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This Weeks Garrett Tip (From Garrett Website)

John-Edmonton

Moderator
Staff member
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A tip to go along with this tip. Due to the configuration of the signal pattern of a concentric coil at peak depth, even when you overlap 50% you'll still miss a lot of real estate 8-9 inches down where your signal is only covering an area the size of a quarter.

Remember that when you're watching that eight inch coil swinging back and forth in front of you and thinking you are covering an area that size. On the surface you are but at depth it's a different story.

Bill
 
Good information. I guess that is why a "hunted out site" still produces coins. Looks like I have some RE:detecting: to do.
 
I've found a lot of goodies in those hunted out sites. The only way to hunt a site out is to scrape every square inch of soil off down to a given depth and then sift every square inch of that soil.

If you have hunted sites using high sensitivity, go back over them with low sensitivity. You might be surprised.

Bill
 
good tip. I do very wide sweeps but i always keep the coil flush to the soil. I keep the motion fluid but not fast and i only take a half step every swing. I tire after 3 hours. its alot more exercise. ALot of guys i go with pick up there coil at the edges of there swing. Or if they do keep it flush there doing very short swings. I can cover an area pretty quickly yet thouroughly. If i get a older coin or two in the same area, then ill slow it down even more and grid it with short swings to find the hard stuff.. I really should learn with my left hand but its just so awkward.
 
Why would low sensitivity help? I was thinking that could be a good technique in a really trashy area that might have older coins mixed in or underneath. Could that be true and in what situations do you think low sens would help?
 
High sensitivity masks a lot of good targets. You have to remember that when you crank your sensitivity up you are not only making your coil sensitive to the target you hope to find but also sensitive to everything else in the ground including mineralization.

Bill
 
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