Doppler Tuning Box
Source code (zipped)
Source code (text file)
Video clip (no sound) showing the Doppler Tuning Box test function. Right-click on the link and choose "Save as", download the file, and play it back on your PC.
WispDDE version 4.3.2 by Fernando Mederos, CX6DD
PORT95NT - Windows NT/2000 driver if the LPT-port is used with WispDDE
Morse Generator
Source code (zipped)
Source code (text file)