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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*Topband\:\s+elevated\s+4\-square\s*$/: 3 ]

Total 3 documents matching your query.

1. Topband: elevated 4-square (score: 1)
Author: "Jeff Blaine" <jeff@ac0c.com>
Date: Fri, 16 Aug 2013 00:46:20 -0500
What affect is there of vertical *resistance* variations are the common 4-square boxes? N6LFs QEX article shows quantitatively the performance hit associated with using non-resonant elevated radials.
/archives//html/Topband/2013-08/msg00220.html (6,906 bytes)

2. Re: Topband: elevated 4-square (score: 1)
Author: Jim Brown <jim@audiosystemsgroup.com>
Date: Sun, 18 Aug 2013 09:59:39 -0700
You're asking exactly the right questions, Jeff. If you're not already using SimSmith, or something like it, it should be the next tool you add to your kit. Free, very user friendly if you understand
/archives//html/Topband/2013-08/msg00225.html (7,544 bytes)

3. Re: Topband: elevated 4-square (score: 1)
Author: Brian Machesney <nekvtster@gmail.com>
Date: Sun, 18 Aug 2013 14:56:44 -0400
Jeff, You can also use EZNEC to simulate the effect of the driving point impedance on the array's behavior. It doesn't take too much additional effort to learn how to incorporate lumped elements, tra
/archives//html/Topband/2013-08/msg00226.html (8,543 bytes)


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