coin on edge signals

metaljunkie

Jr. Member
Sep 15, 2013
71
86
Thunder Bay
Detector(s) used
Deus with 11" coil
Home made water kit for deus
Garrett at pro with stock coil
5x8 coil
nel hunter coil
Pro pointer
Garrett euro ace
Primary Interest:
Metal Detecting
Had an interesting signal today...

I was at a big grassy field i have hit, quite hard the last two years with my at pro. Probably the area of a football field with very little modern trash. Mostly a clean area, with very small bits of iron, some larger pieces and a few very busy nail beds. In the past i have pulled a George III copper, a quebec bank token, indian, canadian lc, seated dime and at least a dozen flat and sporting buttons here. All were max 6" deep. Making good targets, usually jump out out you. You just need patience as the targets were spaced out everywhere. So that sets the scene....

Running full tones, dues fast, no disc, i hit the nail beds. Busy but picked a brass or copper thimble, within five minutes.
Then nothing else....

I moved on to the one area, that had produced concentrated targets. A patch with some small iron maybe 100x30 feet. This spot produced all the buttons and hopefully i missed one. My guess, it was a close line area.

I decided to try some different settings here. Stock Dues fast, with three tone. I was not surprised when nothing showed up a good hour or so in. I did hit it hard with the at pro stock coil and the 5x8. Then i had a signal jump at me. It was two very clean, medium/quiet volume, high tones. Almost like two pennies at depth were side by side, but not squeeking. Good clean tones. roughly the width of the coil apart. It was strange as seperating them seemed just odd. I still can't exactly remember that unfortunately. I raised the coil up slowly, while swinging. The two signals turned into one normal sounding, good deep coin squeak. I pin pointed this way and dug a plug. The normal 5" down there it was. A 1820's, harp half penny. In the most perfect vertical position, stuck to the edge of the hole! I was to say the least impressed!

So now i am wondering about the double beep. I'm almost thinking the vertical position made it almost invisible to the center of the coil. Yet seeing the target as it entered and exited the electro magnet field.

Either way an awsome learning hunt, i needed to share. Sorry for no pic and so long. On a phone...
 

I have seen objects like pressed bottlecaps give an out of center response, especially if almost vertically in ground. Maybe has to do with the way the signal reflections arrive.
 

The double signal is where the detector "sees" the coin from both sides. You will get a beep going one way and then another immediate beep going the second way. As the coin moves more where it is flat with the ground it will only signal in one direction and then as it is perpendicular with the ground it will signal as a coin usually does.
 

The double signal is where the detector "sees" the coin from both sides. You will get a beep going one way and then another immediate beep going the second way. As the coin moves more where it is flat with the ground it will only signal in one direction and then as it is perpendicular with the ground it will signal as a coin usually does.

Good post!

Also did you make positive there was not another target above the one you found? Could have been two targets.
 

Excellent explanation point man!
Yes, only one target was in the area dug.
 

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