Re: Antenna Modelling Software Was: Performance of end-fed half-waveantennas

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From: Bruce Muscolino (w6toy@erols.com)
Date: Thu Jan 22 2004 - 15:34:39 CST


Alex ,

Just wanted to point out that all should remember that any modelling
software is just that, modelling software. The software only gives you
a look at the antenna's pattern under ideal conditions. You will never
have ideal conditions for your antenna, but it does save on wire!

Bruce
>
> Leon Heller wrote:
>
> > MMANA is very good, free, and quite easy to use:
>
> I never tried MMANA. I have to give that a shot soon. I've used EZNEC
> (demo) for quite a while, and grew quite fond of it (can you say that
> about software?).
>
> Recently I stumbled upon Arie Voors' comments on an antenna modeling
> article in a Dutch amateur radio magazine. I decided to try his free
> products 4nec2 and 4nec2X (3D modeling) and found it quite impressive.
> You can download it at:
>
> http://www.qsl.net/wb6tpu/swindex.html
>
> Some screen images:
>
> http://www.qsl.net/wb6tpu/4nec2_images.html
>
> Here's a screendump of a model run of my (former) delta loop:
>
> http://www.kr1st.com/screen.gif
>
> What I really like, besides the pretty pictures, is that you can easily
> compare radiation patterns of different antennas within the same window.
> I like to play with the models first before I actually go in the yard
> and mess with wires. :)
>
> The really cool part....it's free. :)
>
> 73,
> --Alex KR1ST
> http://www.kr1st.com


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