PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-13:28:10
G01     109.5          24.0                8.7 +/-    0.78      17.3 +/-    0.78  0.160 / 0.240
G07     104.3          57.1                9.3 +/-    0.61      10.8 +/-    0.61  0.130 / 0.240
G08     42.0           20.9                7.2 +/-    2.07      15.6 +/-    2.07  0.030 / 0.030
G09     173.8          14.3                6.8 +/-    1.97      17.1 +/-    1.97  0.030 / 0.030
G11     90.1           40.6                8.1 +/-    0.48      11.7 +/-    0.48  0.030 / 0.040
G13     313.0          25.1                4.8 +/-    2.01       9.4 +/-    2.01  0.030 / 0.030
G17     204.1          37.5                8.8 +/-    1.32      13.3 +/-    1.32  0.080 / 0.190
G19     208.1          12.1                1.0 +/-    7.64       2.6 +/-    7.64  0.070 / 0.180
G28     312.7          60.3                5.7 +/-    0.82       6.5 +/-    0.82  0.070 / 0.080
G30     4.0            75.0                7.5 +/-    0.79       7.7 +/-    0.79  0.050 / 0.090