PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/05-09:57:40
G07     341.0          61.0                4.0 +/-    0.70       4.5 +/-    0.70  0.070 / 0.210
G08     102.9          52.9                5.7 +/-    0.38       7.0 +/-    0.38  0.080 / 0.220
G09     189.8          72.5                4.9 +/-    0.82       5.1 +/-    0.82  0.060 / 0.090
G11     145.0          14.9                5.3 +/-    2.17      13.2 +/-    2.17  0.060 / 0.090
G23     154.8          36.7                5.4 +/-    2.03       8.2 +/-    2.03  0.050 / 0.040
G27     54.3           31.3                3.3 +/-    0.96       5.7 +/-    0.96  0.030 / 0.040
G28     236.5          24.7                4.6 +/-    2.11       9.0 +/-    2.11  0.070 / 0.090
G30     303.4          36.6                3.9 +/-    0.91       6.0 +/-    0.91  0.070 / 0.090