what is rtty
Radioteletype (RTTY) is a telecommunications system consisting originally of two or more electromechanical teleprinters in different locations connected by radio rather than a wired link.These machines were later superseded by personal computers (PCs) running software to emulate teleprinters.n the 1950s through the 1970s,  RTTY art  was a popular on-air activity. It consisted of (sometimes very elaborate and artistic) pictures sent over rtty through the use of lengthy punched tape transmissions and then printed by the receiving station on paper.