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Numerical Electromagnics Code (NEM)
Link here for information and instructions on how to run NEC2 in a Microsoft Windows environment. There is also a sample NEC model that you can use to test your setup.
Jerry Burke and A. Poggio wrote the NEC/MOM family of programs at Lawrence Livermore Labs in 1981, under contract to the US navy. Part I: NEC Program Description - Theory HTML Verson PDF Version(view with a left mouse click, download with right click-save target) This is a good place to discuss NEC with contributors from academic, government and industry labs around the world.
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