coil selection

I have a permission on about 1 acre site that was the location of very heavy CW battle area in Atlanta. These are very rare and hard to come by. I have the Nox 800. Of course I am going to hunt this area very slow. It is also has a very small stream that I will hunt also. which coil would you...

I am using AT Pro and have the stock coil, 5 x 8" coil and Nel Thunder. The old home site is in a wooded area pretty thick with trees but about 2-3 feet between trees. On the initial search which coil should I use. I think I should use the stock and maybe 5 x 8" (if find the site is trashy) and...