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Jim:
I like the continuous ground balance idea. The Auto/Tracking line of thinking came from another forum but I've always wished the F-75 would have come with it.
Ron
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jackalope
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Thomas Dankowski Metal Detecting Forum
Tom:
Would it be a big expensive deal for the F-75 to be upgraded to Auto/Tracking? Maybe the cost would be prohibitive. I would pay a reasonable amount for an upgrade like that.
Ron
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jackalope
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Thomas Dankowski Metal Detecting Forum
Tom:
Tried to use the F-75 on the beaches at Galveston but could not get it to ground balance on wet or dry sand either FASTGRAB or MANUAL. IKE really scoured the sand off the beaches and it looks like just the heavier material was left.
Beach Hunter I.D.300 was a joy to use. Did a lot better than I expected but getting out there at 3:00 A. M. for the minus tides wore me out.
Ron
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jackalope
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Thomas Dankowski Metal Detecting Forum
Thanks Tom, I was hoping you'd say that about the F-75.
Plans are to spend a little time in Galveston during the minus tides. Most of my effort will be with the BHID 300 but when I'm almost out of steam I'll use the F-75 in the dry sand. Apparently, they are rebuilding the beaches after "IKE" which could make for some interesting finds. Doesn't take too long for
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jackalope
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Thomas Dankowski Metal Detecting Forum
Tom:
Getting ready to do a weeks worth of Gulf beach hunting with a new White's BHID300. Anything you can add on the BHID300 would be appreciated.
When I take a break from the water hunting, I'll be hunting the dry sand areas for Micro-jewelery. Had planned to use the BHID but then remembered how great the F-75 is on small items. Don't have a dedicated gold machine, so what
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jackalope
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Thomas Dankowski Metal Detecting Forum
Ian:
Yep, I saw that. Wrapping the handgrip with tennis racket wrap will be the next thing to try if it's too much problem to just replace. Not comfortable with sending the F-75 for the upgrade. I like it just the way it is (minus the split handgrip).
Grew up in the city. Wonder if Belle Isle is open to detecting. When I was a kid everything North of 8 mile was open fields. Used to be
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jackalope
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Thomas Dankowski Metal Detecting Forum
I have one of the pre-upgrade F-75's and have not had a problem with the battery holder. I do use rechargables and they get recharged after every use. Maybe letting the springs relax regularily avoids the problem?
What I do have is a split handgrip that's split about halfway up. I have no other issues with the F-75, small coil or the FX-1 probe. I'm hoping Fisher can send me a n
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jackalope
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Thomas Dankowski Metal Detecting Forum
Max:
I'll be following your posts closely, as I have the same idea about the F-75...E-Trac. shift. My main interest is the way the E-Trac automatically handles the ground balancing. Not too interested in the patterns part but the ground balance and the tones intrigue me.
If I sell my F-75 it will be a combo deal including the FX-1 probe and the small coil. Not going to turn it loose un
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jackalope
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Thomas Dankowski Metal Detecting Forum
Tom:
Went to a gun show this morning and had a chance to talk with a guy that is really up to date on old cartridges. I mentioned that cartridge I found a while back that showed no evidence of have an external primer. He said they used internal primers before they figured out how to use the external primers. Kind of coincidental as I found another cartridge today that has the firing pin indent
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jackalope
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Thomas Dankowski Metal Detecting Forum
Tom:
Hitting a site that's been scraped to build I-25; probably in the 50's or 60's. Used to be the Fairgrounds. Lots of targets but mostly modern non-ferrous trash. I suspect there might be some older targets there but it depends on how much soil they scraped off. Maybe I could get lucky and the scrape would be just enough to get at the old stuff. Did find a shotgun shell base
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jackalope
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Thomas Dankowski Metal Detecting Forum
Tom:
It's pretty corroded but we're cleaning it up. It has Waterbury Button Co on the back and around the rim on the front are 13 stars. Tried to look it up but no luck so far. Company produced buttons from 1849 thru 1965. It's actually a little bigger than a large cent but a little smaller than a half dollar. Probably about 28mm or 29mm.
Ron
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jackalope
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Thomas Dankowski Metal Detecting Forum
Thanks Tom & Mike:
Links page doesn't want to come up for me on the Hippo site, but I'll keep looking.
Tom:
I'm thinking that my approach to hunting out here has been wrong. Relics and artifacts are all over, so I'm going to concentrate on them and let the coins just come along. Lots of shell casings, buttons, etc.
I just found a large button (half dollar siz
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jackalope
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Thomas Dankowski Metal Detecting Forum
Tom:
I'm finding lots of old brass of various calibers but also found an old shotgun shell base that I'm wondering about. It's not like your normal 12 ga. base because it has no side metal to it. It's just a flat disc with a used primer still in it. The primer looks like it has some sort of rubber seal around the part that's inside the shell. As best I can read, the bo
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jackalope
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Thomas Dankowski Metal Detecting Forum
Tom:
Went ahead and did some depth testing with the F-75. In addition to some dimes I had previously buried at 8" and 10", I placed a dime into a slot in a piece of wood, taped in securely, and slid it about 3" into the side of a new hole at 8" deep. Thought maybe an undisturbed column of dirt overhead might help.
Searched in sens 99, PF mode and tones 4H and Disc. at 0.
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jackalope
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Thomas Dankowski Metal Detecting Forum
Tom:
I believe you mentioned in previous posts that the F-75 is a good choice for low to moderate mineralization sites and maybe the Minelab for tough soil. Generally, what would be the cutoff point on the F-75 GB# and the fe3o4 meter?
Here in WY my GB# is always between 80 thru 90 and the amount on the fe3o4 meter is usually (.1). I've been out with the F-75 quite a few times but hav
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jackalope
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Thomas Dankowski Metal Detecting Forum
Tom:
Yep, the large DD coil is quite a bit farther away from my body but I wear rubber moccasins and didn't have any digging equip. with me. Are you suggesting that our bodies affect the coil field, even though no metal is present? I know that objects near my ham antennas distort the field and cause a certain amount of power to be reflected back toward the transmitter (VSWR).
I thought
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jackalope
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Thomas Dankowski Metal Detecting Forum
Tom:
Was out back playing in my test garden and stumbled across something unusual. I have a clad dime buried recently at 4" deep in close proximety (3") to a large, bent, rusty square nail buried recently at 4" deep. Normally get mostly iron grunts all around with occasional iron false squawk from this target. Decided to try something different.
When swinging the F-75, the sh
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jackalope
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Thomas Dankowski Metal Detecting Forum
Tom:
The cartridge casing I mentioned earlier has a small circle ( 3/32") in the center of the back of the casing. Could be a primer but I'm not sure.
Can't get the significance of finding the cartridge out of my mind, so I went back for another try. Ground is really hard and dry but there's rain in the forcast. Found around .60 cents in clad and another shell casing. Th
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jackalope
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Thomas Dankowski Metal Detecting Forum
Hit an old school up in the mountains built in 1892. Found nothing much good; only .22 shell casings and old (real old) highly corroded steel bottle caps.
Most of the bottle caps gave sort of a squawk with the high tone but I dug a few anyway. Once the ground was disturbed, the F-75 would not detect the cap. Had to use the pinpoint function on the FX-1 to find them. Found myself using the FAS
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jackalope
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Thomas Dankowski Metal Detecting Forum
Tom:
Hit the same spot again with mostly the same results. Clad pennies and dimes but no quarters. Lots of tabs. One old key. Coins were close to the surface and tabs were at 4".
Found, what appears to be, an old centerfire cartridge case at 10" to 11" deep. Powder chambers been stomped flat. Looks like brass. By my measurements, it looks like the slug was .44 or .45 cal. L
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jackalope
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Thomas Dankowski Metal Detecting Forum
Tom:
Most of the tabs recovered from this area have the rectangular (square?) handle with a few having the round handle.
I'm hunting the old shoreline above the old high water line. Large Cottonwood trees here and medium to sparse grass. Area is located on the side of the lake (Southwest side) closest to what would have been the main part of town c. 1880. Wind is mostly from the West
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jackalope
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Thomas Dankowski Metal Detecting Forum
Tom:
During a recent hunt at a public lake/reservoir/park, I recovered nothing (except one corroded clad penny) but old pulltabs at a constant 3" depth. Ground is really dry and hard to dig. I'm thinking they are the old style pulltabs because they have the almost round pull part with the long tab part.
Was this the 1962 type pulltab and if so do you know when they stopped using t
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jackalope
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Thomas Dankowski Metal Detecting Forum
If you use the large 4 1/2 " three sided (1 side still attached) plug method on sod, with a thin spade type blade and use a drop cloth for loose soil, there should be no evidence that you were ever there. Practice it some. Then when you are challenged by a property owner, park ranger, etc., you can ask them to turn their back or go away for a bit while you dig a hole for them to look for. Do
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jackalope
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Thomas Dankowski Metal Detecting Forum
Ken:
You're right about the soil in Tom's DVD. Not a whole lot to worry about there but the holes should be filled.
I also have the Lesche hand tool and it does a good job. The blade on this Lesche digger is somewhat thicker than the spade shaped shovel I mentioned in an earlier post. That's why I use the shovel in manicured situations. The secret is in the thickness of the b
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jackalope
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Thomas Dankowski Metal Detecting Forum
Pips:
My favorite tool for areas that need to look as good as you found them is a spade type shovel. The whole thing, with handle, is about 18" long. The blade is rectangular shaped (spade type) except for the tip which is curved and almost sharp. The blade is 4 1/2" wide and 6 3/4" long.
Pinpointing with the F-75 is dead on and the target is always in the dug area. When I
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jackalope
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Thomas Dankowski Metal Detecting Forum
John:
If you're going to do a Manual GB, the instruction manual recommends being in Motion All Metal. When you find the sweet spot, and if it's around 90, you'll know it's the ground. F-75 factory resets at GB 90 anyway, so that must be a good general setting.
Ron
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jackalope
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Thomas Dankowski Metal Detecting Forum
John:
Does the GB stay on 90 when you FASTGRAB?
Do you Manual GB with the machine in Motion All Metal?
Are there any messages at the middle bottom of the display when you are trying to GB i.e. (Overload--- Can't GB---?
Are you wearing shoes with metal in them, i.e steel toe---metal eyelets?
Have you tried to GB in different locations?
Ron
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jackalope
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Thomas Dankowski Metal Detecting Forum
Although I agree completely that coil covers for ground hunting are unnecessary, and possibly signal attenuating, water hunting is a different story. When I'm using my 1280X in the water, I'm sweeping it about as fast as I can manage trying to overcome the water resistance. This also gives it the best depth potential. Unseen large rocks and other sharp objects are not uncommon and I
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jackalope
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Thomas Dankowski Metal Detecting Forum
John:
I'm thinking that if the sound gets louder as you lower the coil (pushing it into the ground), you needed to lower the GB number. When I manual ground balance, there's only a small area where the pushing or pulling of sound goes away. Sometimes just before reaching this sweet spot,the sound gets a little faint, so you have to listen carefully to make sure you are right on it.
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jackalope
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Thomas Dankowski Metal Detecting Forum
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