§  97.221   Automatically controlled digital station.

   (a) This rule section does not apply to an auxiliary station, a beacon
   station, a repeater station, an earth station, a space station, or a
   space telecommand station.

   (b) A station may be automatically controlled while transmitting a RTTY
   or data emission on the 6 m or shorter wavelength bands, and on the
   28.120–28.189 MHz, 24.925–24.930 MHz, 21.090–21.100 MHz, 18.105–18.110
   MHz, 14.0950–14.0995 MHz, 14.1005–14.112 MHz, 10.140–10.150 MHz,
   7.100–7.105 MHz, or 3.585–3.600 MHz segments.

   (c) A station may be automatically controlled while transmitting a RTTY
   or data emission on any other frequency authorized for such emission
   types provided that:

   (1) The station is responding to interrogation by a station under local
   or remote control; and

   (2) No transmission from the automatically controlled station occupies
   a bandwidth of more than 500 Hz.

   [ 60 FR 26001 , May 16, 1995, as amended at  72 FR 3082 , Jan. 24, 2007]

Subpart D—Technical Standards