Hi Dick, Wolf's Spectrum Laboratory can be used to exactly that. http://people.freenet.de/dl4yhf/spectra1.html -- 73 Warren K2ORS/WD2XGJ/WD2XSH/23 FN42hi http://www.w4dex.com/wd2xgj.htm
To All from PA0SE Does someone know whether a DSP filter using the sound card of the computer can be found on the internet , that can filter the audio output of the receiver with an adjustable bandwi