these are the REQUIRED files UHF3.EXE The DSP program UHFA.EXE The PC program EGAVGA.BGI Graphics driver GNU_GPL.TXT License for the software these are optional DSP.BAT Optional, see the automating discussion UHFA.CFG Configuration file for the PC program UHFA_43A.RND Used by LTI, EME2 etc, for random stir see::: http://members.ispwest.com/kd7ts/ver3/transceiveroperation.html for more discussion