On 10 June 2012 01:39, Jim Lux <jim...@earthlink.net> wrote: > NEC can do a pretty good job on a helix, and it's free. I like 4nec2 as a > front end.
I've never tried NEC on them. I quite like MMANA-GAL myself. But it only supports NEC2. > NEC will also do a patch: Model it as a grid of wires using the guideline of > "surface area of wire is spacing between wires".. that is, if you have wires > on a 1cm grid, then the wire diameter should be 1/pi cm. Even if you thin > the wires out (so you can get them closer to the ground plane), it still > works pretty well. I found a paper about that rule with NEC, and it basically showed it was not a good of thumb. I just can't think where it is (what computer, what directory). Dave _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.