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Tuesday September 17 2019 13:19:28 AEST PM
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QED news
QED on facebook
link-https://www.facebook.com/groups/245308699667153/403446933853328/?comment_id=403472030517485&reply_comment_id=403476793850342&notif_id=1562580344994993&notif_t=group_comment
Interfacion Pty Ltd is pleased to announce that the QED PI Detector has been modified to allow the use of DD (double D) coils. This change involves a simple change to the electronics within the control box.
The firmware has also been upgraded to include a further improved Ground Balance.
All detectors being delivered to new customers from Monday 5th August 2019 will already have the above upgrades included.
As a show of commitment to all QED owners, the hardware modification to allow use of the DD and CC coils will be provided at no cost.
Of course and as per the QED warranty, the firmware update is provided free of charge, except for P&H.
Any QED owner who plans to attend the Laanecoorie Bash is encouraged to bring their detector along and have it upgraded at no cost.
Standard postage and handling arrangements apply to other owners. Send via Australia Post the box (minus batteries) along with a pre-paid, pre-addressed bag/box to:
Interfacion Pty Ltd
PO Box 106R
Redan VIC 3350
Howard Rockey
Director Interfacion Pty Ltd.

australian electronic gold prospecting forum.com  |  Recent Posts
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 1 
 on: Today at 12:51 
Started by Doug - Last post by Doug
Principia-scientific-international is NOT a recognized and credible scientific organization.NONE of its publications are subjected to independent peer review! Even Denier dopes like Inhere MAD could  publish  on it merely by paying the appropriate fee!
doug smile

 2 
 on: Today at 10:24 
Started by Doug - Last post by Doug
Analysis: How well have climate models projected global warming?
Conclusion
Climate models published since 1973 have generally been quite skillful in projecting future warming. While some were too low and some too high, they all show outcomes reasonably close to what has actually occurred, especially when discrepancies between predicted and actual CO2 concentrations and other climate forcings are taken into account.
Models are far from perfect and will continue to be improved over time. They also show a fairly large range of future warming that cannot easily be narrowed using just the changes in climate that we have observed.
Nevertheless, the close match between projected and observed warming since 1970 suggests that estimates of future warming may prove similarly accurate.
  
link-https://www.carbonbrief.org/analysis-how-well-have-climate-models-projected-global-warming

Climate Model Predictions: History versus Observations
  
link-https://www.youtube.com/watch?v=JKP9EXyd1so
doug smile

 3 
 on: Today at 08:38 
Started by Goldman - Last post by Goldman
  
I read some test results, be them in air above the coil, using a 50c coin and a 4500 set in Enhance with an 18" mono = 63cm, 15" Evo = 64cm  & 19" Evo = 65cm and they were all fairly similar.

Therefore I am curious with what size mono coil and settings on the QED would be required to produce a similar result with the 50c coin?

Goldman if possible could you do the same test with your QED.
I’m going out to the Maryborough test site this week so will try it out and let you know

Cheers Goldman

 4 
 on: Today at 01:35 
Started by Goldman - Last post by mylab
I read some test results, be them in air above the coil, using a 50c coin and a 4500 set in Enhance with an 18" mono = 63cm, 15" Evo = 64cm  & 19" Evo = 65cm and they were all fairly similar.

Therefore I am curious with what size mono coil and settings on the QED would be required to produce a similar result with the 50c coin?

Goldman if possible could you do the same test with your QED.

 5 
 on: Yesterday at 12:40 
Started by Huego - Last post by Huego
Moving "Closer to The Truth" ....

This news* (link below) of forest fires in Canada, Siberia, Amazon and recently Australia reminded me of this song.

*   

Closer to The Truth: A song from 1991 by Tony Joe White  (The Swamp Fox).

Powerful lyrics about impacts of Climate Change & Man’s unkind and careless disregard for global life as he overpopulates and makes demands on its limited resources.

….They're taking down the rain forest
Changing it to a room without a view
And the big trees fall like dominoes
And we move closer to the Truth

The eagle watches from the mountain
As the warriors turn into fools
And the dice are thrown on sacred ground
And they move closer to The Truth
.

  

edit: Below is a live performance (Germany 1992) which is excellent IMO. The sentiments expressed (.".we keep leaving scars on Mother Earth, as we move Closer to the Truth"), truths expressed almost 30 yrs ago!

  

 6 
 on: Thursday September 12 2019 11:57:47 AEST AM 
Started by Goldman - Last post by phrunt
Brilliant, thanks Goldman and Howard for the advice. I tested again today in another area and had the same result, I was able to run in Mode 11 with no ground noise when pumping the coil.  I had my GB set at 1 in both locations as I wasn't sure if that even did anything in Mode 11 but I'll take your advice and start at default 150 and work my way down if necessary but I suspect I may get away with it on 1.  I do like this new firmware
  happy face

 7 
 on: Thursday September 12 2019 09:55:19 AEST AM 
Started by Goldman - Last post by Goldman
  
  
ground balancing with the upgrade

1) listen for the tone as you lower the coil to the ground and determine whether it is
* a high (rising) pitch, in which case you’ll need to go down in numbers, or
* a low (falling) pitch, in which case you’ll need to go up in numbers

2. use the AGB to determine which way it wants to go, up or down in numbers

Once you’ve got the direction, then very, very slowly bob the coil whilst depressing the appropriate (up or down) button.

You will notice that it will get quieter and quieter as you approach GB, at the quietest point release the button.

Cheers Goldman

I think I'm confused, in my ground I never get a reaction from the ground when I slowly lower the coil to the ground from 12" or so which means I was never able to follow the youtube GB video.  It stays silent both directions, when I press AGB it does nothing.  I assume this is because the QED is already balanced in my ground, it must be neutral to it.   It's default GB of 150 I can lower to GB 1 and still raise and lower the coil with no ground feedback.  If I go up to 300 I start to get ground feedback going away from the ground.

So my question is, would I be better off running in Mode 11 (beach) and not worrying about ground balancing, or go back to my normal mode 1 and just leave the GB at 150 default or would I gain even better performance lowering the GB right down to 1?   With GB at 1 I did notice it reacted to hotrocks far more so I guess I could raise that number until they calm down.

Prior to the update I had to keep my GB numbers above about 45 or it reacted on the ground but anywhere between 45 and 160 seemed fine.   I just need to work out how to fine tune the GB to get the most out of it I guess.   Lots to learn  smile

This isn't a complaint in any way,I doubt anyone would complain not needing to GB, just trying to work out the best mode to operate in with my soils.

G’day mate,

Well I’ve had a chat with Howard and together we believe that you would be better off running in beach mode given what you have written below. This would be for two main reasons:
1) you do get more depth in beach mode
2) in beach mode you do not have a detection hole, so therefore you will definitely not miss any gold. Not that the chance of missing gold in modes 1-10 is high as the detection hole with the latest upgrades has narrowed from the pre-upgrade model.

in beach mode,
1) all target responses will be rising pitch
2) you can and should still use the MGB to minimise any noise keeping MGB as low as possible. So best to start at MGB=150, then keep reducing until you get unwanted noise, then go up until quiet. If no noise at all, run at MGB=1.

Hope this helps,
Cheers Goldman

 8 
 on: Thursday September 12 2019 04:28:42 AEST AM 
Started by Goldman - Last post by phrunt
  
ground balancing with the upgrade

1) listen for the tone as you lower the coil to the ground and determine whether it is
* a high (rising) pitch, in which case you’ll need to go down in numbers, or
* a low (falling) pitch, in which case you’ll need to go up in numbers

2. use the AGB to determine which way it wants to go, up or down in numbers

Once you’ve got the direction, then very, very slowly bob the coil whilst depressing the appropriate (up or down) button.

You will notice that it will get quieter and quieter as you approach GB, at the quietest point release the button.

Cheers Goldman

I think I'm confused, in my ground I never get a reaction from the ground when I slowly lower the coil to the ground from 12" or so which means I was never able to follow the youtube GB video.  It stays silent both directions, when I press AGB it does nothing.  I assume this is because the QED is already balanced in my ground, it must be neutral to it.   It's default GB of 150 I can lower to GB 1 and still raise and lower the coil with no ground feedback.  If I go up to 300 I start to get ground feedback going away from the ground.

So my question is, would I be better off running in Mode 11 (beach) and not worrying about ground balancing, or go back to my normal mode 1 and just leave the GB at 150 default or would I gain even better performance lowering the GB right down to 1?   With GB at 1 I did notice it reacted to hotrocks far more so I guess I could raise that number until they calm down.

Prior to the update I had to keep my GB numbers above about 45 or it reacted on the ground but anywhere between 45 and 160 seemed fine.   I just need to work out how to fine tune the GB to get the most out of it I guess.   Lots to learn  smile

This isn't a complaint in any way,I doubt anyone would complain not needing to GB, just trying to work out the best mode to operate in with my soils.

 9 
 on: Thursday September 12 2019 04:17:29 AEST AM 
Started by Goldman - Last post by phrunt
The bobbing wasn't to do with ground balancing, I was in mode 11 (beach mode) anyway which I believe has no ground balance, the bobbing was to show no reaction from the ground going up or down, or even hitting the ground in Mode 11 with gain of 10 using the Coiltek Joey 10x5" mono.

The exact same thing in Mode 1, Gain of 10.  If I recall correctly in this location prior to the update I had to keep my GB number above 45 to stay balanced, now I can take the GB number right down to 1 in Mode 1 and remain balanced.  It seems this new update has made me not need to ground balance at all anymore as I'm always balanced anyway.  I'll try in more locations and see what happens but I like what I see so far.

 10 
 on: Wednesday September 11 2019 21:40:22 AEST PM 
Started by Goldman - Last post by Goldman
Ground noise identification with the latest upgrade

For those with the upgrade, the +/- 4 method to determine whether your signal is a ground noise is still a valid process, HOWEVER, now instead of +/- 4, you really need to move the MGB about 20 either way. It’s the same principle with which way to go (up or down) as before.

In my testing, a ground noise signal will start to diminish after about 12 clicks, however will definitely diminish after 20 clicks, I now sometimes go +/- 30 just to be sure.

Cheers Goldman

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