PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-10:12:50
G01     115.0          20.7                7.0 +/-    1.20      15.2 +/-    1.20  0.030 / 0.040
G07     92.3           63.5                5.8 +/-    0.87       6.4 +/-    0.87  0.030 / 0.040
G08     42.9           25.8                4.1 +/-    0.76       7.8 +/-    0.76  0.040 / 0.030
G09     173.4          17.6                6.3 +/-    1.14      14.8 +/-    1.14  0.030 / 0.040
G11     99.0           41.5                7.7 +/-    0.63      10.9 +/-    0.63  0.090 / 0.160
G13     315.1          23.3                3.1 +/-    1.90       6.4 +/-    1.90  0.090 / 0.130
G17     202.3          30.6                5.6 +/-    1.86       9.7 +/-    1.86  0.110 / 0.240
G18     88.1           22.3                5.5 +/-    2.16      11.4 +/-    2.16  0.110 / 0.210
G28     299.9          58.6                4.4 +/-    0.40       5.0 +/-    0.40  0.080 / 0.210
G30     351.6          71.5                5.4 +/-    0.71       5.7 +/-    0.71  0.080 / 0.270