(a) A ship station may be authorized to use radio channels in the 285-315 kHz band in Region 1 and 285-325 kHz in any other region for cable repair radiodetermination purposes under the following conditions:
(1) The radio transmitting equipment attached to the cable-marker buoy associated with the ship station must be described in the station application;
(2) The call sign used for the transmitter operating under the provisions of this section is the call sign of the ship station followed by the letters ``BT'' and the identifying number of the buoy.
(3) The buoy transmitter must be continuously monitored by a licensed radiotelegraph operator on board the cable repair ship station; and
(4) The transmitter must operate under the provisions in Sec. 80.375(b).