![]() RTTY usually involves 3 major pieces of equipment your radio receiver/transceiver (most standard ham radios today work with RTTY), a “terminal unit”, and a teleprinter/Teletype. The interesting part of RTTY, is that it’s not only still a fairly popular digital mode amongst many newer, better digital modes, but it’s historically significant that this particular mode can work with equipment that literally dates back to the 1920’s. There’s a bit of crossover here, as Teletypes were not only used for amateur radio use, but often used for computing as well (now vintage computing), so this page is dedicated to the radio side of things, while I may have another page dedicated to the computer use of Teletypes. It was first pioneered by the Navy, and later amateur radio operators formed groups such as the “ South California Radio Teletype Society” that literally took in cheap and free equipment from companies such as Western Union, and got them in the hands of amateur radio operators who started figuring out how to get them to talk over the air on the amateur bands. Radio Teletype is the evolution of the old “telegram” services from the late 1800s, but instead using “teleprinters” (aka Typewriters) that work over radio waves. ![]() ![]() This page is all about RTTY, or “ Radio Teletype“. ![]()
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