Towertalk
[Top] [All Lists]

[TowerTalk] Three Band Quad Antenna System

To: <towertalk@contesting.com>
Subject: [TowerTalk] Three Band Quad Antenna System
From: k5iid@ntelos.net (Tom Horton)
Date: Wed, 06 Feb 2002 14:41:21 +0000
Mark,
  I've been using Quads for about 40 out of my 47 years as a ham.
They work very well, and I have never had a problem on twenty meters
or any other bands for that matter.
They are really pretty forgiving in many ways.
Right now I have a 2 el 5 band Quad up.
GL,
  Tom K5IID



At 22:33 02/05/02 -0500, Mark Fancher wrote:

>All:
>
>I've been studying the subject antenna in the ARRL Antenna Handbook.  The
>Handbook says, "Because quads are rather broadband antennas, excellent
>performance is obtained in both the CW and SSB band segments of each band.
>Changing dimensions in favor of a frequency 200 kHz higher in each band to
>create a "phone" antenna is not necessary".
>
>My question arises in the EZNEC model of this antenna.  I find that on 20m,
>its not broadbanded at all.  In fact, I get a 2:1 SWR bandwidth of only 170
>kHz.  10 and 15 m has a fairly broad bandwidth.
>
>Does anyone out there actually use one of these antennas?  Is it really this
>narrow on 20m?
>
>BTW, the radiation plots for this thing are outstanding, especially for a
>height of only 30 feet!  I would really like to put one of these in the air!
>I'm just a little concerned about the narrow bandwidth on 20m.
>
>Mark Fancher, AA4MF
>mmfancher@earthlink.net
>
>
>
>________________________________________________________________________
>Where do you get ICE bandpass filters & beverage matching boxes?  The
>same place that pays for the hosting of this list:  The eHam Store.
>Order online at http://store.eham.net.
>-----------------------------------------------------------------------
>
>-----
>FAQ on WWW:               http://www.contesting.com/FAQ/towertalk
>Submissions:              towertalk@contesting.com
>Administrative requests:  towertalk-REQUEST@contesting.com
>Problems:                 owner-towertalk@contesting.com


________________________________________________________________________
Where do you get ICE bandpass filters & beverage matching boxes?  The
same place that pays for the hosting of this list:  The eHam Store.
Order online at http://store.eham.net.
-----------------------------------------------------------------------

-----
FAQ on WWW:               http://www.contesting.com/FAQ/towertalk
Submissions:              towertalk@contesting.com
Administrative requests:  towertalk-REQUEST@contesting.com
Problems:                 owner-towertalk@contesting.com


<Prev in Thread] Current Thread [Next in Thread>