PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/27-02:27:50
G01     251.0          35.5                8.0 +/-    2.40      12.7 +/-    2.40  0.070 / 0.090
G03     316.1          42.5                4.2 +/-    0.58       5.9 +/-    0.58  0.070 / 0.080
G11     236.1          11.8                9.1 +/-    0.76      24.4 +/-    0.76  0.040 / 0.040
G14     59.8           41.3                4.6 +/-    2.86       6.6 +/-    2.86  0.040 / 0.030
G16     161.6          19.1                4.6 +/-    8.33      10.3 +/-    8.33  0.050 / 0.080
G18     219.4          26.9                7.6 +/-    3.71      14.2 +/-    3.71  0.070 / 0.070
G22     304.9          65.3                5.5 +/-    1.11       6.0 +/-    1.11  0.290 / 0.480
G26     135.4          38.3                7.7 +/-    0.58      11.6 +/-    0.58  0.290 / 0.560
G31     41.2           58.1                3.6 +/-    0.74       4.2 +/-    0.74  0.090 / 0.220
G32     77.8           22.0                2.9 +/-    1.29       6.2 +/-    1.29  0.140 / 0.240