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Pulse Star II (first analog version)

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  • As an operator I say that it is a good machine,
    it is really useful especially for us here in the
    Balkans, it has passed through my hands 3 times and so I can compare with others.
    for me personally the Lorentz x3 is much better, but that does not matter.
    But as an electronics engineer, its construction is not at all familiar, it does not comply with
    the standards of how a construction of this type should be, at all.
    I believe that there is some point in the circuit that deserves attention,
    If the printed circuit board is redesigned and some modifications are made
    I believe it will work even better, but that takes time for construction and testing.​

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    • Originally posted by Xtrem View Post
      As an operator I say that it is a good machine,
      it is really useful especially for us here in the
      Balkans, it has passed through my hands 3 times and so I can compare with others.
      for me personally the Lorentz x3 is much better, but that does not matter.
      But as an electronics engineer, its construction is not at all familiar, it does not comply with
      the standards of how a construction of this type should be, at all.
      I believe that there is some point in the circuit that deserves attention,
      If the printed circuit board is redesigned and some modifications are made
      I believe it will work even better, but that takes time for construction and testing.​
      The PS2 has a really interesting concept. A lot would be gained by adding GEB.
      As far as Lorenz is concerned, my experiences are poor, I have had the opportunity to use only one older model DeepMax.
      I noticed that it is much "stronger" than the PS2 and is more prone to the influence of soil.
      My brother-in-law found gold earrings with it, but he had to keep the coil almost 50cm from the soil surface.
      ​

      Comment


      • Since the detector business "died" a long time ago, there is no justification for wasting time on more serious work... except for hobby purposes.
        And today in the era of cheap processors; it is much smarter to deal with programming instead of tedious reverse engineering of other people's work, especially when it comes to such a outdated detector as PS2.
        However, a good magnetometer/gradiometer, with multiple sensors, with good software, can provide much more than even the deepest PI detector.
        Magnetometers do not "see" desirable metals, one would think.
        But if we reduce the story to essential facts from real fields;
        there are very few cases (if any) that valuables are buried at great depths by themselves without additional material that surrounds them (metal boxes, cash registers, ceramic containers, smaller spaces walled with ceramic materials, etc.).
        In the past 40 years, I have heard of many cases of finding valuables. But I don't remember ever hearing that those valuables were found alone, as such, in the ground.
        There was always a "box", a "container", a "room". Something that always has enough material with good magnetic properties in its composition.
        And that's what a good magnetometer/gradiometer can see.
        So the practical question arises; why would I invest a lot of work, effort, resources... in the development of a PI detector: if I can achieve much better results and much greater depths with a magnetometer/gradiometer?
        Almost ten years ago, I asked myself this question. And since then I've been much more interested in magnetometer/gradiometer technology.
        For "shallow" finds I still have a dozen good VLF I/B detectors and a couple of PI detectors, and for serious deep finds; so far I have not seen anything more effective than a magnetometer/gradiometer.
        In my opinion, the effort in designing a better PI detector only makes sense when it comes to very fast PI detectors that will successfully find gold nuggets at shallow depths.
        It is precisely the area that Minelab deals with and in which Minelab has gone the furthest.
        The time has come when it is much smarter and cheaper to save money and buy such an advanced Minelab; rather then to struggle and delude yourself with illusions that you can achieve something more than what Minelab has achieved so far.
        The choice is made easier for me by the fact that I don't have gold nuggets in my area (if there are, I'm not too interested), so my interests are primarily focused on ancient finds.
        ​

        Comment


        • Lately I've been enjoying watching TV programs like "National Geography, History channel, etc.)
          On one of those TV channels, the series "Australian gold hunters" is broadcast...
          Well, that's a completely different story!
          A typical example, a married couple, with a couple of Minelab machines, get into a big off-road truck, drive far into the wilderness and in a few days/weeks collect 1-3 kg of gold nuggets.
          That is something completely different! That makes sense! But I don't live in Australia... so I can only see it from here as a nice story.
          ​

          Comment


          • Ivica, I agree with most of what you write, but I disagree with some basic points.
            Specifically this....

            ""there are very few cases (if any) that valuables are buried at great depths by themselves without additional material that surrounds them (metal boxes, cash registers, ceramic containers, smaller spaces walled with ceramic materials, etc.).In the past 40 years, I have heard of many cases of finding valuables. But I don't remember ever hearing that those valuables were found alone, as such, in the ground.""

            Because yes, treasures like the ones you describe have been found, but there are many more, which are smaller, consisting of jewelry and coins,and are in clay, leather and fabric containers. We are talking about quantities of a handful or two.

            I have personal experience with this, specifically I'm looking for a case like this, where the person who hid it, before leaving here, with the population exchange, believed that he would return, and that the situation was temporary,When things calm down and the war is over, he will return to his home. He did not take them with him because he was afraid of the looting that might take place on the way, since they would go by road, on foot. So what did he do? He planted some trees in his garden (poplar, cottonwood) and in one of them, at the root, he hid his wallet.If he were to return in a few months, he would uproot the tree and take them; if he were to delay and take years, then it would be increasingly difficult for anyone to find them.

            Coming to today, with what machine could I find them?My own ambition is to make a machine that can work in the wild environment, in "dirty" soil, and to be able to detect a 10x10cm jar full of coins at level 80cm would be ideal. You know very well that it is not that easy to find coins with a 10x10 piece of solide copper.
            We have such a test site and although it is located on easy ground (homogeneous),it is a difficult target, the GPX barely manages it. The DEUS?there Is a video where they test it in an environment like our test site,using the XTREM, but they have buried a jar with iron coins (red euro cents), so I doubt the test because it is a very easy target.
            If anyone knows of such a video with a test on YouTube, please show it .

            ​

            Comment


            • I absolutely agree with you as well as your entire story.
              Yes, that is the "third case" that I failed to analyze.
              There are such cases here in my region as well.
              What to do about it?
              Certainly, such a finding will be found by any better PI with a larger coil. But!
              We know all the disadvantages of PI detectors.
              And you yourself mentioned that such soils are generally inhomogeneous and heavily polluted with various ferrous materials.
              VLF I/B has no chance here.
              PI has a chance.
              But those chances are directly conditioned by "luck"!
              By "luck" I mean the whole sum of various factors.
              Yes, since I've had an XP Deus 1 since 2012 I know it fails miserably in such tests.
              Not with "Youtube" tests, which are 90% rigged... but with real tests.
              I can't say anything about XP Deus 2, I have almost no experience with that model.
              ML Manticore same, no experience.
              CTX3030 won't find anything, checked.
              Equnox 800 too.
              GPX5000... I don't know, I only had the opportunity to work with it for a few hours, I didn't do such tests.
              Delta Pulse is too "slow" and inert, I don't believe it will find anything under the conditions you mention.
              Pulse Star 2... 45cm coil... ok, if there are no minerals in the soil and no small pieces of iron, maybe there is a chance.
              But these are already very strict conditions.
              Most "treasures" are not in such conditions.
              Greece as a country is one big ancient site.
              Serbia is slightly weaker than Greece.
              But there is also a lot of "history" here.
              Serbia and Greece are very close, so the soils are not too different.
              I guess we have pretty similar prospecting problems.
              If added GEB to PS2, maybe that would improve the chances?
              But there's no need to bother with the PS2.
              Golden Mask from Bulgaria has already done this with their PI series.
              I don't have any personal experience, but I occasionally hear stories from other colleagues.
              ​

              Comment


              • Hello Xtrem,
                According to the 2021 year legal situation in Greece, searching in archaeological sites in Greece is punishable by 10 to 20 years in prison. The likelihood of finding a jar of gold coins in some yard is unlikely. What about places with natural gold sources in Greece?​

                Comment


                • There is a detector that I had with me, it was in the closet for a couple of months.
                  A friend left it and "forgot" it. He only brought it me to make an extra battery pack for it.
                  It is AKA Singum MFD.
                  I wouldn't say it's a true VLF I/B and it's not a conventional PI either.
                  I would say something in between.
                  I did not analyze, I did not open, I did not measure anything.
                  The weather conditions were constantly bad, I couldn't take it outside in nature and test it.
                  I only did a couple of cursory tests in the room.
                  I got the impression that it could be an extremely deep and very accurate detector, with great immunity to mineralization.
                  But that's just a mere guess, I have no basis for any claims.
                  And as per Murphy, as soon as the weather started to get better; a friend came and took the detector away!
                  ​

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                  • Hi Ivconic,
                    If this detector isn't true VLF and isn't conventional PI, what beΠ°st is it? Maybe this solution is from third, unknown kind (or not popular yet hybrid type)?

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                    • Aka Signum is a russian detector.According to their official site it's a multifrequency detector,which means VLF.1 euro coin 36 cm dept,but it's not pointed in the ground or in the air.
                      Last edited by leopard70; Yesterday, 08:09 PM.

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                      • Hello, what is the length of the probe cable? Apparently it has something to do with the good operation of the device. Thanks!

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                        • Hi leopard70,
                          Ivconic mention in # 534 "I wouldn't say it's a true VLF I/B". This opinion is interesting for me.

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                          • akamd.ru You can enter the site and check for yourself.The site has a translator so you can read it in english in case you don't know russian.

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                            • Hello Detectorist​
                              We are not looking at archaeological sites, we don't want to get involved.
                              Now about the other thing you write, I will disagree because I believe it is the most likely, there may be few coins, but they are there.
                              Turks, grandchildren, great-grandchildren, of those who hid them, and even Bulgarians come from time to time.
                              and they asked in remote villages about taps, churches, mosques, wells, and I know cases where they found them with the help of the Greeks here. Personally, I believe that they are the best cases, they are just a little difficult.
                              There is natural gold here and in many places that are not recorded as gold-bearing, there you need a pan​ and a good pinpointer.

                              ​

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