PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/15-05:27:50
G01     249.2          34.5                6.4 +/-    1.53      10.3 +/-    1.53  0.030 / 0.040
G03     315.7          43.7                4.7 +/-    0.56       6.4 +/-    0.56  0.030 / 0.030
G11     235.0          11.1                5.7 +/-    2.98      15.6 +/-    2.98  0.070 / 0.090
G14     61.0           40.8                4.3 +/-    1.60       6.1 +/-    1.60  0.100 / 0.100
G16     159.7          21.4                1.7 +/-    7.54       3.6 +/-    7.54  0.040 / 0.070
G18     219.2          26.1                5.0 +/-    3.63       9.6 +/-    3.63  0.040 / 0.070
G22     302.6          66.8                4.5 +/-    0.54       4.8 +/-    0.54  0.300 / 0.560
G26     131.7          40.1                6.5 +/-    0.66       9.4 +/-    0.66  0.330 / 0.430
G31     41.2           54.3                3.8 +/-    0.51       4.5 +/-    0.51  0.130 / 0.300
G32     79.6           20.2                4.4 +/-    1.68       9.7 +/-    1.68  0.130 / 0.290