Assessment of the Ionospheric and Tropospheric Effects in Location Errors of Data Collection Platforms in Equatorial Region during High and Low Solar Activity Periods : Figure 7

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(b)

Figure 7: VTECU values on October 19 and 22, 2009 in a period of one day at geographical location of DCP no. 32590 (IONEX (blue), IRI (pink), and triangles (green) represent the time of SCD-2 satellite passes).