PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/18-01:43:00
G01     319.7          17.3                6.9 +/-    3.02      16.1 +/-    3.02  0.040 / 0.040
G08     264.3          14.6               10.7 +/-    2.10      26.9 +/-    2.10  0.040 / 0.050
G10     77.0           52.9                7.8 +/-    0.76       9.5 +/-    0.76  0.140 / 0.330
G11     306.0          21.0                0.9 +/-   16.15       1.8 +/-   16.15  0.180 / 0.380
G14     284.7          69.3                8.2 +/-    0.96       8.7 +/-    0.96  0.110 / 0.320
G18     306.8          39.2                7.4 +/-    1.86      11.0 +/-    1.86  0.120 / 0.360
G20     103.5          30.6                8.5 +/-    0.95      14.8 +/-    0.95  0.070 / 0.090
G27     226.0          10.8               11.3 +/-    3.31      31.0 +/-    3.31  0.080 / 0.090
G31     175.0          40.4                9.7 +/-    0.87      14.1 +/-    0.87  0.030 / 0.030
G32     1.2            69.6                7.1 +/-    0.80       7.5 +/-    0.80  0.020 / 0.020