PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/26-12:12:50
G01     312.2          29.4                4.5 +/-    1.44       7.9 +/-    1.44  0.130 / 0.100
G10     98.9           43.5                5.0 +/-    0.71       6.9 +/-    0.71  0.130 / 0.120
G11     287.9          27.7                2.7 +/-    0.96       5.0 +/-    0.96  0.040 / 0.020
G14     343.1          69.6                2.3 +/-    0.69       2.4 +/-    0.69  0.050 / 0.030
G18     284.5          50.1                2.8 +/-    1.14       3.5 +/-    1.14  0.040 / 0.050
G20     116.3          18.7                3.6 +/-    1.45       8.2 +/-    1.45  0.040 / 0.040
G22     308.4          24.4                4.9 +/-    1.49       9.7 +/-    1.49  0.040 / 0.040
G25     87.2           13.9                3.4 +/-    2.43       8.6 +/-    2.43  0.050 / 0.050
G31     173.3          56.1                6.5 +/-    0.60       7.6 +/-    0.60  0.120 / 0.130
G32     21.3           60.9                4.0 +/-    0.86       4.5 +/-    0.86  0.070 / 0.180