PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/01-02:12:50
G08     270.1          20.0                8.6 +/-    3.08      18.9 +/-    3.08  0.100 / 0.220
G10     50.5           60.8                9.0 +/-    0.48      10.2 +/-    0.48  0.100 / 0.340
G11     313.2          15.8                9.4 +/-    3.12      22.9 +/-    3.12  0.120 / 0.340
G14     259.3          64.8                9.1 +/-    0.62       9.9 +/-    0.62  0.090 / 0.370
G18     86.7           39.9                8.9 +/-    1.06      13.0 +/-    1.06  0.030 / 0.030
G21     153.2          19.1                9.1 +/-    2.55      20.5 +/-    2.55  0.030 / 0.040
G24     42.4           14.8                6.5 +/-    1.48      16.4 +/-    1.48  0.050 / 0.100
G27     233.9          18.6               12.7 +/-    1.41      28.9 +/-    1.41  0.050 / 0.100
G31     180.1          24.5               11.3 +/-    1.75      22.4 +/-    1.75  0.040 / 0.070
G32     311.3          75.3               10.5 +/-    0.74      10.8 +/-    0.74  0.040 / 0.060