PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-03:13:10
G01     319.4          17.1                6.6 +/-    1.52      15.5 +/-    1.52  0.090 / 0.230
G08     257.1          13.7               10.7 +/-    0.79      27.4 +/-    0.79  0.070 / 0.220
G10     78.5           53.5                7.8 +/-    1.03       9.4 +/-    1.03  0.040 / 0.060
G11     303.3          23.1                6.6 +/-    3.04      13.6 +/-    3.04  0.040 / 0.050
G14     290.4          69.6                9.0 +/-    0.77       9.5 +/-    0.77  0.200 / 0.280
G18     305.4          39.8                7.5 +/-    1.79      10.9 +/-    1.79  0.170 / 0.260
G20     87.3           57.3               13.7 +/-    0.70      16.0 +/-    0.70  0.110 / 0.220
G31     174.2          42.9               11.8 +/-    1.08      16.4 +/-    1.08  0.110 / 0.260
G32     10.1           66.9                7.1 +/-    1.23       7.6 +/-    1.23  0.090 / 0.090