PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/08-10:12:50
G01     118.3          18.5                6.0 +/-    1.44      13.7 +/-    1.44  0.030 / 0.040
G07     84.1           65.6                6.0 +/-    0.43       6.5 +/-    0.43  0.030 / 0.040
G08     44.0           29.0                2.0 +/-    0.72       3.5 +/-    0.72  0.030 / 0.040
G09     174.0          21.2                5.2 +/-    0.87      11.2 +/-    0.87  0.030 / 0.030
G11     104.0          40.4                7.5 +/-    0.60      10.9 +/-    0.60  0.150 / 0.230
G13     317.1          20.5                2.9 +/-    4.12       6.3 +/-    4.12  0.150 / 0.240
G17     201.4          26.8                6.1 +/-    1.43      11.5 +/-    1.43  0.110 / 0.230
G18     92.0           21.1                5.7 +/-    1.24      12.2 +/-    1.24  0.100 / 0.230
G28     293.2          57.3                4.9 +/-    1.15       5.7 +/-    1.15  0.120 / 0.280
G30     345.0          68.4                2.8 +/-    0.91       3.0 +/-    0.91  0.100 / 0.280