In this page you'll find interesting links for the Radio Amateur. In these links there are a lot of software for the practice of digital mode transmition, and modem circuits and interfaces for practicing them too. I wish you to enjoy them...
I recommend you to visit the following addresses in Internet:
If some of these links don't work or they have passed away,I thank you make me know this via E-mail.
If you want that your page appears between these links, please make me know it and I'll add in the list.