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Re: [TowerTalk] Top loading HF-6V for 160

To: "Jim Lux" <>
Subject: Re: [TowerTalk] Top loading HF-6V for 160
From: "Michael Tope" <>
Date: Sat, 20 Oct 2007 14:25:56 -0700
List-post: <>
----- Original Message ----- 
From: "Jim Lux" <>

>> radiator height, ground loss resistance) and then let the optimizer spit
>> out an optimum position for the center loading inductor and a optimum
>> length for the top hat wires.
> 4nec2 can probably do the optimization.  If you can write algebraic
> equations for the parameters in a NEC description in terms of a few
> symbols, it can optimize..
> For instance, I've done a bunch of models where I was looking at things
> like inverted Vs, where I constrained the height of the center, the
> height of the two end supports, but allowed the spacing of the end
> supports to vary (effectively putting more or less non-conductive string
> inbetween the end of the V and the support).

Yeah, that sound like what is needed. Start the optimizer, go have
lunch, and then come back to see where to saw the aluminum tubing :-)

73, Mike W4EF................ 


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