Topband: Anyone purchased the ARRL book on Short Antennasfor160???

[ZR]

It shouldnt be too hard for some to install a wire mesh of plastic coated 
rabbit fencing below the antenna, after a few months the grass will grow 
well past it allowing mowing.
I did a variation at another home in the 80's when 60+ on ground radials 
didnt perform as expected using a 100' shunt fed tower with stacked 
monobanders. Adding four 4' x 50' mesh strips over the radials and 
connecting into them made a huge difference.

Carl
KM1H


----- Original Message ----- 
From: "Guy Olinger K2AV" <olinger at bellsouth.net>
To: "Charlie Cunningham" <charlie-cunningham at nc.rr.com>
Cc: "Mike Waters" <mikewate at gmail.com>; "topband List" 
<topband at contesting.com>
Sent: Tuesday, January 21, 2014 11:32 PM
Subject: Re: Topband: Anyone purchased the ARRL book on Short 
Antennasfor160???


> On Tue, Jan 21, 2014 at 10:40 PM, Charlie Cunningham <
> charlie-cunningham at nc.rr.com> wrote:
>
>> There's been a lot of work done in the broadcast
>> industry using elevated radials to replace deteriorated buried radial
>> fields
>> that shows that pretty clearly. It was published in some IEEE 
>> transactions
>> some years ago.
>>
>
> Be careful not to extrapolate very specifically qualified broadcast
> experience into ham radio. Originally FCC spec radials still make the 
> close
> foreground earth appear VERY conductive, which is NOT an advantage one 
> will
> have putting up two or four radials over plain old dirt, unless one is
> talking about midwest USA 30 millisiemen super dirt.
>
> I have yet to hear about a ham who had 120 buried bare radials underneath
> his two raised radials.  A ham is talking about two or four raised over
> plain dirt. Two or four over ugly North Carolina 2 millisiemen will be
> down, though one will need comparison RBN plots watching an entire 160
> contest to see it. It's not so far down though that you won't work happy 
> DX
> with it, but there is a power loss.
>
> 73, Guy.
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