PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-11:42:40
G01     109.5          24.1                4.6 +/-    1.14       9.3 +/-    1.14  0.020 / 0.030
G07     104.1          57.7                7.1 +/-    0.26       8.3 +/-    0.26  0.030 / 0.030
G08     42.0           20.8                4.2 +/-    1.59       9.1 +/-    1.59  0.030 / 0.040
G09     173.7          14.0                7.9 +/-    1.46      20.2 +/-    1.46  0.030 / 0.040
G11     90.5           40.9                6.6 +/-    0.43       9.4 +/-    0.43  0.110 / 0.300
G13     313.1          25.0                5.8 +/-    2.47      11.3 +/-    2.47  0.120 / 0.320
G17     204.1          37.6                7.9 +/-    1.84      12.0 +/-    1.84  0.070 / 0.120
G19     208.1          12.1                2.2 +/-   10.06       5.8 +/-   10.06  0.070 / 0.120
G28     313.2          60.4                5.8 +/-    0.84       6.5 +/-    0.84  0.080 / 0.090
G30     6.3            75.4                7.0 +/-    0.51       7.2 +/-    0.51  0.060 / 0.080