[Code of Federal Regulations]
[Title 47, Volume 5]
[Revised as of October 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 47CFR97.309]

[Page 611-612]
 
                       TITLE 47--TELECOMMUNICATION
 
        CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION (CONTINUED)
 
PART 97_AMATEUR RADIO SERVICE--Table of Contents
 
                      Subpart D_Technical Standards
 
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 ITU-T Recommendation F.1, Division C (commonly known as 
``Baudot'').
    (2) The 7-unit code specified in ITU-R Recommendations M.476-5 and 
M.625-3 (commonly known as ``AMTOR'').
    (3) The 7-unit, International Alphabet No. 5, code defined in IT--T 
Recommendation T.50 (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 a District Director 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;

[[Page 612]]

    (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; 71 FR 25982, May 
3, 2006; 71 FR 66465, Nov. 15, 2006]