About TrueTTY
A program for amateur radio digital communications via a sound card. Supported modes are RTTY (Baudot code), ASCII (7 or 8 bits),BPSK31,QPSK31,PSK63,BPSK125,AMTOR (SITOR,NAVTEX), MFSK16, MFSK8, HF- and UHF-PACKET (AX25),...
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, QPSK63, BPSK125, 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 possible. No additional hardware required - you need only transceiver and computer (Pentium-100 or better) with a sound card. Optionally you can use simple circuit fo PTT-control. It make fast and convenient frequence control, has a lot macros for tramsmitting. Can cooperate with RZ4AG AAlog logger.
Previous Versions
Here you can find the changelog of TrueTTY since it was posted on our website on 2015-04-28 03:00:00.
The latest version is 2.95 and it was updated on 2026-06-18 12:19:35. See below the changes in each version.
TrueTTY version 2.95
Updated At: 2014-08-16
Changes: The "Narrow" option was added into "Filters" menu in RTTY and ASCII modes.
Narrow filters can be useful to eliminate interference from strong near frequency stations.
TrueTTY version 2.57
Updated At: 2006-11-21
Changes: Some improvements of RX window text displaying were made.
New options were made:
"Do not strip received NIL symbols from capture file and exchange channels";
"Put time marks to a capture file";
"Beacon off if my callsign ... is received";
"Beacon off if any callsign is received twice";
TrueTTY version 2.30
Updated At: 2003-12-05
Changes: Decoders were rewritten. Decoding quality was notably improved.
AFC has two parameters now - local deviation and global deviation.
TrueTTY can send information about used mode to logger now.
"State" and "IOTA" fields was added to catch-word popup menu.
Disclaimer
External Download
We do not host TrueTTY on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by the software publisher and passed their terms and conditions to be listed there. We recommend caution when installing it.
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