WAV file with undistorted CW from my RedRacer

WAV file with 25% length distortion of each signal element (25% shorter 25% longer 50% nominal)

WAV file with one out of 4 dashes with a hole in the middle of 8% of the length of the dash

WAV file with 25% length distortions and holes in some dashes

WAV file with 20% length distortions and NO holes in some dashes