PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/11-04:42:50
G01     223.8          14.6                8.2 +/-    3.32      20.6 +/-    3.32  0.040 / 0.030
G03     280.0          68.4                8.0 +/-    0.74       8.5 +/-    0.74  0.050 / 0.030
G09     297.7          14.1                7.1 +/-    1.54      18.2 +/-    1.54  0.110 / 0.180
G14     89.3           22.7                5.6 +/-    1.64      11.6 +/-    1.64  0.120 / 0.190
G16     140.7          49.2                9.3 +/-    0.85      11.8 +/-    0.85  0.080 / 0.090
G22     210.9          67.7                9.4 +/-    0.47      10.1 +/-    0.47  0.080 / 0.080
G23     309.6          39.3                6.4 +/-    1.26       9.4 +/-    1.26  0.200 / 0.430
G26     88.8           54.1                7.7 +/-    1.13       9.2 +/-    1.13  0.270 / 0.250
G31     47.0           28.4                4.1 +/-    2.24       7.4 +/-    2.24  0.050 / 0.060