Thanks Alluminati,
I am finding that raising the coil after a target hit, gives me an idea if this is indeed the point, and to your and others point it is pretty close to the center . Unfortunately trash can mislead what I am hearing and seeing and this detector issue new challenge over the others. Also on my last post I was wondering about recording target tones characteristics and should have added ,,,,,,,record and post to the forum or you tube tube,,,, as a training vid.
jim