Sec.  97.309   RTTY and data emission codes.

   (a) Where authorized by  Sec.  Sec. 97.305(c) and 97.307(f) of the part, an amateur
   station may transmit a RTTY or data emission using the following specified
   digital codes:

   (1) The 5-unit, start-stop, International Telegraph Alphabet No. 2, code
   defined in International Telegraph and Telephone Consultative Committee
   Recommendation F.1, Division C (commonly known as Baudot).

   (2) The 7-unit code specified in International Radio Consultative Committee
   Recommendation CCIR 476–2 (1978), 476–3 (1982), 476–4 (1986) or 625 (1986)
   (commonly known as AMTOR).

   (3) The 7-unit code defined in American National Standards Institute
   X3.4–1977 or International Alphabet No. 5 defined in International Telegraph
   and Telephone Consultative Committee Recommendation T.50 or in International
   Organization for Standardization, International Standard ISO 646 (1983), and
   extensions as provided for in CCITT Recommendation T.61
   (Malaga-Torremolinos, 1984) (commonly known as ASCII).

   (4) An amateur station transmitting a RTTY or data emission using a digital
   code specified in this paragraph may use any technique whose technical
   characteristics have been documented publicly, such as CLOVER, G-TOR, or
   PacTOR, for the purpose of facilitating communications.

   (b) Where authorized by  Sec.  Sec. 97.305(c) and 97.307(f) of this part, a station
   may transmit a RTTY or data emission using an unspecified digital code,
   except to a station in a country with which the United States does not have
   an agreement permitting the code to be used. RTTY and data emissions using
   unspecified digital codes must not be transmitted for the purpose of
   obscuring the meaning of any communication. When deemed necessary by an EIC
   to assure compliance with the FCC Rules, a station must:

   (1) Cease the transmission using the unspecified digital code;

   (2) Restrict transmissions of any digital code to the extent instructed;

   (3) Maintain a record, convertible to the original information, of all
   digital communications transmitted.

   [ 54 FR 25857 , June 20, 1989, as amended at  54 FR 39537 , Sept. 27, 1989;  56 FR 56172 , Nov. 1, 1991;  60 FR 55486 , Nov. 1, 1995]