PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/19-03:57:40
G01     293.0          39.8                3.7 +/-    7.53       5.4 +/-    7.53  0.050 / 0.070
G03     311.1          14.2                4.4 +/-    1.99      11.1 +/-    1.99  0.040 / 0.060
G10     118.4          29.7                5.0 +/-    1.05       8.9 +/-    1.05  0.060 / 0.090
G11     265.7          26.4                5.9 +/-    2.18      11.2 +/-    2.18  0.070 / 0.070
G14     19.8           60.4                5.4 +/-    1.10       6.1 +/-    1.10  0.040 / 0.050
G18     254.8          48.2                9.0 +/-    6.99      11.6 +/-    6.99  0.040 / 0.050
G22     313.4          36.1                4.7 +/-    1.42       7.3 +/-    1.42  0.090 / 0.200
G25     67.7           18.4                4.2 +/-    1.15       9.6 +/-    1.15  0.110 / 0.180
G31     124.1          78.1                6.5 +/-    0.41       6.7 +/-    0.41  0.080 / 0.130
G32     51.0           41.5                3.9 +/-    0.95       5.5 +/-    0.95  0.100 / 0.140