The original RTTY.COM website, built by George Hutchison W7TTY and Bill Bytheway K7TTY. The site you are reading now is a rebuild and expansion of that work. The original remains online as a legacy archive.

The primary active community for teletype collectors, restorers, and RTTY enthusiasts. Covers all aspects of mechanical teleprinters, terminal units, restoration, history, and buying and selling. Hosted at QTH.net.

The American Radio Relay League’s RTTY reference document, covering operating practices, contest information, and technical background.

The UK organization dedicated to RTTY and digital modes. Active contest program and technical resources for European operators.

Harold Hallikainen W6IWI’s reference pages covering teletype machines, terminal units, and RTTY — a well-regarded resource from an amateur radio operator with deep expertise in the subject.

The most widely used Windows RTTY software decoder. Essential for decoding ITTY streams on Windows with a virtual audio cable.

Cross-platform multi-mode digital decoder (Windows, Mac, Linux). Includes RTTY mode with configurable shift and baud rate.

Free virtual audio cable for Windows. Routes audio from a media player to a decoder without a physical connection.

Virtual audio routing for macOS. The Mac equivalent of VB-Cable.

Commercial virtual audio routing application for macOS by Rogue Amoeba. Routes audio from one application to another — useful for feeding an ITTY stream directly into a decoder without a physical connection. A paid alternative to BlackHole with a polished interface.

The most extensive online collection of teletype documentation known to this site. Nick England K4NYW has assembled manuals, schematics, and reference material covering a vast range of teletype machines and associated equipment. An essential resource for collectors and restorers.

Forums covering vintage radio and communications equipment, including occasional discussion of teletype machines and associated gear.

RTTY.COM’s own ITTY 60 WPM wire service stream. Direct MP3 link.

ITTY 100 WPM high-speed stream. Direct MP3 link.

ITTY Europe stream, BBC news at 50 baud European standard. Direct MP3 link.