PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/04-02:57:40
G01     289.8          40.5                8.4 +/-    5.71      12.1 +/-    5.71  0.070 / 0.080
G03     311.9          15.6                5.9 +/-    2.94      14.5 +/-    2.94  0.050 / 0.080
G10     120.4          27.7                7.3 +/-    1.79      13.5 +/-    1.79  0.060 / 0.050
G11     262.6          25.7                8.2 +/-    3.09      15.9 +/-    3.09  0.080 / 0.040
G14     24.7           58.6                6.9 +/-    0.94       7.9 +/-    0.94  0.120 / 0.200
G18     250.7          47.2                7.1 +/-    8.23       9.3 +/-    8.23  0.170 / 0.320
G22     313.7          37.4                5.7 +/-    1.28       8.6 +/-    1.28  0.060 / 0.090
G25     64.9           18.3                3.3 +/-    1.62       7.5 +/-    1.62  0.070 / 0.070
G31     110.3          78.9                7.7 +/-    0.51       7.8 +/-    0.51  0.070 / 0.140
G32     53.2           39.8                3.7 +/-    1.28       5.5 +/-    1.28  0.070 / 0.160