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for Carl - NC , gold gun AL 707 or 718

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  • #31
    I will update the schematic tonight with the coil info. They had a 1/2"x14" ferrite rod with a coil wound in the center. The coil had a tap on it that went to ground shown on the schematic. I have the values and will post tonight.

    Tim
    Bringing metal detectors into the world of imaging!

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    • #32
      Ok I updated the zip file with the information on the coil and picture. It did not survive the disassembling of the pvc! No lost.

      Tim
      Bringing metal detectors into the world of imaging!

      sigpic

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      • #33
        Originally posted by Tim Williams View Post
        Ok I updated the zip file with the information on the coil and picture. It did not survive the disassembling of the pvc! No lost.

        Tim
        I think you forgot to attach the file.

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        • #34
          No it's in the post I made before. But I will add it here.



          Tim
          Bringing metal detectors into the world of imaging!

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          • #35
            Thanks again Tim!

            Tim,

            That's interesting that they had the dipole crosswise to the direction where you would think the rod was pointing to. I would of made it so the direction of reception would of been straight ahead. I guess I'm thinking like an Amatuer Radio guy instead of an LRL MFR.

            Well that settles that mystery and too bad the Navy disabled the ELF transmitters.

            Randy

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            • #36
              The signal that was needed to use the gun is no longer being transmitted as I understand it. Because of that reason a ELF transmitter was sold. I'm not saying the gold gun never worked.
              The unit was sent to me from a friend and asked me to see what was inside. The files show what was inside. I saw the gold gun used in Mexico with bad results. I'm not for or against the gold gun. Just thought after all this time some would like to see what made it tick.

              Tim
              Bringing metal detectors into the world of imaging!

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              • #37
                GG718

                next variant
                Attached Files

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                • #38
                  Originally posted by LRLMAN
                  I saw the gold gun used in Mexico with bad results.
                  Hi LRLMAN,

                  When you were in Mexico, did you see any other LRLs with good results?

                  J_P

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                  • #39
                    The Gold gun was the only unit they had there. That trip turned out to be a mess! It was the first and last time for me. We were followed and recorded from a ways off. Pictures were taken of us. The reason I know this is a fellow LRL manufacturer told me he saw pictures and heard recording of us talking. It's a long story!

                    Tim
                    Bringing metal detectors into the world of imaging!

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                    • #40
                      Jonas-AL718

                      Jonas,

                      That's just what I suggested regarding the use of VLF Navy stations. Thank you for posting the schematic.

                      Randy

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                      • #41
                        next variant



                        Hi Jonas
                        Thank you for circuit . are you have success in practice ?
                        did you be able find gold with it ?
                        regards.

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                        • #42
                          Hi,
                          nice schematic... but how can this "thing" find e.g. gold ???

                          For me it can't does that.

                          What I understand of this circuit is that there are two opposite wounds on ferrite rods... like one would see e..g. in a gradiometer but with magnetic hi-perm. core, then a "filter" or "decoupler", then amplifier, then another decoupler and another amplifier !

                          Does it find gold ?

                          For me if another "version" of "anomaly detector": this is magnetic , where zahori is electrostatic.

                          That's so, zahori react to E-field and E-compoent of EM radiations, this react to local B spot variations or B-component of EM radiations.

                          If you use it near a power line you'll see the ufo ! Like with zahori.

                          You probably have to use it from E-W direction cause N-S movements will pick variation of coupled Earth magnetic field.

                          Unit is probably subject to ULF/ELF (if present) detection... e.g. low frequency modulation of 50/60Hz , ULF due to navy subarine comm. emissions, ULF due to atmosperics phenomenon etc etc etc

                          But then ? Is it an advantage for you ? Don't understand.

                          Any big spot variation of Earth magnetic field will be detected by movements of rods axis near the hi-gradient area, but can you pinpoint anything that way ?

                          How can it just pick few pT variations due to gold and not nT ones due to e.g. big iron stuff in ground ?

                          For me cannot find gold, just gold or precious metals, but will find any power line, any railway emission, any huge scrap of iron, any lightening etc etc

                          Nice schematic, yes, have a differential fet configuration, hi-impedance...
                          but for me is just another zahori that serve nothing.

                          Best regards,
                          Max

                          "Kill for gain or shoot to maim...
                          But we dont need a reason
                          "

                          someone said...

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                          • #43
                            hi mr.Carl-NC
                            please if you have A pictures for gold gun AL718 send to me i have one but maybe my device is missed some parts
                            thanks
                            my english is so bad

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                            • #44
                              THE LRLMAN GIVED THIS:


                              If you still have problem write and i'll post here other photos.
                              MACEDONIA IS ONE AND GREEK

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                              • #45
                                Originally posted by digital logic View Post
                                THE LRLMAN GIVED THIS:


                                If you still have problem write and i'll post here other photos.
                                There's also this schematic.
                                Attached Files

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