Java based Smith chart program.  Performs single-frequency and sweep charting
with both Smitch charts and SWR/PWR curves.  Does drag-and-drop schematic entry
with direct entry of component values as well as "drag tuning".  Can import
load parameters directly from the following:

- EZNEC (and EZNEC GAM files)
- miniVNA and miniVNApro
- AIM4170
- CocoaNEC
- Rig Expert ".aaplot" files
- Touchstone S1P ".s1p" files (shunt and series)