Jim in Idaho

Clark is a good man. I have personally benefited from his generosity. Not at all surprised to see him protecting that bird. I'm also sure a whole bunch of us guys would do the same. Jim

Update - I'd take $450 + shipping, or $525 shipped, with the aluminum case I made.

Yup, Chuck, I hated that coil. IMHO, the Miner John 8 x 12 is lighter, more maneuverable, and more sensitive. Jim

I've found, in my long life, that a little hostility is often needed. I remember, long ago, I told my quiet, nice partner, that I was going to turn over a new leaf, and be a really nice guy for our entire busy season of construction work. Near the end of the season we had a problem that nobody would solve, so I lost it and reverted back. That fixed it. My partner walked up, stuck out his hand, and said "Welcome back", with a grin. That ended that experiment....LOL Jim

This is now the world we live in. The old world of people being professional at their jobs, regardless of the level of that job, are now gone. ie. Boeing, Ford, Dodge, and others. Better get used to it. Jim

I was in the Air Force 4 years after the quake. I remember a buddy from Anchorage that had an album full of pics of the quake damage. Can't even remember his name now. I remember being astounded at the damage. Jim

Ya know, the Navy did a whole bunch of research at their facility on Priest Lake here in Idaho. They were researching ultra-low frequency communications for talking to the world-wide fleet of submarines. Would be interesting to know what freq they ended up using, assuming you didn't go to jail for espionage...LOL. I thought your idea was pretty good. If I remember right it was useful for more than precious metals, too....like rare earth minerals. I'm still getting into the data-logging with the two box deep detectors, though haven't been doing anything with it since winter set in. Start of March we had bare ground, and then the blizzard hit and we had 15" of snow, and single digit temps, and that took care of spring for awhile. Snow's gone now, but we got 3/4" in one squall this morning. I think I'm still looking at a month before I can do much. Looking forward to at least one trip to your area this summer. Jim

Yeah...after watching the entire video, I'm starting to understand how this works. Mainly, it's a ton of calculations to arrive at a conclusion. I can also see why it's now becoming useful. Wasn't that long ago we didn't have enough computing power and speed to do the calculations. It' sort of a play on the old "give typewriters to a large enough group of monkeys and eventually they'll produce the works of Shakespeare"....LOL, but with hi-tech enhancements. Hoping all is well with you, Jason. I imagine, like me, you're itching to get out prospecting again. Jim

Still seems to me, Jason, you'd have to know the strength of each random noise source, relative to each other in order to make it work. GPS works because the initial impulses are at a set timing, so distance can be calculated at the receiver, and compared to other delays to calculate angle, and thus location. I'm still not confident that random noise would be much use, other than having the random noise from a known source location. Even then you'd have to know the comparative distance from each sensor in order to determine the earth effects. Maybe I'm just slow....LOL Jim

Looks like pieces of a citrine quartz nodule. Jim

I can see how that would work, assuming lots of sensors over a wide area. But seems to me it would lack much resolution. It's interesting, but probably has a long way to go. Might be pretty good for really large deposits. Jim

I'm curious how they can use random noise, at unkown distances, to determine anything. I can see how known power going into the ground, at a known point, being used however. I also see how measuring the ambient soil voltage could indicate a conductive ground anomaly. Jim

From From what I've learned on Geotech, the 900 and 1200 are identical as far as circuits go. Both have a regulated power supply at 7.5 volts. The manual says the input voltage is 9v. My 1200 came with a 12v battery pack, but I changed it to 9v also. I was concerned the 12v may have been something the previous owner added. Both of my Discovery units are dual frequency, although I'm not sure if in "trace mode", without the Trace attachment, they still run at 73.5khz, or stay at the 12khz freq. I guess I need to check the power supply output voltage on my 1200 to see if it is a higher voltage than my 900. There's a lot of discussion about the nomenclature on the 800, 808, and with and without Cave mode. There was some legal action between Whites and Discovery over the TM808 with cave. That led to Whites dropping the Cave model. One Whites engineer told me the TM808 with cave was actually the TM800, and was a copy of the Discovery. I assumed Whites already had dropped the 800 nomenclature, but had a few of those models left and rebadged them as the TM808, but with Cave mode. I do know they're somewhat rare, so weren't made in large numbers, as was the later TM808 without Cave, which is, as I understand it, a different circuit. I appreciate the info, in any case. Jim

Thanks, Chuck! I made an ugly, padded, waterproof case for this. The whole thing weighs about 25 lbs, I'm guessing. I'd tale $500, with the case. But, I'd rather trade. I'm going to wait a bit, and see what turns up. I'm really wanting a GB2 in good shape, But also like the Kruzer. I'll see what shows up first.😁 Jim

Good condition Whites TM808 with Cave mode. These are considered better than the TM808 without cave. They're called 808's, but the ones with Cave are actually the 800, which is a copy of the Treasure Finder 900 by Treasure Baron. Want to trade for a Gold Bug 2, or maybe a Gold Kruzer. The only reassom I'm trading is a I came into both a Treasure Baron 900, and 1200, and no longer need the TM808. Jim