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Effectiveness of decoupling radials
On Mon, 30 Apr 2007 03:53:06 GMT, Owen Duffy wrote:
The traditional wisdom that elevated radials are generally significantly lower loss than buried radials probably depends on careful "tuning" or isolation of feed point ground to minimise current flowing to the real ground. Hi Owen, As Reggie would have pointed out at this juncture, tuning of radials in very close proximity to the ground would have been an exercise in futility (that is, expecting a sharp resonance as would be evidenced in elevated radials). As was his wont, his description of radials as lossy transmission lines would have held sway in this analysis. This, of course, is contingent upon my having understood the implication of the quoted text above relating to tuning radials near the ground (instead of on high). 73's Richard Clark, KB7QHC |
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