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dr. Best Ultimate Single Chip Two Antennas LRL

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  • ma330
    replied
    hi dear wm6
    please guide me abuot built coil 56nh in dr.best in 2 anenna ???
    i want dr.best 2 antenna.please guide me.

    Leave a comment:


  • Fred
    replied
    It seems you´re deeply into PI´s coils

    Leave a comment:


  • WM6
    replied
    Originally posted by Fred View Post
    Where do you glue the calculator ?
    In inner pocket of jeans by advanced digital cycle version. Here we presented Ultimate analog version of LRL.

    If someone interested, here approximate wideband spiral coil data: outer diameter 222mm, inner diameter 22mm, wire diameter 2,2mm, inductance 222uH, number of turns 50, lenght of used wire 19m/coil. One can experiment with very different diameters, wires or tubes, nr. of turns, shieldings etc.

    Some samples:
    Attached Files

    Leave a comment:


  • Fred
    replied
    Where do you glue the calculator ?

    Leave a comment:


  • WM6
    replied
    Originally posted by Geo View Post
    Hi. We need filters at least for 50/60 Hz. Also we have strong signal at gold even if near it there is rust.
    Regards
    Hi Geo, if you work under power line you need 50/60Hz filter for sure. The same near railway. About 500 m away from such disturbances you do not need filter anymore. But if you wish you can put VLF compensative capacitor 22nF in parallel to R1. In this case you can not count on VLF signal detection. Dr. Best rejects the use of filters. In case of strong outer disturbances spiral antenas can bi installed in plastic tube (as for sewer use) shielded by householding alu foil connected to ground point.

    In case of gold signal is strong and sharp. In case of rusty ferro signal is still strong but towed and not sharp. In case of gold and rusty ferro combination signal is strong and towed with sharp dips. One need reasonable practice to achieve good distinguish between signals.

    Leave a comment:


  • WM6
    replied
    Dr Best Ultimate Spiral Antenna LRL

    Spiral antenna need some changes in schematic nad PCB. Separate inductor of 56nH not needed anymore, it is now included in antenna inductivity.

    All mods here in this new design.
    Attached Files

    Leave a comment:


  • Geo
    replied
    Originally posted by WM6 View Post
    As you stated, placement of antennas can be important question. Related to soil antennas have to be stacked. So below antenna load more capacitance from soil in comparisons to upper antenna so signal by right antennas position cannot be the same. Additional this help to establish right direction to gold cause dip can be strongest in position in which no one of antennas cover apart other antenna reflected VHF signal from buried gold. A strong and sharp signal is obtained only from the precious metal with a smooth surface with no rust, therefore, filters are not necessary.

    But for more advanced and experienced LRL user dr. Best suggest to build spiral wide-band antenna which represent big improvement in comparisons to telescope antennas. Spiral antennas are connected by center of windings to pin2 and pin3 of INA121, by other end of coil over 22pf C to ground point and spaced between each other for 1/2 of diameter of antenna (you can figure it by attached picture).

    Even better than spiral antenna can be Pyramidal logarithmic quadro spiral antenna as currently used in their LRL devices dr. Best, but it is hard to build in the home workshop.






    Hi. We need filters at least for 50/60 Hz. Also we have strong signal at gold even if near it there is rust.
    Regards

    Leave a comment:


  • WM6
    replied
    Originally posted by J_Player View Post
    Yes, We can see the construction of the spiral antenna for big improvements over the telescopic antennas. But what about the Pyramidal logarithmic quadro spiral antenna? Is this antenna only used in the Dr. Best secret LRLs?

    Best wishes,
    J_P
    In the final version of the Ultimate LRL rev. 3.2, dr. Best use only Pyramidal logarithmic quadro spiral antenna. Probably antenas structure not to be publish until anything gold is find in the ground.

    Leave a comment:


  • J_Player
    replied
    Originally posted by WM6
    ...But for more advanced and experienced LRL user dr. Best suggest to build spiral wide-band antenna which represent big improvement in comparisons to telescope antennas. Spiral antennas are connected by center of windings to pin2 and pin3 of INA121, by other end of coil over 22pf C to ground point and spaced between each other for 1/2 of diameter of antenna (you can figure it by attached picture).

    Even better than spiral antenna can be Pyramidal logarithmic quadro spiral antenna as currently used in their LRL devices dr. Best, but it is hard to build in the home workshop.


    Yes, We can see the construction of the spiral antenna for big improvements over the telescopic antennas. But what about the Pyramidal logarithmic quadro spiral antenna? Is this antenna only used in the Dr. Best secret LRLs?

    Best wishes,
    J_P

    Leave a comment:


  • WM6
    replied
    Originally posted by J_Player View Post
    Yes, good question.
    If both antennas are close together, then maybe maybe they both will see the same gold signal. Maybe it is important to make the antenna spacing some distance from each other in order to detect the presence of gold signals shooting in the direction of the antennas.

    Best wishes,
    J_P
    As you stated, placement of antennas can be important question. Related to soil antennas have to be stacked. So below antenna load more capacitance from soil in comparisons to upper antenna so signal by right antennas position cannot be the same. Additional this help to establish right direction to gold cause dip can be strongest in position in which no one of antennas cover apart other antenna reflected VHF signal from buried gold. A strong and sharp signal is obtained only from the precious metal with a smooth surface with no rust, therefore, filters are not necessary.

    But for more advanced and experienced LRL user dr. Best suggest to build spiral wide-band antenna which represent big improvement in comparisons to telescope antennas. Spiral antennas are connected by center of windings to pin2 and pin3 of INA121, by other end of coil over 22pf C to ground point and spaced between each other for 1/2 of diameter of antenna (you can figure it by attached picture).

    Even better than spiral antenna can be Pyramidal logarithmic quadro spiral antenna as currently used in their LRL devices dr. Best, but it is hard to build in the home workshop.


    Leave a comment:


  • J_Player
    replied
    Originally posted by Geo
    Hi Esteban. INA121 is a low noise amplifier with max gain 10.000. So at low frequency it can detect (maybe) a signal smaller than 1uV. But it need some filters.....
    One answer: does it see any different between the 2 antennas???
    Regards
    Yes, good question.
    If both antennas are close together, then maybe maybe they both will see the same gold signal. Maybe it is important to make the antenna spacing some distance from each other in order to detect the presence of gold signals shooting in the direction of the antennas.

    Best wishes,
    J_P

    Leave a comment:


  • Geo
    replied
    Originally posted by Esteban View Post
    Geo

    This doesn't work, and not in this very poor implementation. Is a simple joke.

    Regards

    Hi Esteban. INA121 is a low noise amplifier with max gain 10.000. So at low frequency it can detect (maybe) a signal smaller than 1uV. But it need some filters.....
    One answer: does it see any different between the 2 antennas???
    Regards

    Leave a comment:


  • Max
    replied
    Originally posted by Esteban View Post
    Geo

    This doesn't work, and not in this very poor implementation. Is a simple joke.

    Regards



    doesn't work ! poor implementation! Simple joke!

    Not like yours , uh ?

    Kind regards,
    Max

    Leave a comment:


  • WM6
    replied
    Originally posted by Esteban View Post
    Geo

    This doesn't work, and not in this very poor implementation. Is a simple joke.

    Regards
    You never judge other products according to your own products.

    Device is working, and working even far better than all Mineoros. Which are just extremly expensive joke.

    And Esteban, take notice that the dr. Best plans may not be used commercially.

    Leave a comment:


  • WM6
    replied
    Originally posted by Geo View Post
    Hi WM6.
    Any details for L1, L2???
    Is there any kind of sample ?????

    Regards
    In fact, L1 and L2, are not critical Geo.
    You can compensate deviations by telescope antenas.

    You can put on your finger 3 to 5 windings (dependent on which finger you use) of 2 mm dia Cul wire by same spacing between windings and you came out by 56nH.

    I am sorry, but dr. Best are not alowed to publish photo of his more sophisticated final LRL device. He give us only simplified schematic and PCB of pure joy due personal bankruptcy his former wife.

    Leave a comment:

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