[TowerTalk] Radial Ends Buried???

[Pete Smith N4ZR]

I expect I'm an outlier, in a couple of respects.  I have 30 x 70-foot 
radials on the ground under my 160M inverted L.  I'm sure this will 
bother people, but I made up the radials from a spool of about a mile of 
AWG 20, silver(!)- plated copper wire (military surplus) that I got at 
Dayton years ago.  I haven't yet entirely finished the deployment (it's 
been too darned cold here) but I'm wondering about the impact of using 
such small-gauge wire for this purpose, even with the silver.

73, Pete N4ZR
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On 11/18/2022 5:10 PM, Jim Brown wrote:
> On 11/18/2022 1:28 PM, Wes wrote:
>> By serendipity, I measured the input impedance of one radial against 
>> all of the others and it's resonant at 1.84 MHz.
>
> About ten years ago, I did the experiment of modeling a pair of 
> radials cut to a free-space resonance,  starting with them as close as 
> NEC2 would allow it, and raising them in small increments to several 
> feet. VF with that closest contact was about 0.7. By 3-4 ft, was close 
> to free space, taking the #14 THHN jacket into account. I also did 
> some measurements of THHN #14 pairs laying on the ground, but don't 
> recall the result.
>
> 73, Jim K9YC
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