PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-02:12:50
G01     314.8          26.9                5.0 +/-    2.05       9.3 +/-    2.05  0.170 / 0.290
G10     93.4           46.0                7.4 +/-    0.76       9.9 +/-    0.76  0.370 / 0.320
G11     295.0          25.5                5.6 +/-    0.73      10.8 +/-    0.73  0.050 / 0.050
G14     321.3          70.8                6.7 +/-    0.67       7.1 +/-    0.67  0.050 / 0.050
G18     293.9          46.8                6.2 +/-    7.32       8.2 +/-    7.32  0.100 / 0.200
G20     113.0          22.2                6.8 +/-    1.24      14.1 +/-    1.24  0.080 / 0.140
G22     305.3          16.1                4.6 +/-    2.07      11.1 +/-    2.07  0.170 / 0.270
G25     94.3           12.1                6.7 +/-    1.82      17.8 +/-    1.82  0.170 / 0.220
G31     171.1          53.3               -0.2 +/-    0.75      -0.2 +/-    0.75  0.080 / 0.070
G32     21.7           61.2                5.3 +/-    0.68       6.0 +/-    0.68  0.070 / 0.080