DPFFT 2.2

Short:        Plot FFT of data. V2.2
Author:       A A Walma
Version:      2.2
Architecture: m68k-amigaos
Source:       Fish collection

DPFFT includes the ability to plot a Fast Fourier Transform (FFT) of
the data, customized amplitude and phase spectrum, prewhitening
capability, and a Welch window for spectral smoothing.