ACP 128A

Question 1

What three formats can teletypewriter messages be prepared in?

Answer 1

PLAINDRESS, ABBREVIATED PLAINDRESS, CODRESS

Question 2

Who authorizes changes to the text of messages?

Answer 2

Releasing authority

Question 3

How many characters is each line of a teletypewriter message limited to?

Answer 3

69

Question 4

What does each teletypewriter message format line end with?

Answer 4

Two carriage returns and one line feed