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Date: | Thu, 3 Apr 2008 17:43:50 +1100 |
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I suspect the reply was in relation to mine.
Shaun
web sites:
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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
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