HamComm 3.1 - Digital radio communications. Decodes and sends RTTY (Baudot and ASCII), AMTOR ARQ/FEC, SITOR A/B, NAVTEX, Morse code (CW) and SHIP/SYNOP weather reports. PACTOR decoding included in reg. version. Works with simple, low-cost interface on serial port (schematics included). Runs on DOS, not for Windows or OS/2. Min. requirements: 370K free RAM, 286 or better. 30 day evaluation period. Shareware $30.