PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-23:12:40
G01     318.8          19.8                7.5 +/-    1.86      16.6 +/-    1.86  0.100 / 0.260
G08     259.8          13.5               11.4 +/-    4.12      29.5 +/-    4.12  0.170 / 0.280
G10     80.9           51.4               11.6 +/-    0.92      14.4 +/-    0.92  0.040 / 0.040
G11     304.6          21.5                8.6 +/-    1.86      18.2 +/-    1.86  0.040 / 0.050
G14     288.9          69.3                9.2 +/-    0.53       9.8 +/-    0.53  0.110 / 0.090
G18     304.6          41.0                9.1 +/-    1.74      13.0 +/-    1.74  0.050 / 0.110
G20     106.1          27.8               12.1 +/-    0.96      22.1 +/-    0.96  0.100 / 0.360
G31     174.6          42.9               12.9 +/-    0.87      17.9 +/-    0.87  0.180 / 0.310
G32     8.8            67.3                9.3 +/-    0.94      10.0 +/-    0.94  0.030 / 0.030