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                5.2 +/-    1.15       7.5 +/-    1.15  0.040 / 0.090
G03     311.1          14.2                4.5 +/-    2.64      11.5 +/-    2.64  0.040 / 0.080
G10     118.4          29.7                5.5 +/-    1.74       9.7 +/-    1.74  0.060 / 0.080
G11     265.7          26.4                6.9 +/-    1.53      13.0 +/-    1.53  0.050 / 0.090
G14     19.8           60.4                5.5 +/-    0.67       6.2 +/-    0.67  0.050 / 0.050
G18     254.8          48.2                7.3 +/-    1.09       9.4 +/-    1.09  0.040 / 0.060
G22     313.4          36.1                5.5 +/-    0.75       8.5 +/-    0.75  0.090 / 0.120
G25     67.7           18.4                4.0 +/-    0.87       9.1 +/-    0.87  0.080 / 0.130
G31     124.1          78.1                6.6 +/-    0.91       6.8 +/-    0.91  0.090 / 0.190
G32     51.0           41.5                4.2 +/-    0.76       5.9 +/-    0.76  0.080 / 0.190