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Re: Topband: Beverage polarization

To: JHDMD <jhdmd@bellsouth.net>
Subject: Re: Topband: Beverage polarization
From: Jose_Carlos <N4IS@COMCAST.NET>
Date: Fri, 12 Nov 2021 12:14:04 -0500
List-post: <mailto:topband@contesting.com>
Thanks Jon  I have one copy too.

Electrical and Electronic Engineering series  KRAUS ANTENNAS  page 412. 14-11 
Beverage or Wave Antenna.

73.s
JC
N4IS

Sent from Mail for Windows

From: JHDMD
Sent: Friday, November 12, 2021 12:03 PM
To: Jose_Carlos
Cc: Wes; topband@contesting.com
Subject: Re: Topband: Beverage polarization

This subject is well covered in theory by the late John Krause (SK es W8JK) in 
his famous book
“Electromagnetics”. He is a late Professor of Electrical Engineering at the 
Ohio State University.

My father gave me a copy of this book when I was a student at Georgia Tech in 
the 1960’s.

73,

John, W4NU 

Sent from my iPhone

> On Nov 12, 2021, at 11:28 AM, Jose_Carlos <N4IS@comcast.net> wrote:
> 
> Ron
> 
> The short answer is simple. Beverage antenna is really a transmission line 
> with all proprieties of a transmission line, in one side is terminated by a 
> load and on the other side by a transformer. The difference in speed of the 
> signal, and the arriving wave  angle of incidence, on the in the open air 
> wire, and in the second wire, that is actually the ground, generates a 
> current that travels on the direction of the arriving wave. 
> The wave near the ground interacts with matter (ground) and it is reflected 
> back, the vertical component has a positive phase and adds to the incident 
> vertical component and generate the current that travel the transmission line 
> (wire+ground). The Horizontal component has a negative  phase and cancel the 
> horizontal component and the result is no current is generated.
> 
> 
> 73’s
> JC
> N4IS
> 
> Sent from Mail for Windows
> 
> From: Wes
> Sent: Friday, November 12, 2021 9:09 AM
> To: topband@contesting.com
> Subject: Re: Topband: Beverage polarization
> 
> http://www.arrl.org/files/file/QST/This%20Month%20in%20QST/2021/11%20November%202021/Silver%20Donovan.pdf
> 
>> On 11/12/2021 6:26 AM, Ron Spencer via Topband wrote:
>> I recently read, from Tom, W8JI, that the beverage antenna is vertically 
>> polarized. I'm hoping someone might explain this to me. Intuitively seems it 
>> would be horizontal.
>> 
>> 
>> From here: http://w8ji.com/polarization_and_diversity.htm
>> 
>> 
>> 
>> Under Best diversity receive antennas.
>> 
>> 
>> 
>> Thanks
>> 
>> 
>> 
>> Ron
>> 
>> N4XD
>> Sent using https://www.zoho.com/mail/
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