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On Thu, 18 Sep 2003 11:23:21 -0400, "R J Carpenter"
wrote: It's just a half-rhombic, but must suffer seriously from the poor grounding that the ground rods provide. That will both reduce the front-to-back ratio and make the input impedance vary (much) more with frequency. According to US Army Signal Corps FM 24-18 chapter 3 section 7, poor grounds can be helped with a dose of the following to increase conductivity (in order of conductivity) Sodium Chloride Calcium Chloride Copper Sulfate Magnesium Sulfate Postassium Nitrate Course they also say dont let it get into the drinking water grin mike |
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