RTTY Terminal Units Information

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

Alltronics Teletypewriter Model - A Receiving Converter - 1955
W5HFZ-W5RJG RTTY Converter - 1955
Mainline TT/L FSK Demodulator - 1964
Mark-Hold and Motor-Start for the W2JAV Demodulator - 1967

Mainline ST-3 Demodulator - 1970
DT-600 Demodulator- 1977

Mainline ST-6 Demodulator - 1970
TTL-2 Parts List
Adobe .pdf format
tbd

The Mainline UT-2 - 1975
The Mainline UT-4 FIFO Buffer and XB-6 Clock- 1975
Mainline ST-5 Demodulator
- Basic first release ST-5- 1970
- Updated ST-5 - 1973
- Autostart for the ST-5 - 1973
Frederick Electronics 1632 Demod
34 Pages in Adobe.pdf format
File is 2.2 Megs - Takes time to download.

George Hutchison
W7KSJ
(Webmaster)

WWW.RTTY.COM

William Bytheway
AA6ED
(Co-Webmaster)