The GEOTAC*CARD were designed to harmonize harmful earth radiation. They are used to neutralize water veins, but are also used for Curry grids and Hartmann grids as well as for fault lines.
Their use converts left-spin polarized radiation into right-spin polarized radiation. The left-spin energy emitted by cell phones, power lines, mobile phone antennas, microwave ovens, etc. is extremely harmful.
I have published detailed information about earth radiation under the heading Earth radiation on my homepage. And I have published detailed information on the subject of left and right spin under this link.
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Manufacturing: All GEOTAC*CARD are manufactured from pure silicon in a complex process and laminated for protection after tachyonization. The GEOTAC*CARD offer experienced radiesthesists and dowsers a reliable basis to optimally support their important work.
The choice of size depends on the strength of the telluric radiation. An experienced specialist can test the optimum size using a kinesiological muscle test or, of course, the rod or pendulum:
GEOTAC*CARD A6: (11,5 x 15,5 cm)
GEOTAC*CARD A5: (15,5 x 21,5 cm)
GEOTAC*CARD A4: (21,5 x 30,5 cm)
The positive effects of these cards have been verified by several hundred dowsers and confirmed by thousands of people suffering from health problems whose symptoms were caused by pathogenic earth radiation.