PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-02:12:50
G01     318.3          20.9                7.0 +/-    2.72      15.0 +/-    2.72  0.040 / 0.050
G08     260.2          12.6               11.5 +/-    3.21      30.2 +/-    3.21  0.040 / 0.050
G10     83.4           50.6                9.5 +/-    0.89      11.9 +/-    0.89  0.170 / 0.280
G11     302.1          23.0                7.9 +/-    0.95      16.2 +/-    0.95  0.300 / 0.290
G14     298.1          70.6                8.7 +/-    0.56       9.2 +/-    0.56  0.160 / 0.270
G18     302.7          42.4                9.4 +/-    1.83      13.1 +/-    1.83  0.160 / 0.320
G20     107.2          27.6                9.3 +/-    1.25      17.1 +/-    1.25  0.060 / 0.070
G22     301.8          10.8               -0.2 +/-    6.62      -0.6 +/-    6.62  0.060 / 0.080
G31     173.8          45.1               11.6 +/-    0.68      15.6 +/-    0.68  0.030 / 0.020
G32     9.7            66.7                7.0 +/-    1.20       7.5 +/-    1.20  0.030 / 0.020