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  1. #16

    Aug 2005
    gemini 3, TM 808
    251
    1 times

    Re: OKM??

    Quote Originally Posted by HiiiQ
    kaloy , SEVEN METERS? You must be really pissed. I've seen people dig 9 meters in granite because a "electroscope"LRL" pointed there...

    definitely. we paid Php50,000 for the scan.
    malabode

  2. #17
    gb
    Nov 2008
    4

    From A real user of the okm gems unit with super sensor

    Hi to all
    I thought that it would be of interest to share my experiences using the okm equipment, like others out there i also wanted to believe the claims made by this company, but would I fork out so much money for something that just did not do what it said?
    for me I was not interested in finding metallic items at depth, my sole concern was the capabilities for finding voids, i was searching for ancient tombs cut into the rock, these can be anything from 1.5meters wide and 2meters in length they are normally found at depths from 1.5meters to 8meters, I purchased the gems unit with the super sensor which was over 2500 just for the sensor, I must admit if you are to buy this equipment it helps to have someone to show you how to use it and to explain what the actual visualizer 3d graphics are showing you in the scanned area, unfortunately for me I had to learn the whole thing with no instruction, and talking about instructions, the manual is pretty useless and does not explain things clear enough, now on to using the gems unit, at first I thought the best thing to do would be to scan an area of 5m x 5m on top of a known tomb (void) and see what the scan would show, well my first attempt was very unclear as voids or cavities are suppose to show up blue unfortunately for me this was not the case as the scan was showing lines of blue here and there and nothing like the clear scan pics you see on the okm website, at first I thought id been scammed, but it was my inexperience of not knowing how to use the graphics program that was causing me to give up with the machine, unless you are prepared to fully understand and use all the features that help you get the correct scan ie interpolation feature which is a must on this unit if you want clear scans.
    what is not so clear, maybe someone on this site can help on this is that all the scans that I have done show maximun depths of up to 5m now this is concerning as the unit is suppose to scan up to depths of 25m I have looked at all of the example scans by okm and not one of them is over 5m why is this? makes you wonder, my experience of using the okm stuff is that it will find voids but you must be able to interpret the readings otherwise its not easy I will enclose a scan of what I was asked to do by a local villager the story goes that before the war the local village people placed all there gold in an iron bucket and buried it in the cellar of this Lady's old house then they all fled , hoping to come back some day to retrieve it unfortunately for the village people 35 years had passed and now with the war over the lady of the house came looking for the place where here house had been ,unfortunately the house had been demolished and now a road was built over it now me being a bit sceptical regarding this story thought ok point me to where you remember the house to be and ill scan that area , well to my surprise I got a shock! as the scan showed the exact spot of the bucket and the depth it shows clearly the hole with the bucket located inside in red check out the scan u
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	bucket mihalis mum.jpg 
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Size:	76.3 KB 
ID:	345030  

  3. #18

    Nov 2004
    70
    3 times

    OKM

    Hi gooch. Have you ever noticed that 100% of the scans with the OKM have at least one red and one blue spot in them? The software is simply amplifying the points with highest and lowest magnetic response. By nature this magnetometer can not ever detect non-ferrous targets. Also by cassbiz's oun admission the depth readings are arbitrary and have no meaning. For the money you payed you get a 2-D picture of surface mineralization. If it's a bucket you want to locate I'd recommend White's TM-600 or TM-808 or Discovery TF-900 Good luck!

  4. #19
    gb
    Nov 2008
    4

    Re: OKM

    hi
    you are correct, most scans do show a red spot, this is what I was trying to explain when I was saying that you really need to understand how to interpret, what the scan is showing you, what the company does not tell potential buyers, is that when you scan an area, they make it look like you don't have to do anything else, it should all be clear, unfortunately this is not the case as you must use interpolation at least 3 times otherwise you cant make out what the graphic is showing, what I must say is that I someone is to buy the okm units in hope of finding non ferrous items then id stay away as its capabilities are ferrous, for what i purchased the gems unit to find voids, holes in the rock, I am pleased with the outcome of doing just that but must admit, you must scan the area three times before digging as the scans are not always consistant.
    I guess its far more easier to see voids (blue area) than for actual treasure, which happen to be small in comparison.
    I still have not received an answer to why all the scans from okm are showing no more than 5m, I may ask cassbiz.
    by the way what experience have you had using there machines and if so what machine do you have?
    thanks for replying
    gooch

  5. #20

    Nov 2004
    70
    3 times

    OKM

    GEMS Gradiometer
    Cat# 1158-3080
    $6,598.00
    Demonstration by Appointment Only!
    Please e-mail one of our GPR specialists to set up an appointment:

    Wikipedia: A gradiometer measures the gradient (numerical rate of change) of a physical quantity, such as a magnetic field or gravity.[1]
    1. Axial gradiometer. Such a device consists of two magnetometers placed in series (i.e. one above the other). The result coming from the device is the difference in magnetic flux at that point in space (a.k.a. first spatial derivative).
    2. Planar gradiometer. Such a device consists of two magnetometers placed next to each other. The result coming from the device is the difference in flux between the two loops.

    OKM claims:
    The Super Sensor is a specialized antenna which offers professional metal detection features. Small metallic targets such as gold nuggets, coins, rings, jewelry and other valuable metallic objects hidden under the ground can be located easily with this antenna. Also it is very suitable to detect larger objects like boxes, bunkers, pipes, chests, gold or silver bars and other metallic masses which are buried deep under the surface or which are difficult to locate with standard GPR antennas.

    Those claims are an insult to my intellect.

  6. #21
    mx
    May 2009
    96
    1 times

    Re: OKM??

    After this inputs about okm, I have to say bye my ilusion to buy a rober c from okm.Will be good wait for another realy good device.

  7. #22

    Aug 2005
    gemini 3, TM 808
    251
    1 times

    Re: OKM??

    I saw one time a 3D representation of a scanned metal box, the shape is distinct (sides are not hazy)and the color(red, like the flesh of a water melon) is also distinct.
    I also saw the scan result of a void area, the color is black and the sides of the void are distinct and very clear.
    The one posted above is an example of a scan result with indistinct shape and color, therefore, should be interpreted 'doubtful'...


    malabode

  8. #23

    Nov 2004
    70
    3 times

    Re: OKM

    I just found out that another friend of mine is selling his OKM rover for 10,000 euro. He will take a significant loss but I figure it's a tax he will have to pay for neglecting his physics in high school....

  9. #24
    mx
    May 2009
    96
    1 times

    Re: OKM??

    Hi H iiiQ. I have questioned about the technic used for rober c from okm and anybody say nothing about this. I supossed is pulse induction with software and magnetometer too, but realy what it is ? because they say has a range of 18 meteres underground. How is possible with a battery of 9 V in rober c 2003 ?.

  10. #25

    Nov 2004
    70
    3 times

    OKM

    OKM makes only magnetometers and dowsing rods. Both equally worthless in treasure hunting/archeology. The big boys prefer something with big coils and lots of power...
    http://www.geo-western.com/em/em.htm

  11. #26
    ie
    Apr 2008
    On da money
    Mermet brass pendulum; Aqua Locator (antique), Luddite Skeptic detector
    176
    9 times

    Re: OKM

    Quote Originally Posted by HiiiQ
    OKM makes only magnetometers and dowsing rods. Both equally worthless in treasure hunting/archeology. The big boys prefer something with big coils and lots of power...
    http://www.geo-western.com/em/em.htm
    ??

    You can't know very much about dowsing so? There have been many archaeological (and treasure) finds attributed to dowsing in the UK. I know very little about magnetometers but can say that your brush-off of dowsing is unwarranted. The facts are there in the UK if you care to research.

  12. #27

    Nov 2004
    70
    3 times

    Re: OKM??

    A week ago I found out that somebody I know went to Germany to buy a georadar. He has less than average inteligence ,so I sent him a very simple text message- "Never ever buy anything by OKM. Even if it's free do not take it". Guess what? He bought an OKM for 10,000 euro and he's coming back in a couple of days. What do you say to such extreme stupidity? I give up. Just like the lottery is a tax for people who don't know math, OKM is punishment for people who are extremely dumb and deserve to lose there money and who will ,for the rest of there miserable lives look at pictures of rust spots in the ground.

  13. #28
    ru
    Nov 2009
    5

    Re: OKM??

    I wish I would have seen this thread sooner, because I have actually spent time in the offices of OKM in Germany. First of all, when you show up at their headquarters and are ushered inside the prefab ( read one step up from a double wide trailer ) offices, the display of treasure symbols and trinkets gives you the feeling that their marketing style is right out of the book used by the guys who traded some blankets and glass beads for the island of Manhatten. Don't misunderstand me, they've got a couple of engineers on board that are well educated and experienced in geophysics. They also are doing thier best to strap alot of bells and whistles on some pretty standard equipment and present the best case senario when describing its performance. When you start asking specific questions, they quite readily admit to the limitations of thier equipment. If on the other hand, you don't know the right questions to ask, they have no qualms about selling you a piece of equipment that should realistically be priced at about 15-25% of what they are charging for it.
    We didn't have any conversations about their LRL products simply because after our question and answer session, it was obvious from the looks on thier faces that they didn't have much that was going to hold up well in the light of our very pointed questions, and would be a whole lot more comfortable if we would just go away. They were not rude in any way, but it was not difficult to see the disappointment on their faces when they realized we were well prepared for the meeting.
    Berk

  14. #29
    mx
    Oct 2008
    13

    Re: OKM??

    Hello HiiiQ,
    Tell to your friend that he can sell his okm 4000 because it is a bad equipment....
    One week ago a friend go to visit me with is okm 4000 , he buy it 3 month ago and
    we go to our test field.....
    The result is very poor this equipment 4000 do not detect a 200 liters tank at 3 meters but pi connected with a mini logger
    detect very well (see in my post the photo of the logging)....
    and i tell him try this target a 10 liters tank at 1,20 meters depth ....... and nothing it try two times ...making
    a good grid and the routine check up ....and you see nothing in the display after the download.....
    My friend will return at Kellyco Miami vendors the unit to exchange with a minelab detector or whatever equipment working good
    with loosing a good money!!!! sorry
    It is my sincere testimony but for the people who did not believe me , buy it , test it and you will see
    Alexis.

  15. #30
    mx
    May 2009
    96
    1 times

    Re: OKM??

    There are some inputs about okm, good an bads. If this it is not like the vendor say and then this is a fraud and like that must be looked by law.I do not know if there is a law departament about this kind of vendors.

 

 
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