Here the CTX with the 17" coil hits a nickel at 12" with no problem. The Garrett AT Pro with the NEL coil also shown here going deep.
Low conductors like Nickels are good to use in this test since we want those "low tone gold" signals.....
[video]http://youtu.be/XcR0O7TEZ2E[/video]
Low conductors like Nickels are good to use in this test since we want those "low tone gold" signals.....
[video]http://youtu.be/XcR0O7TEZ2E[/video]