Today I had a chance to see what kind of depth the AT is capable of achieving. We all know what this detector can do when you add rusty iron to the equation, but most of the places I hunt are so trashy that getting a clean signal on an older coin is next to impossible. The place I hunted today is not too trashy and it seems that the wheats and silver coins are in the 6 to 8 inch deep range. While detecting this am I finally got the deep, faint signal that should be a decent coin. This signal was a faint and I mean faint, high blip. It repeated when I checked from another angle. Now for the strange. It was so faint, that I did not get any vdi number on the screen. NONE! The depth gauge was pegged. When I dug the plug the first thing I found with my pro pointer was a very tiney piece of gum wrapper. I have found small targets will show deep and will sound faint. Out of habit, I rescanned the hole and got a somewhat louder low 80's signal. I carefully started digging an inch or so of dirt at a time so I could accurately check how deep the target was. Finally I touched the signal and my pro pointer was vibrating strongly. Using my fingers, I pried a coin out at an honest 10 inches. I measured it with my Lesche digger. Nothing special, but it was 1924 wheat penny. It is scary to think that a 600 dollar detector is capable of this kind of depth and separation. I have recommended this detector to several friends of mine around where I live. I hope that they have a learning curve of a couple of years, if not, I will have to find some new hunting spots. R.L.
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Raw Depth Of AT Pro
- Thread starter RLOH
- Start date
quarterhorse
New member
RLOH said:
Way to Go on the 1924 Wheatie they're pretty
special to me, I love to find them ......the 
AT Pro/Gold platform is capable to detect metal deeper than the VDI meter is capable of giving a visual display number, as you found out..... that part is perfectly normal
it's discussed in the manual. When in doubt.... yank em out!! 
HH
QH
It is a very deep detector. Once learned properly, it is full of surprises. Congrats on that Wheat.....hope many more deepies come your way! 
TerraDigger
New member
Good call on digging the signal. When you get the ever so slight 'good' audio and no VDI reading.......that a definite indication of a super deep coin/good target. Congrats!!