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Subject:
From:
Shaun Oliver <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Thu, 3 Apr 2008 17:43:50 +1100
Content-Type:
text/plain
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text/plain (64 lines)
I suspect the reply was in relation to mine.

Shaun
web sites:
http://www.myspace.com/blindmanshaunoliver
http://blindman.homelinux.org/~blindman/
skype: brailledude


On 3/04/2008 8:31 AM, the old scribe known as Louis Kim Kline was able 
to impart this pearl of wisdom:
> Hi Colin.
> 
> I'm not sure whether your reply was in response to my reply, but what I was 
> trying to drive at was the possibility of using a chain link fence as the 
> ground plane for an HF Vertical, instead of having to run radials.  For 
> that purpose, it wouldn't matter if it were grounded.
> 
> 73, de Lou K2LKK
> 
> 
> 
> At 08:53 AM 4/2/2008 -0600, you wrote:
>> well, the one reason you can't always load a fence up is that it would
>> typically be grounded.
>> I have heard of people using metal fences to act as HF antennas, but they
>> had to be totally isolated from the ground.
>> Case in point, many farmers who have miles of 3 strand barbed wire fencing
>> on wooden posts will use the top strand as a beverage antenna or low band
>> receiving antenna.
>> I think 4 miles of wire would make a pretty good receiving antenna.
>> Most chain link fences use metal posts in the ground, and the chain link
>> itself is typically treated with a plastic protective substance, or painted,
>> which can lead to problems with continuity.
>> As a ground system though, it would work pretty good under a vertical even
>> with bad continuity between links.  Just having all that metal under a
>> vertical would improve reflections.
>> 73
>> Colin, V A6BKX
>>
>>
>>
>>
>> --
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>> 4:14 PM
> 
> Louis Kim Kline
> A.R.S. K2LKK
> Home e-mail:  [log in to unmask]
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> 
> 
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> 
> 

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