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Round HF 9" coil hunt(s) w/pic and commentary.
Posted by: squirrel1
Date: January 02, 2018 08:20AM
29 Dec 2017

A 2 hour and 45 minute hunt in my detector proving ground s site.
Temp a warm 37 F.
Ground conditions wet not frozen.
Minerlization index meter showing 7 dots- checking in multiple spots over clean ground.
This field is fertilized once every spring.
No head to hea done with any other detectors.

Settings today
Sens 93
Freq 28.8khz
Reactivity 3
Silencer -1
Audio report 5
Full headphones vol at 6
Used both manual and auto tacking
Ground phase hung around 71
Full tones level 3 disc

I am really liking this particular coil for the Deus.
A super good relic Hunter, both open field and in polluted sites.

Today was more open field hunt.
This area I have put loads of heat on previously using fbs and Deus using 9" and 11" LF coils.

The elliptical HF coil been in here too, but limited time.

Absolutely stunning to see how much nonferrous was still left (not to mean some don't still exist).

I think I have found my best settings as far as disc running this coil in most sites.

Disc setting is key IMO.
And for me it's level 3 setting using 28.8khz.

Now, I am not inferring here I would only hunt a site using this detector and or coil or this disc level solely and deem a site depleted.

Why this disc level setting?
What does it do for the mighty Deus platform?

As good as the .Deus is, it suffers from masking just like all other Vlf detectors.
But the Deus and this 9" HF coil is doing something special here, and this disc level really exposes.

What is this exactly?
Running this disc level, a user can really depend on shape of signal, put far less stock in actual pitch of signals.

If a person depends on the pitch of signal, you'll be fooled.
How do I know this? Guess

If a user gets no spitting, or doesn't get 2 signals close together using this disc = put on the brakes.
Just study the signature of the signal disregarding tone for the most part.

The pic below, all nonferrous but the bigger on the left.
This was the only ferrous target dug today.
This site is real old, has big relic iron, nails, etc.
But this portion of site not deemed carpet of nails.

This disc level setting turns Deus into exceptional bird dog.

Deepest target dug today approx 8" the bent flat button in pic.
And I exhumed some iron digging it, thinking I had been fooled only to stand up resweep and bingo.

This coil running 28.8 khz loves lead. All kinds except round to near perfectly round.
Loves brass too.
A few of the finds today buttons.

Next here, based on what I am seeing upon target retrieval and even sweeping targets with dirt took off of but still in the hole, a detectorist takes this detector with coil setup to a plowed field- you may lose out on some nice finds.

This coil does NOT like disturbed dirt.
Will hear iron tone (pitch wise) many times when sweeping plugs.
Plugs that seem to be not contaminated with ferrous.
But this masking may be caused by micro particles of ferrous, even the detector won't pick upand give tonal indication to user.

I know some folks here bought the elliptical HF coil vs the rounded coil.
I fortunately have both HF coils.
Like both, and neither is going anywhere anytime soon.

But IMO the round does have some advantages over the elliptical and it's not exactly what some may be thinking here as far as the smaller elliptical sniffing things out of ferrous.

A very good nonferrous to ferrous ratio today.
Impressive.
And how many of the nonferrous finds found today provided more textbook signals(all things considered)?? Only 4.
Think about that.
And is this why I didn't find using LF coils?? Previously??

And to think, the patch I was in today, was exactly the patch where in this area I started detecting using a White's V3i. And found only 1 flat button. But remember I Was big time green horn. I think I have advanced past that stage now. How far I don't really know.

Cheers
Forgot to say, if a user pulls the pinpoint, better watch out. Many of these finds today gave broad pinpoint signals, and tonally sounded like ferrous- hence a person can get fooled quick


30Dec 2017
Back to the same site as yesterday.
A 2 hour and 15 minutes hunt.
Temp 34F
Ground wet not frozen

Settings used to find targets today
Sens 93
Freq 28.8 khz
Reactivty 3
Silencer -1
Audio report 5
Headphone module volume set to 6 with full headphones worn.
Disc level 3 full tones
Manual and auto ground tracking used with ground phase running 71 most of the time
6 dots in the minerlization index meter when coil bobbed over clean ground.
Area hunted today not deemed carpet of nails scenario.

All targets located with Reactivty level 3.
But I decided to play a game of sorts and check all suspect targets using Reactivty 2.5 after being located.

The signals on all targets with reactvity 2.5 (silencer -1), every single suspect target, audio degraded, either tonally or by shape of tone provided.

Could I have found any of these targets using Reactivty 2.5 level?
Likely, but only a few of them.
On other thing of note, using Reactivty level 2.5 most targets,,,coil position sensitive to acquire better signal. Level 3 setting allow for far more out of ideal position and still render better signal overal.

Now, I did try and probe around using mi6 pointer, as well as sweep Deus coil, and use pinpoint to try and see the why behind Reactivty 3 giving better signal.

Naturally even by doing this, would be still considered speculation on my part.

But I will my share my speculation here.

One target smaller, did have a nail head 3-4" below depth plane of nonferrous target.

Most of the nonferrous finds today all had broader pinpoints with them.
But a wavering pinpoint is noticed most times if nonferrous is recovered. Still though not something I would put too much stock in for dig/no dig decsion.

It seems to me this Reactivty setting of 3 would help vs Reactivty setting 2.5 on smaller targets, or bigger targets with masking going on be it above, adjacent or below the on ferrous find.

Notice Inwas running sens level 93.
Could a person run higher and make all the finds I did today.
I really don't think so.
Why?

The round HF coil is quieter running vs 9" LF coil, but you pump up the sens 95+, IMO user will miss finds.
I really pushed the Deus today, still got little iron.
All objects in pic nonferrous but the nail on the left and the object directly below it.

Quite a few of these finds produced extremely low vol hits, and scratchy, but signal was repeatable and clean on the edges.
The beaver tail was a good 8" down and longways turned up on edge-notice the end is curled somewhat.
I recover a small price of ferrous while recovering, thinking I was fooled,,but was successful.

Now after my hunt today, I looked back and noticed.
I discovered the majority of my finds in a rather small area for such a big field.
Meaning I won't say I disn't miss any one of these finds previously using even Deus and LF coils or other detector models, but I recovered enough nonferrous from various closer located spots,,I think I can say the round HF coil on Deus is doing something the others aren't.

Reactivty setting
Some here may be thinking speed is all it is or affects.
IMO it does, but there is more to it than that.
Seems it allows Deus to synthesize signal better on smaller targets. Gives a better look and can help drive audio or keep audio of of the iron range moreso.

Real old sites are deserving of this detector and coil setup.
I was very impressed again today.

How long would it take me to purge all detectable nonferrous just in the one field of a farm that has a total of 75 acres of fields?
Who knows.
Remember I have been roaming around in this field I was in today (14acres btw) for the last 6 years on and off, mostly on.
This by doing what I have has really showed me some interesting things when it comes to masking and separation.

But if anyone tells me all their sites are hunted out of all nonferrous- be hard for me to believe.

This is it for me detecting wise for 2017.
Will have to wait for this seems slightly neutered polar vortex to come and go and see if weather permits detecting.

2017 was good to me.
Learned a lot of things, got to test the Nokta Impact and use some other new to me equipment.

Happy New Year everyone.





Edited 2 time(s). Last edit at 01/02/2018 08:40AM by squirrel1.


Re: Round HF 9" coil hunt(s) w/pic and commentary.
Posted by: John (Australia)
Date: January 02, 2018 05:21PM
Great report Squirrel, I am running a program very similar to yours, mine has Sens 94 and reactivity 2.5 but I will be trying out your suggestions. Which of the stock programs is your's based on.

John

Re: Round HF 9" coil hunt(s) w/pic and commentary.
Posted by: squirrel1
Date: January 02, 2018 05:23PM
Quote
John (Australia)
Great report Squirrel, I am running a program very similar to yours, mine has Sens 94 and reactivity 2.5 but I will be trying out your suggestions. Which of the stock programs is your's based on.

John

I am sorry should have stated.
The hot program.

Re: Round HF 9" coil hunt(s) w/pic and commentary.
Posted by: Flintstone
Date: January 02, 2018 05:31PM
Have you guys just order the HF coils, I think you already had your Deus right? When you order the HF coils do you get a new manual for the V4 program ? I think it is about the same but don't know. Thanks flintstone

Re: Round HF 9" coil hunt(s) w/pic and commentary.
Posted by: John (Australia)
Date: January 02, 2018 05:42PM
Yes I already had my Deus, there is a new manual which is online see this post http://www.findmall.com/read.php?83,2354649 and there is a change in regard to adding the HF coils, coils use their serial number rather than being named.
John

Re: Round HF 9" coil hunt(s) w/pic and commentary.
Posted by: squirrel1
Date: January 02, 2018 07:03PM
Quote
Flintstone
Have you guys just order the HF coils, I think you already had your Deus right? When you order the HF coils do you get a new manual for the V4 program ? I think it is about the same but don't know. Thanks flintstone

I did not get new manual with either of my HF coils.

Re: Round HF 9" coil hunt(s) w/pic and commentary.
Posted by: Flintstone
Date: January 02, 2018 08:13PM
Thanks squirrel.

Re: Round HF 9" coil hunt(s) w/pic and commentary.
Posted by: Flintstone
Date: January 02, 2018 08:14PM
Thanks John

avatar
Re: Round HF 9" coil hunt(s) w/pic and commentary.
Posted by: Old California
Date: January 03, 2018 10:52AM
Nice report David and excellent work getting these targets, especially the button.

I'm a believer with these two HF coils, they've opened up old pounded sites these two coils are a game changer.

My settings are similar to yours with HF 9" coil, full tone user with minor differences. I'll list a few.

Sensitivity 90 to 93 or lower in areas with extremely high levels of iron, or mineralization.

Freq. 54 kHz, I'm finding this kHz is great for my relic sites.

Iron volume 4, use Full tones.

Reactivity 2.5 to 3......its tough to go lower due to some mineralization.

Disc...minus -6.4


So true David, Old sites are deserving of this detector and HF coil setup.

Good post, looking forward to viewing more of your HF coil experiences.

HH, Paul



AKA..Paul (Ca)

Whites GoldMaster BFO
Compass Klodike BFO
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FisherScope TR
Metrotech TR
Detectron TR
Rayscope TR
Mity Mite TR
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Goldak TR
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Teknetics
Roach TR



Edited 1 time(s). Last edit at 01/03/2018 10:54AM by Old California.

Re: Round HF 9" coil hunt(s) w/pic and commentary.
Posted by: squirrel1
Date: January 03, 2018 06:40PM
Thanks Paul.
I have been having so much fun using 28.8khz I haven't used the 54khz band very much.

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