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More lessons learned in my crazy southern soil...
- Thread starter REVIER
- Start date
REVIER
Well-known member
Dave J. Just chimed in with some cool insights using slow mode on my F70 or boost and cache on the F75/T2 in the Teknetics section.
http://www.findmall.com/read.php?58,2235509,2236145#msg-2236145
SL might just smear the targets ID's the way I am using it with the coil on the ground. He recommends that in mineralized ground use DE or in SL hover several inches above the ground which might actually get deeper in this kind of soil than scrubbing.
Trying to wrap my head around that one, considering the ground as a shallow target, but if Dave J. says it I gotta try it in both all metal and disc.
One more piece to try to fit into this puzzle.
---------------------------------------------
Posted by: Dave J.
Date: September 24, 2015 08:59AM
"Cache mode" on most F75 and T2 versions is very similar to "Slow mode" on the F70. The response is slow, with improved sensitivity to large deep targets. However this means that the signals from shallow targets will smear, with a cost in both sensitivity and in ability to discriminate and ID targets. Shallow targets will do better in cache/slow mode if you slow down to a crawl, but the default and boost modes work better for the shallower stuff. And, if you really do want best response on deep stuff, all metals mode goes deeper than disc mode. For finding the deep stuff, an alternative to Cache/Slow mode is to search in Boost mode all metals, then switch to disc when you suspect you're fighting trash. ........Another way to deal with shallower stuff is to search in Cache/Slow mode with the searchcoil lofted several inches above the ground. This will result in a big cut in response to shallow trash, but perhaps more importantly it will achieve a large reduction in ground mineral interference (since ground itself is the shallowest target) and in mineralized ground will usually enable deeper detection than if you were scrubbing the surface in a misguided attempt to "get as close as possible to the deep targets".
SUMMARIZING: Cache/Slow mode is basically for locating large deep stuff in areas where there's not so much trash as to defeat the enterprise.
--Dave J
http://www.findmall.com/read.php?58,2235509,2236145#msg-2236145
SL might just smear the targets ID's the way I am using it with the coil on the ground. He recommends that in mineralized ground use DE or in SL hover several inches above the ground which might actually get deeper in this kind of soil than scrubbing.
Trying to wrap my head around that one, considering the ground as a shallow target, but if Dave J. says it I gotta try it in both all metal and disc.
One more piece to try to fit into this puzzle.
---------------------------------------------
Posted by: Dave J.
Date: September 24, 2015 08:59AM
"Cache mode" on most F75 and T2 versions is very similar to "Slow mode" on the F70. The response is slow, with improved sensitivity to large deep targets. However this means that the signals from shallow targets will smear, with a cost in both sensitivity and in ability to discriminate and ID targets. Shallow targets will do better in cache/slow mode if you slow down to a crawl, but the default and boost modes work better for the shallower stuff. And, if you really do want best response on deep stuff, all metals mode goes deeper than disc mode. For finding the deep stuff, an alternative to Cache/Slow mode is to search in Boost mode all metals, then switch to disc when you suspect you're fighting trash. ........Another way to deal with shallower stuff is to search in Cache/Slow mode with the searchcoil lofted several inches above the ground. This will result in a big cut in response to shallow trash, but perhaps more importantly it will achieve a large reduction in ground mineral interference (since ground itself is the shallowest target) and in mineralized ground will usually enable deeper detection than if you were scrubbing the surface in a misguided attempt to "get as close as possible to the deep targets".
SUMMARIZING: Cache/Slow mode is basically for locating large deep stuff in areas where there's not so much trash as to defeat the enterprise.
--Dave J
still looking 52
Well-known member
Revier, that's a fantastic find! That coin probably blew your ear phones off. That should have ID at about 99 if I'm thinking right, of course I've never found a silver dollar before but I did check one once and that's what it would ID. How deep was that bad boy?
REVIER
Well-known member
still looking 52 said:
4", solid, clear,loud but not unusually so, laying flat in the hard soil and a solid 98-99 no wavering. I actually was using DP tones which I rarely have in the past.
Ding, ding, ding nice high tone on every pass.
Most cans usually say 3" in depth and still ring in with the coil really high, this one said 4" and blinked out as I raised the coil.
Still thought it was a can, though, but I had to dig it because it was not quite classic and I got curious. If I was in a hurry I would have given up halfway down because it took awhile to get down into this dry dirt just to dig a can or big piece of iron.
Glad I had the patience to see it through.
My hole was only about 6" wide and the dirt was rock hard as I scraped away layers to get down there. Thank goodness I stuck my digger to the side and pried up the last inch of dirt instead of scraping that last bit away when my handheld told me I was getting close.
If I dinged this thing I would have been mad. This was my one shot at something this rare so I was lucky...I don't expect to find another in my lifetime unless the gods decide to smile down upon me again.
The funny thing was I already hunted in the morning at another park and I only went to this neighborhood park for something to do because the wife chased me out of the house in the afternoon.
I expected nothing and just wandered around that park scoping out different small areas I had not tried before just to get info for future hunts.
Little did I know this nothing hunt would turn into a life changing one for me.
REVIER
Well-known member
IBdiggin said:
I have had two of these can but night quite a classic can signals in my career, ended up being the two top finds in my collection.
These targets are so elusive that most hunters that have been doing this for decades more than I have or probably ever will have never found.
Most full cans say 3" on the depth meter no matter where they are, come in high, bounce around a little bit and still sound off with the coil impossibly high for coins raising it up over this trash.
Both of these had some of those behaviors but not exactly the same when I stopped to examine them closer.
Both stayed solid with no more than a 2 number bounce, both were a bit higher numbers than full cans, both showed one inch further than that common 3" depth, both came in while swinging the coil high but blanked out before getting too high and both showed a smaller footprint than I thought it would when I painted the area with my pinpointer on my detector and then my handheld from the top of the ground.
I still would have bet you that I was going to be digging big, flattened cans on both signals but without X Ray vision I am never 100% positive so I must dig to make sure.
Because I dug and didn't just assume and walk by I have this dollar front and center of my collection and the other is shown below.
An older and way experienced and successful hunter on another forum, steve in so az, used to have a saying and the first time I read it for some reason it made a major impression on me.
"I didn't come out here just to swing...I came out here to dig!"
It still resonates big time with me, probably always will after these two.
WV62
Well-known member
Just a thought about buried cans. I know when you run into one and don't take it out of the ground there is about a 2' circle of ground that is somewhat un-hunt-able. I have wondered how many of those 98 - 99 readings were silver dollars and I went on buy. I have only found one silver $ in all the years of my detecting.
Today I got a silver $ in my pocket and my brother is bringing a can and we are going to see if we can swing over them and get some kind of difference that would give the ID away.
Ron in WV
Today I got a silver $ in my pocket and my brother is bringing a can and we are going to see if we can swing over them and get some kind of difference that would give the ID away.
Ron in WV
I guess one just never knows. I've dug 2 silver dollars of late with two different F 75's and both read in the low 90's. I've dug some pretty deep cans, too, that sounded good and id'ed like a quarter or half. Shallow cans have a pretty big feel to them, but one of the silver dollars I dug was only 2" deep and for sure was a real screamer. I dig some of those good sounding upper 90's readings, but none of those 98-99's have been anything good for me. Like I said, "one just never knows". HH jim tn
REVIER
Well-known member
Just air tested this thing.
At the same 4" it came in at a normal 92.
At one inch it was 93-94, with the coil raised high to 8" it lowered a bit to 90-91.
This soil seems to magnify and raise the VDI numbers as you go deeper so my normal shallow copper cents and silver dimes at low to mid 70's all come in at the high 80's to low 90's when they are at the 5-7" level and a war nickel I found also was very high at that deeper level.
Up to about 3" around here things seem normal, at 4" and especially beyond everything changes.
If I rolled over this thing back in Kansas soil I assume it would have been in the low 90's no matter how deep...here it is different.
Not a big deal really, I learn the standard Fisher language for shallow targets and all targets in good soil, now I just have to adjust to a slightly different dialect on the deeper stuff here in this soil.
I am finding and digging targets at levels deeper than ever before, not a ton of them out there but I am recognizing them when I do come across one so all this work is showing great results.
This hobby is sometimes about adapting and adjusting to different sites, conditions and situations.
Those that are successful become successful.
At the same 4" it came in at a normal 92.
At one inch it was 93-94, with the coil raised high to 8" it lowered a bit to 90-91.
This soil seems to magnify and raise the VDI numbers as you go deeper so my normal shallow copper cents and silver dimes at low to mid 70's all come in at the high 80's to low 90's when they are at the 5-7" level and a war nickel I found also was very high at that deeper level.
Up to about 3" around here things seem normal, at 4" and especially beyond everything changes.
If I rolled over this thing back in Kansas soil I assume it would have been in the low 90's no matter how deep...here it is different.
Not a big deal really, I learn the standard Fisher language for shallow targets and all targets in good soil, now I just have to adjust to a slightly different dialect on the deeper stuff here in this soil.
I am finding and digging targets at levels deeper than ever before, not a ton of them out there but I am recognizing them when I do come across one so all this work is showing great results.
This hobby is sometimes about adapting and adjusting to different sites, conditions and situations.
Those that are successful become successful.
still looking 52
Well-known member
Just yesterday while I was hunting I noticed that when my confidence meter is low and my ID # is high that indicates a good target but is deep. Since I'm looking for silver this is actually a better reading than a high confidence reading because they are almost always shallow and never silver. I didn't find any silver yesterday but I did find several coins in the 5 to 6 inch range which could have easily been silver. Like Jim says, I'll take quality over quantity every time.
CZconnoisseur
Active member
I've noticed with my rig some of the deep, 7" plus coin like to indicate much higher in the spectrum as well. Glad to see this is not limited to just my machine.
Recently I changed some higher notch settings that were usually large, deep iron and was pleasantly surprised to pull coins at the 8-9" level after the changes. Learn something new all the time!
Recently I changed some higher notch settings that were usually large, deep iron and was pleasantly surprised to pull coins at the 8-9" level after the changes. Learn something new all the time!
REVIER
Well-known member
Went back to a really small area where I found a few old wheaties before.
Hit it several different times but I always come back to try for just one more good target.
No place is ever hunted out.
This morning instead of a high 80's signal like I got on those wheaties this one was in the mid to high 70's.
Pretty jumpy because there was iron near it but I am digging the jumpy ones now because that is all that is left here.
From about 5" deep something crusty dirt covered came up but I could see some nice green around the edges.
I hoped for another really old wheat so I rubbed the back till I could see that ONE CENT but this was stamped way bigger than a wheat on this one.
1897 Indian....my first 1800's coin since I returned to Bama.
Happy, happy guy.
A solid 55 on every pass out of the ground.
Hit it several different times but I always come back to try for just one more good target.
No place is ever hunted out.
This morning instead of a high 80's signal like I got on those wheaties this one was in the mid to high 70's.
Pretty jumpy because there was iron near it but I am digging the jumpy ones now because that is all that is left here.
From about 5" deep something crusty dirt covered came up but I could see some nice green around the edges.
I hoped for another really old wheat so I rubbed the back till I could see that ONE CENT but this was stamped way bigger than a wheat on this one.
1897 Indian....my first 1800's coin since I returned to Bama.
Happy, happy guy.
A solid 55 on every pass out of the ground.