result
This is the results of the video, also yes in moist soil, sand, i got a extra 1 maybe 2 inches on a tiny silver coin other day. so soil will make a difference.
AT Gold in
all metal mode
5x8 coil, a 1 inch in size coin is picked up at 12 inches with ease, faint out to 13 to 14 inches, need good hearing, headphones etc at 14 inches to hear a faint sound change,
in disc 1
5x8 coil you hit a max of 8 inches and no sound after that on same coin
all metal mode
11 inch coil, 12 inch good signal, signal still easy to hear at 13 inch, getting a bit hit and miss around 14 to 15 inches, tried a few coins copper to 14, silver to 15 inch if large 12 to 13 if small in size
disc 1
11 inch coil, 9 inch good signal, gone by 10 inch unless a big coin then you get 11 inch faint.
AT Pro in
zero disc, standard mode
11inch coil, a 1 inch in size coin is picked up at 10 inches loud, a bit hit and miss at 11 inches
zero disc, pro mode
11inch coil, a good sound at 9 inch, faint sound at 11, so a bit hit and miss at 12