PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/04-03:42:40
G01     319.3          17.3                6.4 +/-    2.34      15.1 +/-    2.34  0.100 / 0.330
G08     257.2          13.6               10.2 +/-    1.14      26.3 +/-    1.14  0.040 / 0.070
G10     78.7           53.5                5.9 +/-    0.79       7.2 +/-    0.79  0.040 / 0.060
G11     303.3          23.1                5.2 +/-    2.85      10.6 +/-    2.85  0.080 / 0.250
G14     290.2          69.5                7.3 +/-    0.58       7.8 +/-    0.58  0.100 / 0.220
G18     305.3          39.8                7.1 +/-    1.79      10.4 +/-    1.79  0.050 / 0.040
G20     91.3           53.5               17.2 +/-    0.82      20.9 +/-    0.82  0.040 / 0.040
G22     300.3          9.9                -0.9 +/-    8.79      -2.4 +/-    8.79  0.110 / 0.210
G31     174.1          43.1                9.8 +/-    1.13      13.6 +/-    1.13  0.100 / 0.170
G32     10.4           66.8                5.3 +/-    1.01       5.7 +/-    1.01  0.190 / 0.280