EZNEC+

EZNEC is an app for modeling and analyzing nearly any kind of antenna in its actual operating environment.
Main features:
- Circular polarization far field analysis in addition to the linear polarization capability of the standard program.

- Double-precision calculating engine in addition to the standard mixed-precision engine.
- Catenary wire creation.
- Additional SWR sweep displays: Smith chart, return loss, and reflection coefficient magnitude.