You might want to ask K9DX and K4JA about that. I used the K4JA 9-circle,
and it did a darned good imitation of a 2-3 element yagi. Compared to a
4-square, it was night and day.
73, Pete N4ZR
At 09:02 AM 4/14/2005, RICHARD BOYD wrote:
>Or, pare it back further to a standard four-square. If land is not a
>limiting factor, you can always do a pair of four-squares to enhance the
>signal incrementally in the four additional sub-directions. Hardly anyone
>would think it would be a good bang for the buck, I don't think, versus a
>single four-square.
>
>73 - Rich, KE3Q
> ----- Original Message -----
> From: SJ W3TX<mailto:superberthaguy@adelphia.net>
> To: TowerTalk@contesting.com<mailto:TowerTalk@contesting.com>
> Sent: Wednesday, April 13, 2005 10:15 PM
> Subject: [TowerTalk] 160m 8-circle BSEF array
>
>
> I was evaluating the simplicity of the feed system for the 8-circle tx/rx
> array (4 active elements per steered direction) compared to the 9-circle
> array (9 active elements per steered direction) in the 4th edition of
> ON4UN's book Low Band DXing.
>
> My thought process is this. The 8-circle array uses a simplified
> broadside/endfire feed to only four (4) of the eight (8)
> elements...that is,
> four of the elements are left un-fed no matter which direction the array is
> steered. I would anticipate that the four unfed elements would impair the
> gain and FB pattern if left floating. Would they impair the pattern if
> they
> were unfed but grounded??
>
> The difference in gain and FB is negligible between the 8-circle and the
> 9-circle. But the 9-circles feed system is light years more
> complicated and
> perhaps not worth the additional complexity comapred to a simple BSEF
> network??
>
> 73, Scott W3TX
>
>
> _______________________________________________
>
> See: http://www.mscomputer.com<http://www.mscomputer.com/> for "Self
> Supporting Towers", "Wireless Weather Stations", and lot's more. Call
> Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
>
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>http://lists.contesting.com/mailman/listinfo/towertalk<http://lists.contesting.com/mailman/listinfo/towertalk>
>_______________________________________________
>
>See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
>Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with
>any questions and ask for Sherman, W2FLA.
>
>_______________________________________________
>TowerTalk mailing list
>TowerTalk@contesting.com
>http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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