I have reason to believe that the Gold Gun is an excellent--and, a workable Receiver, if one can simply get the proper transmitter interfaced with it. As a Stand-Alone, it is of little if any use at all. Before I burned something on the circuit board, I got a reading of 850 mVolts, at just under one mile distance (0.82). It's a known gold mine, owned by a friend, in NE Washington State. It's a complex ore type lode. I got another good reading with my now defunct Gold Gun Al 707--that I have yet to check out, with with my White's Sierra Madre--with 25' or 15' Karbowski coil. I really love that setup. Also have the White's Pulse Scan TDI, with 16' Nugget Finder coil.
While I've had great success with a swivel rod and my transmitters--I have not been content to leave "well enough alone". With my Architraun System, I have been able to get very consistent audible / metered signals, on targets the size of a jewelry box, at three hundred feet. It is all well in the realm of known and established physics. More than that, I do not care to say. If it were broadly known--it would totally revolutionize metal detection systems, forever! It's a cat that could never be put back into the proverbial bag.
I've also learned how to take frequency readings from Google Earth Images. I have named that the Eagletraun System. This too, has proven to be quit successful for me. I actually pinpointed six dore' bars, in Texas, while I was in Central Washington. And, there is much more to that story, that will have to be put on hold, until I can work out an agreement, with the land owner, with respect to the main deposit--which I also pinpointed, with the Eagletraun, from a distance of aprox 2k miles.
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