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News: Welcome to the Australianelectronicgoldprospectingforum founded in July 2010, an add free totally independent forum with over 70 boards and paid for and managed by the Admin.Total forum Topics: 8,946   Total forum Posts:43,065 Members:719 Total page views:11,023,726 Admin and  forum and domain name owner :marjen at optusnet.com.au. Guests can only see a limited number of boards at present and cannot see any hot links. Guest cannot post and never will be permitted too!Registration of new members must be approved by admin.Anyone known to have any past or present association with Codan/ML or acting on their behalf as a proxy or intermediary  will not have their registration approved. All  original Photos and posts and  original materials displayed on this site are COPYRIGHTED and remain the property of the poster and the  Austalian electronicgoldprospectingforum.com. All messages on this forum express the personal views of the author and should not be interpreted as necessarily being in accord with those of the forum owner and neither the owner of this forum and its domain name nor SMF or the forum software developers or the forum host shall be held responsible for the content of any message. Admin reserves the right to remove any offensive or objectionable posts. No defamatory material or politics/religion or issues of race will be permitted.
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HOT Topics!
The need for big deep gold detectors. Over 14,000 views and 37 pages!!! This forum has brought you the QED("the best value for money Pi on the market"!),now to bring you  better coils!I do NOT receive ANY direct or indirect pecuniary or ANY other benefits from the sale or promotion of the QED.Any such assertions are untrue and defamatory!!
link-http://australianelectronicgoldprospectingforum.com/detector-coils/the-need-for-big-deep-gold-detectors/msg44569/?topicseen#msg44569
Doug is right on  climate change! "HappySAD7000user" and "Inhere"  and "Arizona"and the  village idiot 1halfgram4three are wrong! They are  scientifically illiterate, climate denier easy beats!!!! They are terrified of the truth and too spineless to come here and debate the issue!!!
The changing climate is NOT due to natural variation!
The  enormous body of diverse evidence, the physics and the overwhelming majority of climate scientists publishing in  recognized peer reviewed scientific journals agree that the earth is warming due predominately to  rising atmospheric  levels of anthropogenic C02!

australian electronic gold prospecting forum.com  |  Recent Posts
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 21 
 on: Tuesday April 17 2018 11:02:51 AEST AM 
Started by Doug - Last post by dasenator777
go back throu ararat golds posts there all over the place re qed, i wouldnt take toooooo much notice one bit, he hasnt seemed to master it yet going by some comments. in my opinion.   

 22 
 on: Monday April 16 2018 15:24:25 AEST PM 
Started by Doug - Last post by Doug
GPR has to overcome many potential sources of false alarm due to clutter, which include large stones, animal burrows, cracks in the soil surface, pooled water in surface and sub-surface hollows, tree roots, changes in surface topography and changes in vertical or lateral soil structure!! ie the goldfields!!!!!!!!
doug smile

 23 
 on: Monday April 16 2018 15:11:19 AEST PM 
Started by Huego - Last post by Doug
  
97% consensus on climate change? More like 99.94%, study finds

...In 2017, James Powell published an even larger meta-analysis of 54,195  peer-reviewed papers, finding a 99.94% consensus about human-caused climate change. Again, more recent papers seem to back the idea up even more overwhelmingly....

link-https://www.zmescience.com/science/news-science/climate-change-consensus-07042018/

  

Hard to deny - but the deniers keep trying!  Seems they don't like or trust scientific methods  confused

Do deniers know better?? Most seem to deny causes of warming to protect economies & the status quo like COAL  confused



From the author
"But it is hard to think of a case in the modern era in which scientists have been virtually unanimous and wrong.
The important takeaway is that regardless of whether we like it or not, the science is in: climate change is happening, and it’s happening because of us."
doug smile

 24 
 on: Monday April 16 2018 14:56:32 AEST PM 
Started by Doug - Last post by Doug
Greenland Glaciers Retreating Faster than Any Time in Past 9,500 Years
Over the last century, glaciers in Greenland have been retreating quickly – at a rate at least twice as fast as any other time in the past 9,500 years, according to a new study. The study also provides new evidence for just how sensitive glaciers are to temperature changes, showing that they responded to abrupt and even short-lived cooling and warming in the past that lasted decades to centuries.
“The Kulusuk Lake sediment cores allowed the scientists to track changes in the lake’s two glaciers going back 9,500 years. Before the 20th century, the fastest rate of glacier retreat reflected in the core was about 8,500 years ago, at a time when the Earth’s position relative to the sun resulted in more summer sunlight in the Arctic.
“If we compare the rate that these glaciers have retreated in the last hundred years to the rate that they retreated when they disappeared between 8,000 and 7,000 years ago, we see the rate of retreat in the last 100 years was about twice what it was under this naturally forced disappearance,” D’Andrea said.”
  
link-http://blogs.ei.columbia.edu/2015/12/04/greenland-glaciers-retreating-faster-than-any-time-in-past-9500-years-2/
  
link-http://www.geo.uzh.ch/~mzemp/Docs/Zemp_etal_JoG_2015.pdf
doug smile


 25 
 on: Monday April 16 2018 14:44:50 AEST PM 
Started by Huego - Last post by Huego
97% consensus on climate change? More like 99.94%, study finds

...In 2017, James Powell published an even larger meta-analysis of 54,195  peer-reviewed papers, finding a 99.94% consensus about human-caused climate change. Again, more recent papers seem to back the idea up even more overwhelmingly....

link-https://www.zmescience.com/science/news-science/climate-change-consensus-07042018/

  

Hard to deny - but the deniers keep trying!  Seems they don't like or trust scientific methods  confused

Do deniers know better?? Most seem to deny causes of warming to protect economies & the status quo like COAL  confused


 26 
 on: Monday April 16 2018 13:11:28 AEST PM 
Started by Doug - Last post by Doug
Why GPR is not suitable for  nugget hunting may be summarized as follow: to get the  resolution required to detect  nuggets the GPR requires the use of very high frequencies  and the higher the GPR frequency the more soil attenuation  occurs ie HUGE depth loss  occurs! Its hard to imagine worse soils for a GPR that those in the goldfields!
doug smile

 27 
 on: Monday April 16 2018 12:39:16 AEST PM 
Started by Doug - Last post by Doug
  
I am still amazed that anyone could be taken in by this LRL video!
doug smile

The videos claim that this LRL is a Radar device.Anyone that bothers to read up on GPR and in particular its limitations re resolution vs depth and soil attenuation  will know why this device cannot be radar and is  a scam. Their is plenty on this forum about gpr going back to 2011! Just type GPR into the search bar.
here are some links
  
link-http://www.sic.rma.ac.be/~scheers/UWB%20GPR%20.doc
  
link-http://www.vtvt.ece.vt.edu/research/references/uwb/ranging_mobile_location/development_gpr.pdf
Ground Penetrating Radar Performance in Typical Australian Soils
J.A.Cooke and M.T.Gladwin
"Figures 1 to 4 indicate that moisture content is a critical parameter in both real and imaginary components.Equation 3 was used to determine the radar range at 500MHz for the various soil samples. In all cases dry soil exhibited the largest radar range values,and only 2% moisture was needed to reduce this value by more than half. The radar ranges continued to decrease with added moisture up to the largest measured moisture point."
  
link-http://www.cat.csiro.au/dem/msg/scirev/revradar.pdf
doug smile

 28 
 on: Monday April 16 2018 11:02:36 AEST AM 
Started by Doug - Last post by Doug
More right wing  climate rubbish from Inhere on finders
Inhere the font of all knowledge but master of none  says:”Not always consistent, but about what you would expect from the normal variable weather, that has been going on since the last ice age”
  
Of course as is usual on matters of climate change he is totally wrong yet again!!
When the earth emerged from ice ages the Earth’s average surface temperature warmed about 4°C, but that temperature rise occurred over a period of about 10,000 years.In contrast, humans have caused nearly 1°C warming over the past 150 years and about 0.5 deg since 1980 and we could trigger anywhere from another 1 to 4°C warming over the next 85 years . The rate of warming is up to 50 times faster than when the earth emerged from ice ages!The warming of the past 50 years has been mostly at night, and it has been accompanied by profound stratospheric cooling, and tropospheric warming  both “fingerprints” of an unnatural warming.
 What is being experienced is NOT the  normal variable weather, that has been going on since the last ice age!!
doug smile

 29 
 on: Sunday April 15 2018 20:11:49 AEST PM 
Started by Doug - Last post by Doug
 I am still amazed that anyone could be taken in by this LRL video!
doug smile

 30 
 on: Sunday April 15 2018 20:03:20 AEST PM 
Started by Doug - Last post by Doug
  
  
Magnetometers(used in isolation) are not useful for finding gold nuggets either as a dumb ass admin on another "forum" suggests!!!Dear oh me!!!!!
doug smile


Magnetometers do not respond to non ferrous objects!!!!
doug smile

Most commercially available magnetometers  also lack the resolution to be useful in reducing a  "lot of diggn' time" for the majority of targets encounted in detecting the GF's! To suggest otherwise is just another ill informed dumb ass comment by the resident "forum" village idiot  rolleye 1, you know that one that thinks that you can teach a detector to find more gold!!!!!
doug smile

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