BarnacleBill
New member
I headed for a river. I have never been to this beach before, but had read up on the history of it's location, which had an old bridge over it that dated from 1850. Now the ground is frozen, so I knew I was going to be restricted to working the river bed. When I arrived I could see the still existing granite footings on one side of the river, but I was realistic about my chances of finding older coins.
I had the HF coil on the X70 and the sand GB'd at around 10 to 15 throughout the hunt, however there was a good deal of gravel which was really hot. Using AM would be fruitless in those areas because of a constant stream of -8's and low tones. I turned up the threshold for giggles, and sure enough constant nulling over the gravel areas.
After I had found more clad than I like, I decided to do a little experimenting. I notched out everything but 0 zero thru 32, turned threshold on, and then began covering a wide area. Going from areas with targets in sandy locations, thru gravel filled areas where there were no targets. As I went I would switch to AM mode to better gauge what the threshold was trying to convey.
So in this place with the machine set up the way it was, the threshold would:
1. Null over iron.
2. Null over the upper conductivity notched out targets.
3. Null over hot gravel.
I ended up with nulitis.
Probably my favorite change from the X50, is that the pinpoint will now ID in real time. So you can center up on a target and get the ID easily, no having to switch back to hunt mode.
The oldest coins found were two Jeffs '61 & '64. Also considering that the river changes with every flood, I had a mildly amusing find. Someone had a necklace with small cylindrical pieces of silver that a string passed through, break on them. I found one piece, and then minutes later, another piece about 30ft downstream. In a lake that's no big deal, but in a river that's pretty unusual.
HH
BarnacleBill
I had the HF coil on the X70 and the sand GB'd at around 10 to 15 throughout the hunt, however there was a good deal of gravel which was really hot. Using AM would be fruitless in those areas because of a constant stream of -8's and low tones. I turned up the threshold for giggles, and sure enough constant nulling over the gravel areas.
After I had found more clad than I like, I decided to do a little experimenting. I notched out everything but 0 zero thru 32, turned threshold on, and then began covering a wide area. Going from areas with targets in sandy locations, thru gravel filled areas where there were no targets. As I went I would switch to AM mode to better gauge what the threshold was trying to convey.
So in this place with the machine set up the way it was, the threshold would:
1. Null over iron.
2. Null over the upper conductivity notched out targets.
3. Null over hot gravel.
I ended up with nulitis.
Probably my favorite change from the X50, is that the pinpoint will now ID in real time. So you can center up on a target and get the ID easily, no having to switch back to hunt mode.
The oldest coins found were two Jeffs '61 & '64. Also considering that the river changes with every flood, I had a mildly amusing find. Someone had a necklace with small cylindrical pieces of silver that a string passed through, break on them. I found one piece, and then minutes later, another piece about 30ft downstream. In a lake that's no big deal, but in a river that's pretty unusual.
HH
BarnacleBill