On July 1, 2008, the EC and ESA launched the procurement process of Galileo. The full system will consist of 30 satellites, control centers located in Europe and a network of sensor stations and uplink stations installed around the globe. It includes an initial operational capability phase of 18 operational satellites. 12, 2012.Ģ) FOC (Full Operational Capability) phase: FOC consists of the deployment of the remaining ground and space infrastructure. The second pair of IOV satellites, IOV-3 and IOV-4, were launched on Oct. The first two IOV satellites were launched on Oct. The Galileo program has been structured into two phases:ġ) IOV (In-Orbit Validation) phase: IOV consists of tests and the operation of four satellites and their related ground infrastructure. A user ground segment of equipment capable of receiving and using Galileo signalsįigure 1: The Galileo constellation of 30 spacecraft (image credit: ESA).A mission ground segment managing all mission specific data.A control ground segment for monitoring and control of the satellites.A launch segment to place the satellites into their operational orbits.A space segment of 30 MEO satellites in 3 planes inclined at 56º.
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