Towertalk
[Top] [All Lists]

[TowerTalk] 80M 4-SQR

To: <towertalk@contesting.com>
Subject: [TowerTalk] 80M 4-SQR
From: kcl@bwn.net (Kathy London)
Date: Thu, 2 Sep 1999 20:49:26 -0600
I believe that a dipole-based 4-square, such as described by K3LR will work
well.  However, it is worth noting that K3LR has added a 2 element 80 meter
rotatable yagi to his arsenal.  Clearly, the 4-square wasn't quite the
answer he was looking for.

Steve, N2IC/0


>
>With all the discussions on 4-Squares, thought I'd mention another approach
>featured in ON4UN's book and previously written up by K3LR in QST.    The
>alternative I use is an array of 4 80M dipoles suspended from a 100 foot
>tower arranged to the NE, NW, SE and SW and all fed by one of Jim Miller's
>Comtek boxes.   The dipoles are suspended like slopers but with the bottom
>end pulled back to the tower.   All dipoles need baluns and the balun gets
>supported by a rope to pull the dipoles away from the tower.
>
>This approach has the advantage of utilizing an existing tower for support
>and has the bandwidth of a dipole.   Mine is tuned for 3.775 and it works
FB
>for both CW and SSB.  Also does not need radials and no worries about
uneven
>terrain...   If I ever redo it, I may make the dipoles slightly
unsymetrical
>to broadband it a bit.
>
>Tom Whiteside
>N5TW Georgetown, TX
>
>
>--
>FAQ on WWW:               http://www.contesting.com/towertalkfaq.html
>Submissions:              towertalk@contesting.com
>Administrative requests:  towertalk-REQUEST@contesting.com
>Problems:                 owner-towertalk@contesting.com
>Search:                   http://www.contesting.com/km9p/search.htm
>


--
FAQ on WWW:               http://www.contesting.com/towertalkfaq.html
Submissions:              towertalk@contesting.com
Administrative requests:  towertalk-REQUEST@contesting.com
Problems:                 owner-towertalk@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm


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