Re: gEDA-user: Antenna Simulation

[Dave N6NZ <n6nz@xxxxxxxx>]

Don't know of one for Linux. But in my experience, a graphical editor 
for NEC isn't of great value anyway.  The amounts that the wire lengths 
are changing while you are tuning antennas is too small relative to the 
rest of the structure and to the screen size.

What *is* useful is symbolic expressions in wire lists, so that specific 
points in space can be given names.  Makes it much easier to move a wire 
joint, since by changing the X/Y/Z values for one point all the 
associated wire dimensions are adjusted. Brian Beezley's old AO and YO 
programs did that, and it was very convenient.  I've often thought that 
a simple text-to-text preprocessor that resolved symbolic expressions 
would be very useful.

-dave

Stefan Dröge wrote:
> Hi, I'm searching for a graphical editor for antennas that produces input files for NEC (for those that don't know NEC: http://en.wikipedia.org/wiki/Numerical_Electromagnetics_Code).
> So it doesn't have to be a special antenna construction program, it just has to put out files in NEC format.
> I tried to run 4nec2 with wine under linux, but its so slow in the geometry editor that its not usable.
>
> Any ideas?
>
> Greetings, Stefan
>
>
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> geda-user@xxxxxxxxxxxxxx
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