At 12:42 AM 4/19/00 +0000, Pete Smith wrote:
>
>I am working with models of the Force 12 C-3, trying to model stacks and
>their potential interaction with guy wires and wire low-band arrays.
>
>The models I'm using include a simplified monotaper model (7 wires) and one
>based on the physical antenna (57 wires).
>
>According to EZNEC, these can be "conservatively" run on 28 mhz with ~ 95
>and 130 segments. However, I find that the gain figures, in particular,
>don't start to converge until quite close to EZNEC's 500-segment limit -
>the difference can be 1-1.5 dBi. This gives me real pause for the accuracy
>of models using 2-3 of these antennas plus other conductors in the
>vicinity, yet staying under EZNEC's ceiling.
>
>Anyone got any advice on how I might deal with this?
>
>Thanks!
>
>73, Pete Smith N4ZR
>n4zr@contesting.com
>
The "brute force" solution is to upgrade to EZNEC-PRO which allows
essentially unlimited numbers of wire segments. I did the upgrade because
of the very same problem you are describing.
73, John W1FV
--
FAQ on WWW: http://www.contesting.com/antennaware-faq.html
Submissions: antennaware@contesting.com
Administrative requests: antennaware-REQUEST@contesting.com
Problems: owner-antennaware@contesting.com
|