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Date: | Wed, 2 Apr 2008 16:24:17 -0600 |
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Collen,
That would be 1/2 wavelength resonate about 22 khc. What a beverage!
Thank you!
Brett Winchester KD7JN
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-----Original Message-----
From: For blind ham radio operators
[mailto:[log in to unmask]] On Behalf Of Louis Kim Kline
Sent: Wednesday, April 02, 2008 3:32 PM
To: [log in to unmask]
Subject: Re: stupid question.
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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