§ 80.219   Special requirements for narrow-band direct-printing (NB-DP)
equipment.

   NB-DP and data transmission equipment installed in ship and coast stations
   before October 1, 1990, that operates on the frequencies in the 4,000-27,500
   kHz bands must be capable of operation in accordance with the technical
   requirements of either ITU-R M.476-5 or ITU-R M.625-3 (both incorporated by
   reference, see § 80.7), and may be used indefinitely. Equipment installed on
   or after October 1, 1990, must be capable of operation in accordance with
   the  technical  requirements  of  ITU-R M.625-3, 1995 (incorporated by
   reference,  see  § 80.7).  NB-DP  and  data  transmission equipment are
   additionally permitted to utilize any modulation, so long as emissions are
   within the limits set forth in § 80.211(f) and the equipment is also capable
   of operation in accordance with ITU-R M.625-3 (incorporated by reference,
   see § 80.7).

   [ 76 FR 67611 , Nov. 2, 2011]

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