PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/06-09:58:10
G01     126.5          12.1                4.9 +/-    3.30      13.0 +/-    3.30  0.040 / 0.030
G07     56.7           69.2                5.5 +/-    0.47       5.9 +/-    0.47  0.040 / 0.030
G08     49.0           37.4                4.6 +/-    1.00       7.0 +/-    1.00  0.200 / 0.320
G09     174.9          31.4                5.8 +/-    0.74       9.8 +/-    0.74  0.200 / 0.370
G11     116.1          35.9                7.7 +/-    1.13      12.0 +/-    1.13  0.090 / 0.290
G13     320.8          12.6                3.7 +/-    3.71       9.6 +/-    3.71  0.120 / 0.360
G17     199.5          16.8                4.0 +/-    1.87       9.6 +/-    1.87  0.030 / 0.030
G18     101.9          17.0                5.4 +/-    2.04      12.8 +/-    2.04  0.030 / 0.030
G28     276.5          52.7                4.7 +/-    3.96       5.8 +/-    3.96  0.110 / 0.250
G30     331.8          60.0                4.4 +/-    0.27       5.0 +/-    0.27  0.110 / 0.170