Frequencies for ship earth stations.

The frequency band 1626.5-1645.5 MHz is assignable for communication operations and radiodetermination and telecommand messages that are associated with the position, orientation and operational functions of maritime satellite equipment. The frequency band 1645.5-1646.5 MHz is reserved for use in the Global Maritime Distress and Safety System (GMDSS). [78 FR 25175, Apr. 29, 2013]