PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-13:28:10
G02     211.0          53.3                8.6 +/-    0.71      10.4 +/-    0.71  0.050 / 0.070
G06     92.8           80.3                6.1 +/-    0.45       6.1 +/-    0.45  0.060 / 0.060
G12     316.2          29.5                5.1 +/-    0.96       9.1 +/-    0.96  0.070 / 0.110
G17     53.8           34.5                4.0 +/-    0.63       6.4 +/-    0.63  0.090 / 0.110
G19     34.1           52.0                5.0 +/-    0.36       6.1 +/-    0.36  0.030 / 0.030
G24     276.7          42.0                5.2 +/-    2.25       7.3 +/-    2.25  0.030 / 0.030
G28     118.6          17.8                7.7 +/-    1.66      18.0 +/-    1.66  0.090 / 0.370