For more information, click on the appropriate buttons or links below: Return to the home page of Donner's Digital Interfaces Click on the button above to go to a page that lists some of the more popular frequencies for finding the various digital modes in operation. Have your callsign and/or name embroidered on a shirt or jacket. Also lots of ham radio graphics can be embroidered on the same items. Contact us: e-mail: n8st@worldnet.att.net Mail: Donner's  P. O. Box 158 Hamersville, OH 45130

SOFTWARE FOR THE DIGITAL MODES If you are new to using digital modes and this is your first time setting up an interface (or if you just want to refresh your memory), Donner's Digital Interfaces has designed an e-book that will help you setup your interface and get started in the digital modes. To download this e-book, click on the link below. DDI-BOOKLET.pdf  (GETTING INTO DIGITAL COMMUNICATIONS) If you are having trouble figuring out what COMM Port number to set in your digital software, click on the link below to download a file that will show you how to find the COMM port number(s) on your computer.  This article is designed for Windows XP users but can also help with other  versions of Windows.  YOUR COMM PORT NUMBER.pdf (How to know what COMM ports you have on your computer and what numbers are assigned to them) Or if you would like to view the tutorial online just click on the link below: GETTING INTO DIGITAL COMMUNICATIONS (online tutorial) To use any interface box with your computer and radio, you will need the appropriate software for your computer.  Donner's Digital Interfaces does not supply the software because there are many varieties of good software already on the market.  Best of all, most of it is FREE! Some software is designed for a specific digital mode (i.e. SSTV, PSK31, RTTY, etc.);  others will do a variety of modes with one software.  You will need to decide which is best for your needs, your computer, etc.  Although you don't need the latest, fastest, biggest computer on the market, please checkout what the particular programs need in system requirements.  If you have a computer that runs at 100 Mhz or faster, has a Sound Blaster Pro or better soundcard, you have what it takes to run most of these software programs. Download Software at these locations: A Wealth of Digital Software titles and great links too Sergey RV3APM Software page - lots of links to great digital software NOTE:  These software programs and their manufacturers are NOT associated with Donner's Digital Interface, so if you have questions about the software, please contact the software manufacturer directly.  Donner's Digital Interface can NOT help you with software problems!