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Re: ground notch video does it affect depth?
Posted by: calabash digger
Date: July 21, 2017 07:42AM
I copied tnsharpshooters test results for arguments sake it is a freshly buried coin but I'm not gonna chance missing a 300 year old piece of silver because of some chirping but hey that's just me. I talked with another fellow who knows the deus very well and he took it to his test garden and did some testing and he said my findings were correct too HERE are tnsharpshooters results.

More testing of ground notch setting,
I drove 5 miles to a clean cut hay field.
Boy it was hot!
External speakers used on all tests.
Took 2 Deus units one wearing 11" LF coil,mother other 9" LF coil.

The test compromise of a freshly buried 10" deep clad some.
Keep in mind, this freshly buried here could skew actual results seen in the wild.
But they are what they are.

First up was 11" outfitted Deus.
I could acquire a diggable signal using reactivity levels 1, 2, and 2.5.
I didn't try any lower settings did try level 3.
Silencer was left at -1.
Bobbing coil here was 4 ticks in The index meter mineral wise.
A pumping ground balance yielded 74, and this is where I kept it.
Sens was at 93.
Audio report 5
Tx power stayed at 2 for all tests using both detectors.

What did I witness.
Even using 18khZ yielded a dig me signal.
Applying ground notch affected quality of signal.
When I would get to 80, signal all but gone.
Level of 85-90, a user had better be on their game to decipher.

Tried freqs 8kh and 12khz.
Using 12khz reactivity 1 silencer -1 sens 93, turned audio report up to 7.
IMO this was the best reportable signal (remember only used to power level 2).

So Imswept this dime a bunch a listening.
Then started applying ground notch.
Again signal,would become increasingly compromised.
Signal quality would,deteriorate and signal (tone) duration would become shorter.
Again approaching levels 80 ground notch, signal gone. Would never know dime was there period.

Now to the 9" inch.
Basically the same as above, but reactivity 2.0 or 1 a necessity to acquire signal.

Now, it begs a question here.
When we talk about depth, how does signal quality and duration play here.
I could make a case the ground notch didn't affect as much if we are talking about any signal really.
But if we are talking about a better quality signal, a more diggable signal when sweeping in the wild, then it is safe to say, don't apply ground notch when looking for deeper targets.

Now, is it possible a deep target could be located using ground notch vs without,,due to maybe Deus running quieter, a little less sparky?
I say yes.
Using ground notch takes all of some of the smoothness out of the signal,hence user may think iron or nail when heard.

But IMO based on my test,,,in my area soil wise, and assuming there is weight assigned here ( remember this was deemed freshly buried) target, I Won't be using any ground notch in the future.
I in the past haven't anyway.

Now if a person is detecting in areas where there are it seems more hot rocks, maybe ground notch will help.
I don't think my areas pose this problem for me

Edited 1 time(s). Last edit at 07/21/2017 07:44AM by calabash digger.

Re: ground notch video does it affect depth?
Posted by: calabash digger
Date: July 21, 2017 02:25PM
did another video on ground notch using a gold earing will have it up tonight or tomorrow.

If Ground Notch affects depth, why use it?N/T
Posted by: Tony N (Michigan)
Date: July 22, 2017 09:34AM

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Less noise and chatterN/T
Posted by: Andy Sabisch
Date: July 22, 2017 09:51AM

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Andy, have you tried V3.2 and V4.X yet?
Posted by: Tony N (Michigan)
Date: August 05, 2017 06:20AM
Andy wrote: "I plan on going out when it is not as hot as it is now with a V3.2 and a V4.X unit and check the LF coil on both as well as the two HF coils to see if there an impact."

If so, what did you conclude?

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