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Went back to the same location we've been hunting for many years. My buddy had the Manticore and I took the Equinox and the TDI SL with the Minelab Commander 11" mono coil. I had buried (in a clean area with no sign of either trash or iron) a dime at exactly 4" several weeks ago when I was using a borrowed Tarsacci. The Tarsacci would only occasionally give a non ferrous audio (was crippled by EMI) but the Equinox only gave an iron audio. Took the TDI over the area and it had no problem giving a very nice smooth audio on the 4" dime. Called Fred over with the Manticore and he got nothing. I ask him to try every setting he could but still nothing good. He said the threshold would on occasionally break but no audio. He went through different settings but nothing. He rotated the dime many times then finally he got a response. But he said he had to be rubbing the ground to get an audio of any kind. Raise the coil just off the ground and it was gone. Lower and scrub the ground and he would get a very intermittent scratchy audio. Ask if he dug that type signals and no was his answer. So we dug a large plug about 3" deep and inserted the pin pointer and found the dime at around the 4" mark. He was speechless. I ask him what he thought but no answer and I explained the complex ground matrix of not only orange clay but the coal waste (coke) that will attract to a magnet. I explained that I was very happy with what we had learned. It intrigued him so much he started hunting the rest of the school yard, scrubbing the coil on the ground and ended up finding several pennies ranging from 4-6" deep that until yesterday was a cleaned out area. He even made the statement about buying a GPX, but was only kidding. I did explain the TDI was good in this type ground but the discrimination was almost non existent, I'm forever changing the GB to 5-6 and and rechecking coin signals to see if the tone changes, trying to not dig so many nails. I really had high hopes for the Tarsacci but the EMI all but completely crippled my hopes. Just thought I would share our hunt yesterday.
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