something i noticed

[EDDE]

maybe its just me or my lack of noticing it before
when i run my machine at a high disc 8(silver copper area)
i get more falsing from rusty nails
but when i run it in the tab rang (disc 4)
i get less falsing
for instance when i found 1 of 2 silver Rosie's over Christmas
i got a sweet repeatable tone tone dug it
out popped a nail in the bottom of the plug(about 7-8 inch's down)
pulled the nail checked the plug
bang silver Rosie
perhaps a good example of target separation with a DD coil
what the poop on this guys and gals

 

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[Farmercal]

I use very low discrimination but still get fooled by some rusted metal. Must just be the nature of the beast.

 

[seas1to2]

when Iron rust it is no longer iron, its an oxide of iron with totally diffrent properties

 

[jeff of pa]

My Sovereign Does the same.

If I run it with Disc turned all the way down, I get less
falsing from Iron then when I get tired & turn it all the way up.