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Fig. 4 | Earth, Planets and Space

Fig. 4

From: Spatial and temporal characteristics of optimum process noise values of tropospheric parameters for kinematic analysis of Global Navigation Satellite System (GNSS) sites in Japan

Fig. 4

Frequency distribution of the optimum parameter combinations in TROP and GRAD parameter space, based on data from the entire GEONET network on March 10, 2011. Regions indicated by the dashed red squares were used for the common optimum parameter combinations for all components. The colors indicate the ratio of the frequency within each parameter combination relative to the number of GEONET sites. The solid squares indicated the optimum combination value in each component

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