Architecture
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Architecture |
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| For the realisation of the Galileo Terrestrial Reference Frame (GTRF) several external inputs are needed. The main interfaces for the GGSP are with the Galileo Mission Segment (GMS) and with the International GNSS Service (IGS) as well as the International Earth Rotation and Reference Systems Service (IERS). The GMS is mainly responsible for providing access to the Galileo Sensor Station (GSS) data, both the station meta data and the Galileo/GPS observations. The IGS stations are used to enable the expression of the GSS station coordinates in the International Terrestrial Reference Frame (ITRF). Furthermore, the IGS stations will increase the density of the GSS station network and thereby strengthen the overall network solution. | |
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