take a look at what the experts have said Check Out Page Five ground effects reduce the detectors ability to detect coins.
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GA_Digger said:Agreed...
Air test are only good to show that your detector is working. Soil conditions, how long the object has been in the ground, the "halo" effect, and the user actually determines on HOW the detector is going to function in the field, not on the workbench !! (period)
Been digging since 1974 and have had many machines. You've got to be at the right place and know what you're doing.
Good luck!
Rigit said:I think some of you could be missing the point here, and the point is and has always been, machines that perform poor in the air continue to perform poor in the ground, the grounds conductivity etc etc does not make what started of as a poor machine better than one that started of as a good one.
I have own many machines and the ones that have produced the hammered silver and gold coins are the ones that also performed well on the initial bench tests in my case the (Explorer and XLT) and the one that did the worst when initially bench tested continued to be poor in the field (C~SCOPE R1 and Garrett 250i) in fact I complained to Garrett because it could not detect a cut hammered at all, and the response I got back was that it wasn't designed for detecting medieval UK coins and was developed for the US market (they was still happy to sell it into the UK market) though) YES we all know that all machines work best when you have optimum conditions but optimum conditions can't make poor machine good.
So in air tests are used for reference only and do indicate the machines potential.
GA_Digger said:Agreed...
Air test are only good to show that your detector is working. Soil conditions, how long the object has been in the ground, the "halo" effect, and the user actually determines on HOW the detector is going to function in the field, not on the workbench !! (period)
Been digging since 1974 and have had many machines. You've got to be at the right place and know what you're doing.
Good luck!
Rigit said:I think some of you could be missing the point here, and the point is and has always been, machines that perform poor in the air continue to perform poor in the ground, the grounds conductivity etc etc does not make what started of as a poor machine better than one that started of as a good one.
I have own many machines and the ones that have produced the hammered silver and gold coins are the ones that also performed well on the initial bench tests in my case the (Explorer and XLT) and the one that did the worst when initially bench tested continued to be poor in the field (C~SCOPE R1 and Garrett 250i) in fact I complained to Garrett because it could not detect a cut hammered at all, and the response I got back was that it wasn't designed for detecting medieval UK coins and was developed for the US market (they was still happy to sell it into the UK market) though) YES we all know that all machines work best when you have optimum conditions but optimum conditions can't make poor machine good.
So in air tests are used for reference only and do indicate the machines potential.
GA_Digger said:I can't believe Garrett actually told you that it's machines weren't designed for medieval coins! I can see the ad over in a UK. The Garrett 250i, blah,blah,blah ... o by the way I hope you don't expect this thing to find coins,heehee. And yet they still sold them over there. Coins are made of different mixtures in all parts of the world and any MD should find them. You also made logical sense on air testing being a good gauge as to a machine's performance on the ground. It is not an absolute truth but when a certain machine can't do over 2" in an air test I hardly concur that it will start finding coin's at 6" or over.
Rigit said:I chose the Garrett 2500i because I had much success with my old Garrett Ground Hog so following a break from detecting while raising a family of four I was sure that if I purchased a new top of the range Garrett I should be getting a really good detector. I soon realised that when working ploughed fields I was only finding larger coins and the odd large hammered but not finding anything small even though my fellow club members where do well, the final straw was while detecting on a farm with my friend Denis he pulled a Edward 1st farthing with his old faithful Fisher, anyway me being curious I ran the Garrett over it and was horrified that no matter what it could not detect the little coin even with no discrimination at all thinking that the machine was faulty I Emailed Garrett and explained how the machine had failed to detect the above hammered coin only to receive the res ponce as mentioned in my previous post "the machine was designed for detecting US coins and not small UK medieval coins" so I made dam sure that all forty club members where made aware and not to fall for the hype like I did.
kered said:http://www.mlotv.com/view/368/firle-field-tests-flatulence-and-male-bonding-/