Hi everybody. I have been metal detecting for about four months now. I am using a Garrett 2500 GTI,strictly detecting for coins. I have gotten quite good at finding new clad coins; howevwer, am not having much luck at finding old coins. I mostly detect in area parks and forest preserves that are quite old. I have been detecting in factory discriminate coins, and just recently been bumping the sensitivity up or down .5 to experiment. I have learned to slow down, swing from various angles, and detect in more out of the way areas like under trees, steep slopes, etc.to try areas that may not have been heavily detected. As far as old coins I have found approx. 25 wheat pennies,and 2 1941 mercury dimes.One mercury dime was in my backyard at approx. 5 inches, and the other in a forest preserve dating back to the 1800's. The dime in my yard was easy to find because of very little trash, but the one in the park much more difficult because of tons of trash! I found it on an erroding slope, next to stairs, under a bush at 3 inches. I was told by a couple of seasoned detectorists that years ago they found lots of barber coins in this forest preserve. I have just purchased a 4.5 inch scorcher coil from Garrett to try in the heavy trash. I was wondering if anyone is using this coil, any recommended way to set my unit to use this coil besides no imaging, their comments on it, and what kind of depth I can expect under ideal conditions. Also I noticed if I hold the unit up a bit and wiggle it, it starts ringing targets, any idea if this is normal? Any suggestions that could make me better at this great hobby would be greatly appreciated.