NEC-list: Modeling world-wide broadcast

Hello, all.

I'm interested in modeling an array of dipoles in NEC but at ~1000 Hz!
I'd like to place them in a linear array with 1/20 wl separation and
drive them _in phase_ which should produce a uniform field out to a
substantial fraction of the length of the array (for a concrete
example, assume 10 nodes at 15km intervals). I'd like to try modeling
on both ground and seawater earth-size spheres and modeling this and
an enclosing ionosphere as simple lossy surfaces. In this last
respect I guess it's similar to modeling ELF stuff except that because
of the higher frequency it isn't necessarily TEM.

I'm not looking for an exact answer - just a simple working model. I
think it's doable in NEC, but setting it up by hand is a pain, plus
I'm not that familiar with all the necessary tricks to get a
reasonable answer. (I've barely built a working NEC model so far)

One of the first things to determine, of course, is whether this can
be done with less than a couple of million of elements. If it runs
for a week I don't care (except that NT won't stay up that long!)

Thanks in advance for any assistance you can give.

Best regards,
Chris Rode
Received on Fri Feb 11 2000 - 04:21:10 EST