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Re: [TowerTalk] Height for horizontal loops

To: <xdavid@cis-broadband.com>, <aa5jg@yahoo.com>
Subject: Re: [TowerTalk] Height for horizontal loops
From: Tim Kass <timkass@hotmail.com>
Date: Thu, 24 Sep 2009 21:59:06 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
I agree with Dave, but a brief would be to put it about a 1/4 wave up at the 
operating freq.  however, lower versions are cloud burners and good for 100 - 
500 miles...higher is generally accepted as being better I would 
think...also..if fed with ladder line, will operate on multiple freq. and the 
higher freqs would have multiple lobes, some very low angle.  I was always a 
bit surprised that my HB Superloop 80, fed with ladder line, heard DX sigs 
about as well as my beam, of course more noise though...just my 2 cents...read 
up .... www.cebik.com is my favorite site.


73, Tim K8WBL

 


"Everything you want is inside you, All you fear is there as well"




 
> Date: Thu, 24 Sep 2009 18:25:19 -0700
> From: xdavid@cis-broadband.com
> To: aa5jg@yahoo.com
> CC: antennaware@contesting.com; towertalk@contesting.com
> Subject: Re: [TowerTalk] Height for horizontal loops
> 
> 
> There are so many variables influencing the answer to your question that 
> it seems to me your best bet is to download the demo version of EZNEC 
> and learn how to use it. Your first surprise will be that you're not 
> going to see "real improvement over a dipole" with a loop of comparable 
> size.
> 
> 73,
> Dave AB7E
> 
> 
> 
> John Geiger wrote:
> > How high does a horizontal loop (the look skywire) need to be for decent 
> > performance? A quick google search revealed that people were running them 
> > at 25 or 30 feet with good results (in their opinion). I know that high is 
> > better, but how high does it need to be to show real improvement over a 
> > dipole?
> >
> > 73s John AA5JG
> >
> >
> > 
> > _______________________________________________
> >
> >
> >
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> >
> > 
> _______________________________________________
> 
> 
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