PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-07:58:10
G01     221.2          12.1                3.8 +/-    3.68      10.2 +/-    3.68  0.050 / 0.110
G03     272.7          68.5                5.0 +/-    0.66       5.3 +/-    0.66  0.070 / 0.080
G09     299.2          14.5                3.4 +/-    1.04       8.6 +/-    1.04  0.030 / 0.040
G14     93.5           18.3                4.3 +/-    1.35       9.9 +/-    1.35  0.040 / 0.050
G16     142.1          51.5                7.7 +/-    0.58       9.5 +/-    0.58  0.090 / 0.220
G22     202.1          64.5                7.7 +/-    0.63       8.4 +/-    0.63  0.100 / 0.230
G23     311.6          41.0                4.2 +/-    0.91       6.1 +/-    0.91  0.180 / 0.390
G26     87.1           55.3                5.4 +/-    0.94       6.4 +/-    0.94  0.160 / 0.360
G31     47.7           27.0                2.2 +/-    1.07       4.1 +/-    1.07  0.040 / 0.060