Technical Library
Dedicated to Byron W. Kretzman, W2JTP

As we scan in more information, we will be adding new information to these archives. Our intent is to capture technical information for equipment that is no longer supported by the manufacturer in either service or information.

  • Teletype Machines - technical (electrical and mechanical) data on a variety of teletype machines like the Model 19, Model 28 and Model 14.

  • Terminal Units - collection of schematics and technical information from older terminal units built from scratch, kits or other manufacturers that are no longer supported.

  • RTTY Software - Collection of software specifically written for RTTY and the BAUDOT code.


All material found on this WEB site are considered

Copyright 2011 by William Bytheway K7TTY and George Hutchison W7TTY