PUNCTUATION
AUTHORIZED CHARACTER SET: BECAUSE OF THE LIMITATIONS OF AMTOR AND
RTTY TO DISPLAY ALL PUNCTUATION MARKS, ONLY THE FOLLOWING CHARACTERS
MAY BE USED IN NAVMARCORMARS MESSAGES:
   CAPITAL LETTERS: A THROUGH Z
   NUMERALS: ZERO (0) THROUGH NINE (9)
   PUNCTUATION: QUESTION MARK, COLON, SLANT SIGN, PAREN, UNPAREN,
                COMMA, DASH, APOSTROPHE AND PERIOD
OTHER PUNCTUATION MAY BE SENT USING THE ABBREVIATIONS LISTED BELOW:

   PUNCTUATION NAME  ABBREVIATION
   AMPERSAND         AMPSND
   ASTERISK          AST
   AT SIGN           (AT)
   BACK SLANT        BACK SLANT
   DOLLAR SIGN       DOLS
   EQUAL SIGN        EQUALS
   EXCLAMATION       EXCL
   NUMBER SIGN       NR
   PERCENT           PCT
   PLUS SIGN         PLUS
   QUOTATION MARK    QUOTE/UNQUOTE
   SEMI-COLON        SCLN
   SLANT SIGN        SLANT
   TILDE             TILDE
IF OTHER PUNCTUATION IS NEEDED, SIMPLY STATE THE NAME OF THE SYMBOL.