PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/09-01:42:40
G08     269.0          19.5                6.1 +/-    2.20      13.5 +/-    2.20  0.030 / 0.020
G10     53.0           60.4                5.3 +/-    0.63       6.0 +/-    0.63  0.030 / 0.020
G11     312.6          16.5                5.0 +/-    1.78      12.1 +/-    1.78  0.110 / 0.200
G14     261.8          65.6                6.8 +/-    1.17       7.4 +/-    1.17  0.120 / 0.420
G18     88.1           39.0                4.2 +/-    1.03       6.2 +/-    1.03  0.180 / 0.220
G21     153.4          17.7                7.9 +/-    2.05      18.4 +/-    2.05  0.150 / 0.130
G24     41.8           13.9                6.2 +/-    3.49      15.9 +/-    3.49  0.110 / 0.220
G27     233.0          17.7                7.7 +/-    1.58      17.9 +/-    1.58  0.080 / 0.230
G31     180.2          25.4                6.3 +/-    1.87      12.2 +/-    1.87  0.060 / 0.050
G32     315.2          75.1                7.4 +/-    0.99       7.6 +/-    0.99  0.040 / 0.040