The weather in Michigan is finally good enough to do some metal detecting.The park I searched has a lot of thrash,and a lot of frozen ground. I didn't find any silver coins ,but found four wheat pennies,a large silver ring,and a lot of the coins in the sixties.My problem is out of the twenty coins I've found there is no nickles. I'm still learning how to use this detector.Is there anyway to increase my ability to find nickles? I found coins at depths of 6-7 inches.This detector does work much better in the field than expected.The Id Excel doesn't air test that well when compared to other detectors,and probably lost some sales. Ron