PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/16-00:43:00
G01     319.9          15.9                6.5 +/-    1.59      15.8 +/-    1.59  0.180 / 0.240
G08     258.2          14.4                9.2 +/-    2.25      23.1 +/-    2.25  0.210 / 0.220
G10     76.2           54.2                9.4 +/-    0.75      11.3 +/-    0.75  0.030 / 0.040
G11     304.5          22.5                6.1 +/-    1.29      12.7 +/-    1.29  0.050 / 0.050
G14     287.4          69.6                7.1 +/-    0.60       7.6 +/-    0.60  0.080 / 0.210
G18     306.2          39.4                7.2 +/-    1.57      10.6 +/-    1.57  0.100 / 0.180
G20     103.2          30.9                8.5 +/-    0.83      14.6 +/-    0.83  0.130 / 0.270
G31     176.0          39.9                9.0 +/-    1.37      13.1 +/-    1.37  0.110 / 0.360
G32     5.5            68.5                6.3 +/-    0.40       6.7 +/-    0.40  0.080 / 0.100