Re: Re: Deep? airtest vs. in the dirt

Interesting thoughts there. I air test mostly to check meter readings but in doing also notice distance from coil to check sensitivity,  Sensitivity used depends on what type of area I am hunting so I get a general idea how deep I am looking.  I do think there is a certain kind of conductivity involved when a coin has been buried for a time "HALO" some call it. This shows when you disturb the dirt and the signal seems to disappear.Thin dimes seem to be good at this :D