Times New RomanTimes New Roman1 KeyContent1BA.-.-.-.--.-.--.-B-...C-.-.CH----D-..E...-..F..-.G--.H....I..J.---K-.-L.-..M--N-.--.--O------.P.--.Q--.-R.-.S...T-U..-..--V...-W.--X-..-Y-.--Z--..1.----2..---3...--4....-5.....6-....7--...8---..9----.0-----full-stop (period).-.-.-comma--..--colon---... question mark..--..hyphen-....-slash-..-. parentheses-.--.-quotation marks.-..-. apostrophe.----. "equals" sign-...- underline..--.-preliminary call-.-.-invitation to transmit-.-message received...-.error! delete last word!........ (eight dots)"plus" sign // end of message.-.-.end of transmission...-.- or .-.-.S.O.S. ...---...duration of a dotone unit of timeduration of a dash three unitspause between characters three unitspause between words seven units