The scope of this functionality includes control and monitoring of the satellites and payload, planning and automation functions that allow safe and correct operations to take place and the support of payload related operations. The GCS handles spacecraft housekeeping and constellation maintenance by means of the network of TT&Cs stations globally distributed.The Galileo ground segment consists of two Galileo Control Centres (GCC) situated in Oberpfaffenhofen (Germany) and Fucino (Italy).Įach GCC manages 'control' functions supported by a Ground Control Segment (GCS) and 'mission' functions, supported by a dedicated Ground Mission Segment (GMS): For more details about constellation information, please visit the Orbital and Technical Parameters section. The constellation may be complemented by Galileo auxiliary satellites, which occupy orbital slots that are not part of the baseline constellation and are not defined a priori. ![]() The Galileo space segment is defined as a 24/3/1 Walker constellation: 24 nominal Medium Earth Orbit (MEO) satellites are arranged in 3 orbital planes, with their ascending nodes uniformly distributed at intervals of 120 degrees, inclined at 56 degrees with respect to the Equator. The Galileo system is comprised of numerous components, including the satellites in space, a ground segment across several locations and end users. NAGUs (Notice Advisory to Galileo Users). ![]() SAR/Galileo Reference and Calibration Beacons.Search and Rescue (SAR) / Galileo Service. ![]()
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