bscofield6 said:
I did dig an 18"+ deep hole once for a tiny piece of iron about the size of a dime. It rang in like a silver dime and I just kept on digging... and digging... and digging.... My guess is that it was originally fairly large but had rusted quite a bit but was still producing a nice halo effect to give off such a good reading at that depth with my Explorer XS with the 15" WOT coil on it.
That WOT coil is super deep, I may have to get me one of those.
They make a 12x10 widescan for the Tejon which should increase the depth well over the stock 9x8 concentric. On a stock Tejon, I'd say a dime-sized piece of iron at 18" is possible if it has a good halo and you run it in all metal mode. However, I usually hunt in Disc mode and ignore the signals that are breaking up or sketchy, but with the Tejon these can be good targets that are right at the edge of the detector's depth limits. I like iron, but it just so happens that the better iron objects don't disc out where I have it set. They give coin-like signals and may stay solid well into the "nickel" or even higher range on the knob. Usually because they are big or have some kind of hole, loop, or otherwise circular aspect to them.
Who knows how many 18"+ deep objects I've left in the ground because they sounded iffy. Maybe that's why I'm not finding a lot of coins at this house site I'm working...
With both the Tejon and the Explorer I have chased some 18+" deep signals and just plain gave up, the thing was still down there whatever it was. I still wonder what was in these holes. Based on my experience I'd say the Explorer and the Tejon are about even on depth. I love both machines, just finding that DD coil frustrating to pinpoint with.