PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/11-03:42:40
G08     268.2          19.3                9.4 +/-    2.95      21.1 +/-    2.95  0.030 / 0.020
G10     54.1           60.2                6.3 +/-    0.62       7.2 +/-    0.62  0.020 / 0.020
G11     311.9          17.4                7.1 +/-    2.83      16.6 +/-    2.83  0.030 / 0.020
G14     263.4          66.1                7.7 +/-    1.10       8.3 +/-    1.10  0.030 / 0.020
G18     88.2           39.3                7.0 +/-    1.05      10.3 +/-    1.05  0.090 / 0.200
G21     153.7          17.8                7.2 +/-    2.09      16.7 +/-    2.09  0.130 / 0.220
G24     41.5           13.5                5.9 +/-    3.68      15.3 +/-    3.68  0.110 / 0.230
G27     232.5          17.3                9.7 +/-    2.31      22.9 +/-    2.31  0.130 / 0.300
G31     179.2          27.1                8.8 +/-    1.91      16.4 +/-    1.91  0.040 / 0.050
G32     322.5          75.1                7.1 +/-    0.35       7.3 +/-    0.35  0.040 / 0.050