No, this is not a spam message. From the question, it seems like you are having trouble decoding your PSK 31 signals using DigiPan for Windows, and you are seeking help to understand why you are only seeing garbage on your screen. It would be helpful to provide more specific information about the issue you are facing, such as your setup, any error messages received, or steps you have tried. This would enable others to provide better assistance and help resolve your problem.