Earth fields
Steve,
There is enough natural radiation that you might be able to detect smaller metal objects if you went to some of the higher frequencies which is something I'd like to try.
Theseus,I'd really like to know about my reputation that precedes me. Having my phone number,address,and birthdate are easily gotten off the net so I don't feel threatened or intimidated by sociopathic behavior.
I would like to hear what you feel what be a good circuit for prospecting.
What about using the abundance of background radiation from .001hz up to gamma rays?
Randy
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