... Up: Control System . ... The antennas are grouped into five independently-controlled sub-arrays, which will be used for scientific observations, engineering, or maintenance. The sub-arrays are controlled by two components: the Sub-array Command Processor (SCP) and the Sub-array Tracker (SAT). ... The two control components of the sub-array are the Sub-array Command Processor (SCP) and the Sub-array Tracker (SAT). ... Each sub-array will have a dedicated SCP for handling all control input commands. ...