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The international global navigation satellite systems service (IGS): development and achievements

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Academic year: 2021

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Figure

Table 1 Chronicle of events
Table 2 Chronicle of events 1991–1993
Fig. 1 The IGS Global Tracking Network in 1993
Fig. 2 Development of Orbit consistency since 1993 (root-mean- (root-mean-square errors per satellite coordinate of individual AC solutions with respect to the IGS final orbit, from GFZ homepage)
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