PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/08-00:27:40
G01     318.0          21.6                8.0 +/-    1.73      16.9 +/-    1.73  0.110 / 0.200
G08     258.6          12.3                9.2 +/-    2.49      24.5 +/-    2.49  0.150 / 0.200
G10     84.4           50.1               10.0 +/-    1.00      12.6 +/-    1.00  0.040 / 0.050
G11     302.0          22.9                7.2 +/-    1.21      14.8 +/-    1.21  0.040 / 0.050
G14     297.8          70.3                7.4 +/-    0.58       7.8 +/-    0.58  0.060 / 0.090
G18     302.1          42.7                8.3 +/-    1.93      11.6 +/-    1.93  0.070 / 0.080
G20     107.9          26.5                9.5 +/-    0.94      17.9 +/-    0.94  0.170 / 0.330
G22     302.0          10.8               -0.8 +/-    3.34      -2.1 +/-    3.34  0.210 / 0.410
G31     173.7          45.7               10.3 +/-    0.81      13.8 +/-    0.81  0.040 / 0.030
G32     12.4           65.8                6.9 +/-    0.63       7.4 +/-    0.63  0.030 / 0.020