This a MATLAB based program that computes the: Maximum directivity (dimensionless and in dB), Radiation resistance (Rr), Input resistance (Rin), Reactance relative to current maximum (Xm), Input reactance (Xin), Normalized current distribution-This is a MATLAB based program that computes the: Maximum directivity (dimensionless and in dB), Radiation resistance (Rr), Input resistance (Rin), Reactance relative to current maximum (Xm), Input reactance (Xin),　Normalized current distribution