depth of 9" of dirt, not counting grass depth or distance from coil to top of dirt.. i was stunned to find a coin this deep and this still impresses me very much.
 
I always use fast on and deep off, as I feel it gives better signals. And if the etrac is running smooth I try to keep it on channel 6, seems like I have best luck with silver, not sure why but Why mess with something if it is working for me
 
there is no question that what you do works my friend. your finds are inspirational.
 
I'm probably nuts but I swear if I find some clean ground place the coil on the ground and noise cancel , it improves the depth in my soil!
 
I was out at a park I detect fairly often today and was running in the standard coin mode with manual sen. at 24...deep on and plus 1 and dug a lot of clad at 6 to 8 inches...just before I left to go home I went to TTF to play with it for a while and

got a strong and I mean a strong signal right next to Iron and it was saying on the detector 10 inches...I dug it and it was a good 9 inches and I mean it was a strong signal. I am not very good at using the TTF program, but I was impressed

with it today...I am going to use it more, of course depending on the ground conditions at where I am detecting. I have dug clad at depths greater than 10 inches on more than one ocassion and feel that the Etrac goes as deep as any other

detector....and by the way, I am using a SEF 6 x 9 coil.....is bigger better???? I guess so, but right now I don't think I need the extra weight of the bigger coil to go deep.

eek
 
I always like to read people discuss about depth. I have coin garden. I can pick up Mercury dime at 8 inch deep, Quarter and wheat at 7 deep and Nickel at 6 inch deep. I noticed that Nickel 12-13 is not easy at deeper than 6 inch. I use Auto 3 + My coin garden help me a lot and went to heavy metal detector park and found my first V nickel and 1920 Buffalo Nickel. I think most people missing nickels or hard to find nickel deeper than 7 inch on most metal detector but I am not sure.
 
ChicagoJohn said:
I always like to read people discuss about depth. I have coin garden. I can pick up Mercury dime at 8 inch deep, Quarter and wheat at 7 deep and Nickel at 6 inch deep. I noticed that Nickel 12-13 is not easy at deeper than 6 inch. I use Auto 3 + My coin garden help me a lot and went to heavy metal detector park and found my first V nickel and 1920 Buffalo Nickel. I think most people missing nickels or hard to find nickel deeper than 7 inch on most metal detector but I am not sure.
Click to expand...
I have dug nickels all over the scale, several deep ones have come in at 01-12 and even had shield nickels last yr at 08-09

you have to dig a lot of deep targets if you don't wanna miss goodies
 
stasys said:
Looks like you used Auto Sensitivity.
Click to expand...

If you were referring to me using auto sensitivity, I had an open screen and manual sensitivity of 30.
 
Goes4ever said:
ChicagoJohn said:
I always like to read people discuss about depth. I have coin garden. I can pick up Mercury dime at 8 inch deep, Quarter and wheat at 7 deep and Nickel at 6 inch deep. I noticed that Nickel 12-13 is not easy at deeper than 6 inch. I use Auto 3 + My coin garden help me a lot and went to heavy metal detector park and found my first V nickel and 1920 Buffalo Nickel. I think most people missing nickels or hard to find nickel deeper than 7 inch on most metal detector but I am not sure.
Click to expand...
I have dug nickels all over the scale, several deep ones have come in at 01-12 and even had shield nickels last yr at 08-09

you have to dig a lot of deep targets if you don't wanna miss goodies
Click to expand...

Agree! But problem is Chicago have billions of junk metals....nails, pull tabs, beer caps, screws, tiny piece of broken metal toys, etc etc etc etc! I would do digging all if I think is a coin at private houses, less known old park, etc! I found a nice 1925 metal cream case that I thought is an old quarter. 11-47
 
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