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#11
11-09-2012, 02:43 PM
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Thank you J_P for your infos
Final construction for those with generators. Construction is a little difficult, because the gap between the rings must be 0.02mm. All rings associated with the signal generator. The grounding connected to the main plug. The best materials for "sandwich" construction is acrylic 4mm + metal rings + acrylic 4mm With the tip (rings) you don't need a extra metal plate as reflector Efficiencies greater than 95% signal through the earth, ranging 250HZ-14KHZ Enjoy your success 
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