A program to communicate with phone TTY/TDD devices (Telecommunications Devices for the Deaf) via a sound card, without TTY modem. A simple interface between sound card and phone line or acoustic connection with phone handset are used. Together with "Virtual Audio Cable" software CallTTY can work via Skype Internet-phone, without. Free download of CallTTY TDD software 2.20, size 888.66 Kb.
A program to receive weather reports, navigational warnings and weather charts transmitted on longwave and shortwave bands in RTTY, NAVTEX and HF-FAX (WEFAX) modes. It can decode GMDSS DSC (HF and VHF) messages. Software also can automatically save NOAA Weather Radio SAME voice messages (NWR SAME) and them digital headers. None additional hardware. Free download of SeaTTY 2.30, size 1.46 Mb.
A program to decode Morse code via sound input of PDA to text. No additional hardware required - your need only receiver and PDA with sound input. Built-in microphone of device can be used also.. Free download of CwGet PPC 0.60, size 150.53 Kb.
Program to decode Morse code (CW) via sound card to text. It can work as narrow-band sound DSP-filter also. No additional hardware required - your need only receiver and computer (5x86-133 or better) with sound card. Can cooperate with RZ4AG AAlog logger. It is software Morse decoder that REALLY work! . Free download of CwGet morse decoder 1.5, size 765.95 Kb.
The terminal program for CW-operators (amateur radio). You can transmit both from the keyboard and from the paddle connected to a joystick or LPT connector. While operating in paddle iambic mode sending (the memory of a unit of the symbol) is possible. The handle of the transceiver (PTT and CW keying) is made through one of the COM, LPT or USB. Freeware download of CwType morse terminal 1.55, size 1.38 Mb.
A program for amateur radio digital communications via a sound card. Supported modes are RTTY (Baudot code), ASCII (7 or 8 bits), PSK31 (BPSK and QPSK), BPSK63, AMTOR-FEC (SITOR-B, NAVTEX), MFSK16, MFSK8. HF-PACKET and UHF-PACKET (AX25) are supported in KISS-TNC emulation mode. SELFEC SITOR, AMTOR-ARQ (SITOR-A) and DTMF-code decoding is also. Free download of TrueTTY 2.55, size 1.52 Mb.
