Multinec
Zplots v.1.6
Plot Impedance Data. Impedance plots using Excel Charts. Zplots uses Excel's charting abilities to plot impedance data obtained from a variety of sources, including the W5BIG AIM4170 Antenna Analyzer, the N2PK Vector Network Analyzer,
Transmission Line Details v.1.1
Experiment with transmission lines. Watch impedance points change on a Smith chart as you quickly vary input parameters using spin buttons. Plot matched line loss versus frequency.