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[Towertalk] Quads Yagis and contact static

To: <towertalk@contesting.com>
Subject: [Towertalk] Quads Yagis and contact static
From: n4kg@juno.com (n4kg@juno.com)
Date: Wed, 20 Nov 2002 15:35:22 -0600
MY monoband Yagi's have grounded DE's, and are
matched with Gamma Matches (CC & HomeBrew)
or T-Mathces (Telrex) or Beta Matches (HyGain,
same for HG Tribanders).

Tom  N4KG

On Wed, 20 Nov 2002 Chuck Counselman <ccc@space.mit.edu> writes:
> At 1:01 PM -0500 11/20/02, Mel Martin wrote:
> >Well the quads do reject static noise such as that created by high 
> winds...
> >especially if there is dust or snow in the air. The latter is a 
> problem for
> >me, often rendering my Yagis useless for receive... I had a quad at 
> one
> >time, and it certainly seemed a lot less succeptable... I'm not 
> really sure
> >why... Perhaps someone can explain this phenomenon...
> 
> 
> An obvious _possibility_ is that all parts of all elements of a quad 
> 
> are grounded for DC, whereas one-half of the driven element of a 
> Yagi 
> (the half connected to the center conductor of a coaxial feedline) 
> might not be.  An ungrounded antenna is noisy -- extremely so in my 
> experience.
> 
> What about _your_ Yagis?
> 
> -Chuck, W1HIS
> 
> 
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