PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/05-12:57:40
G01     320.4          14.5                2.7 +/-    1.57       6.8 +/-    1.57  0.030 / 0.020
G08     260.1          15.6                4.4 +/-    2.44      10.7 +/-    2.44  0.040 / 0.030
G10     73.1           54.7                4.6 +/-    0.91       5.6 +/-    0.91  0.020 / 0.020
G11     306.1          21.6                4.3 +/-    1.23       9.0 +/-    1.23  0.020 / 0.030
G14     284.7          70.2                3.4 +/-    0.66       3.6 +/-    0.66  0.100 / 0.220
G18     306.8          39.9                4.3 +/-    1.55       6.2 +/-    1.55  0.110 / 0.290
G20     101.5          32.0                4.5 +/-    0.91       7.5 +/-    0.91  0.050 / 0.050
G27     229.2          12.4                3.9 +/-    1.96      10.2 +/-    1.96  0.050 / 0.050
G31     179.1          34.7                5.0 +/-    1.81       7.9 +/-    1.81  0.110 / 0.270
G32     344.9          72.1                4.6 +/-    0.49       4.8 +/-    0.49  0.110 / 0.230