Oⅴ erview Ground Systems Support the space segment · Command and control Monitor spacecraft health Calculate spacecraft attitude Relay mission data to the users syste e ai d (uplink) func mission data)functionOverview • Ground Systems – Support the space segment • Command and Control • Monitor spacecraft health • Track • Calculate spacecraft attitude – Relay mission data to the users 6/17/2004 2 Ground systems have a command (uplink) function as well as a data (telemetry and mission data) function. 2