PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-12:58:00
G07     311.4          50.4                5.6 +/-    0.88       7.1 +/-    0.88  0.030 / 0.060
G08     129.7          39.9                7.9 +/-    1.01      11.6 +/-    1.01  0.030 / 0.050
G09     306.8          76.9                5.1 +/-    0.40       5.2 +/-    0.40  0.050 / 0.060
G16     42.1           25.6                4.6 +/-    2.31       8.8 +/-    2.31  0.050 / 0.050
G23     143.1          61.8                7.5 +/-    0.33       8.4 +/-    0.33  0.030 / 0.040
G27     81.5           37.4                6.2 +/-    0.98       9.4 +/-    0.98  0.030 / 0.040
G30     286.9          24.7                6.8 +/-    1.68      13.4 +/-    1.68  0.030 / 0.050