PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/12-07:43:00
G01     251.3          35.5                8.0 +/-    1.22      12.6 +/-    1.22  0.040 / 0.050
G03     316.0          43.1                4.2 +/-    2.18       5.8 +/-    2.18  0.040 / 0.050
G11     237.2          12.2                6.0 +/-    5.17      15.9 +/-    5.17  0.050 / 0.090
G14     58.1           43.0                4.4 +/-    0.67       6.1 +/-    0.67  0.050 / 0.080
G18     221.0          27.6                9.4 +/-    1.04      17.2 +/-    1.04  0.050 / 0.080
G22     303.9          67.1                5.2 +/-    0.78       5.5 +/-    0.78  0.040 / 0.090
G23     287.2          20.5               -2.8 +/-    4.74      -6.2 +/-    4.74  0.070 / 0.100
G26     133.7          38.7                8.5 +/-    0.94      12.6 +/-    0.94  0.080 / 0.110
G31     41.4           56.1                5.1 +/-    0.67       6.0 +/-    0.67  0.100 / 0.680
G32     78.1           21.4                3.6 +/-    0.68       7.6 +/-    0.68  0.090 / 0.480