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Thread: Ground Penetrating Radar

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  1. #1
    us
    Mar 2005
    Chicago
    DFX
    21

    Ground Penetrating Radar

    What if you were to attach some type of ground penetrating radar to the under carriage of a small aircraft, and fly over an area of interest such as an area of mines, caves, etc. Then identify and eliminate targets already known would this type of radar work for finding new mines and or caves? I know I have read about treasure hunters using this over water but with magnetometer's strapped under an airplane or running behind a boat but what about land! just a theory I was curious about. can others elaborate on this topic that know more about different types of radar.

  2. #2
    us
    finder of the gold coin

    Jan 2005
    LOU-EVIL KY
    white's DFX
    599
    5 times

    Re: Ground Penetrating Radar

    diamond don't know if that would work,but if you go to the top of the page and click on
    accurate locator's you may find the answer your looking for HH.

    Mark

  3. #3
    us
    Mar 2005
    Chicago
    DFX
    21

    Re: Ground Penetrating Radar

    Thanks, It doesn't sound to far fetched does it?

  4. #4

    Feb 2004
    468
    12 times

    Re: Ground Penetrating Radar

    I do not think the current GPR will be able to do what you need from the air.I cannot speak for other models,but mine requires very close proximity to the ground. Also It does not work for me if I scan too fast. Please note,I have nether the brains or the intelect to answer your questions. I have a geologist interpret the signals. Unlike a detector you don't pop it out of the box and go, you have to train yourself or(what I do)pay an expert to interpret data. My expert required considerable time to learn my unit as I bought it used and we had to try to create the conditions to test the unit. I will not be able to use this unit, until modifications can be done.

    Ericwt

    I am looking for Pandora's Box. I have got to see what is inside.

    Proud to be Rogue.

    Expedition Central America: T minus 2 months and counting!

    This time with Satellite Internet connection!

  5. #5
    Donna 2

    Re: Ground Penetrating Radar

    This is a response for the person who recommended Accurate Locators? -? PLEASE FOR THE PROTECTION OF YOUR OWN WALLET, MAKE ACCURATE LOCATORS COME OUT TO YOUR SITE AND DEMONSTRATE ANYTHING THEY SELL AND BETTER YET BUY FROM THEM ONLY AFTER ONE OF THEIR PRODUCTS PUTS THE ACTUAL TREASURE IN YOUR HAND.

    Someone who has been bitten by them.

  6. #6
    Kentucky Kache

    Re: Ground Penetrating Radar

    Does anyone know a brand that does work?

  7. #7
    us
    Apr 2004
    Tesoro Sand Shark, Homebuilt pulse loop
    2,690
    1278 times
    Shipwrecks

    Re: Ground Penetrating Radar

    If you'd like a poor man's gpr, look at Tim's website. Even though many are skeptical of his LRLs, I have personally seen his arc geo logger and it works well. For the amateur thunter, it's worth it. I get no money for recommending it Type "arc geo logger" in a search engine and you should be able to find out all about it.

  8. #8

    Mar 2005
    Greece
    18

    Re: Ground Penetrating Radar

    Quote Originally Posted by jbot
    Does anyone know a brand that does work?
    The true GPR's are

    GSSI : http://www.geophysical.com/products.htm
    ZOND-12C : http://www.omnitron.net/radar/0z12_1.htm
    MPR-50 : http://www.giscogeo.com/pages/gprsw.html
    GeoRadar : http://www.georadar.com/
    Pulse EKKO : http://www.sensoft.on.ca/
    RAMAC GPR : http://www.malags.se/

  9. #9

    Mar 2005
    Greece
    18

    Re: Ground Penetrating Radar

    Quote Originally Posted by jeff davis
    This is the true GPR site: www.kellycodetectors.com/gpl/ground.htm
    Sorry but it is not GPR but GPL on Kellyco site .
    GRP = Ground Penetrating Radar
    GPL = Ground Penetrating Locators

  10. #10

    Feb 2004
    468
    12 times

    Re: Ground Penetrating Radar

    I spent money on one as I have said. My conclusions:

    Do not buy a GPR unless you are studying geology or are willing to pay a geologist. This tool is useless unless you know what you are doing. If you are not a geologist or engineer it will take years of on the job trial and error. You can learn how to properly use it if you have 2 semesters of full time studies at a university. You would need a deans approval to do this. But in one year you will no how to use it.

    Also GPR will not work in wet or moist conditions. Max depth is 10-15 feet,if you are lucky.

    Earth Resistivity is where it is at.

    Ericwt
    I am looking for Pandora's Box. I have got to see what is inside.

    Proud to be Rogue.

    Expedition Central America: T minus 2 months and counting!

    This time with Satellite Internet connection!

  11. #11

    Mar 2005
    Greece
    18

    Re: Ground Penetrating Radar

    Quote Originally Posted by diamondstar
    What if you were to attach some type of ground penetrating radar to the under carriage of a small aircraft, and fly over an area of interest such as an area of mines, caves, etc. Then identify and eliminate targets already known would this type of radar work for finding new mines and or caves? I know I have read about treasure hunters using this over water but with magnetometer's strapped under an airplane or running behind a boat but what about land! just a theory I was curious about. can others elaborate on this topic that know more about different types of radar.
    From a plane you can use a GEM-2 from geophex but it is expensive and complicate ...
    here is the link and you can have a look :
    http://www.geophex.com/Product_page/...out%20GEM2.htm
    Good luke !

  12. #12

    May 2003
    USA
    216
    50 times

    Re: Ground Penetrating Radar

    Quote Originally Posted by jeff davis
    If the ground penetrating radar worked we would all buy one and be rich. Or we could chip in with nine other treasure hunters until we could afford one. THEY DO NOT WORK. The ground resistivity meter works. If a metal object is buried within the search area of a ground resistivity meter the speed of the carrier wave is speeded up and the meter will show whether it speeded up or not. They now have a light to show when you have found gold or silver as well as copper or iron. Also wells, caverns and other cavities under the ground slow the current down and that too will register on the meter but no light will be given. Dollar for dollar I would buy the ground resistivity meter instead of the ground penetrating radar. The ground penetrating radar has the right principles but the technology to make it work is not there. I mean if all you had to do is turn it on and see a chest of gold or jewels thirty or seventy feet under the ground EVERYONE WOULD HAVE ONE. The man that makes the ground penetrating radar for accurate locators will tell you yourself that the machine does not work.
    I don't know why you keep stating GPR doesn't work. Of course they work. They just don't draw a picture of a treasure chest at 30feet. You have to be able to interpret the data. Unlike side scan sonar, they don't draw a picture that rivals a photograph.

    Yes resistivity does work but it isn't the end all be all either. The bottom line is you use the tool that works best for the particular situation you have. All tools have their advantages and disadvantages.

    I don't understand your statement about speeding up the carrier wave. All electrons travel at the speed of light. The resistivity units I have seen measure the resistance between 2 probes, nothing to do with carrier waves or the speeding up of carrier waves. Is there something out there working on a new principal?

    Good luck,
    Boattow

  13. #13
    us
    Mar 2003
    Oregon & Texas
    Custom Designs and Prototypes
    1,565
    792 times
    All Types Of Treasure Hunting

    Re: Ground Penetrating Radar

    Quote Originally Posted by boattow
    I don't understand your statement about speeding up the carrier wave.? All electrons travel at the speed of light.? The resistivity units I have seen measure the resistance between 2 probes, nothing to do with carrier waves or the speeding up of carrier waves.? Is there something out there working on a new principal?
    Errr... common misconception, but "electrons" are actually quite slow in circuits. More like a slug. The "effect" of electron movement, occurs at almost the speed of light.

    The term "carrier wave" is an invention of terminology by the guys who make the "poor-man's" resistivity meters, and the notion of a carrier wave speeding up or slowing down is also a fabrication. It is intended to make the buyer think the device is doing something more than what the device is really doing, and that it is somehow $5,000 more complicated than the actual $100 in parts from Radio Shack.

    - Carl
    I believe it, therefore it is true.

  14. #14

    May 2003
    USA
    216
    50 times

    Re: Ground Penetrating Radar

    Quote Originally Posted by Carl-NC
    Quote Originally Posted by boattow
    I don't understand your statement about speeding up the carrier wave.? All electrons travel at the speed of light.? The resistivity units I have seen measure the resistance between 2 probes, nothing to do with carrier waves or the speeding up of carrier waves.? Is there something out there working on a new principal?
    Errr... common misconception, but "electrons" are actually quite slow in circuits. More like a slug. The "effect" of electron movement, occurs at almost the speed of light.

    The term "carrier wave" is an invention of terminology by the guys who make the "poor-man's" resistivity meters, and the notion of a carrier wave speeding up or slowing down is also a fabrication. It is intended to make the buyer think the device is doing something more than what the device is really doing, and that it is somehow $5,000 more complicated than the actual $100 in parts from Radio Shack.

    - Carl
    You're right about the electrons, my bad!

    I would not say that the term carrier wave is an invention of terminology but borrowed terminology. Aren't you a ham radio operator Carl?
    Boattow

  15. #15
    us
    Mar 2003
    Oregon & Texas
    Custom Designs and Prototypes
    1,565
    792 times
    All Types Of Treasure Hunting

    Re: Ground Penetrating Radar

    Quote Originally Posted by boattow
    I would not say that the term carrier wave is an invention of terminology but borrowed terminology.? Aren't you a ham radio operator Carl?
    Not a Ham, but I understand radiowave propagation, and that a modulated signal is known as a carrier wave, because it "carries" the signal of interest. In the case of the PM-RM's, there is no modulation taking place, therefore no carrier wave in the classical sense of RF. But, I agree, I should have said "borrowed", perhaps along with "*******ized".

    - Carl
    I believe it, therefore it is true.

 

 
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