5 March 19

RTTY dates back to the mid 1800’s but was not transmitted over radio till 1922 by the US Navy between an aircraft and a ground station. Later that year RCA transmitted between a radio station in Chatham Massachusetts and a ship the R.M.S. Majestic… For more (Click Here)

The typical RTTY baud rate is 45.5 on amateur radio. For more history on Baudot (Click Here)