PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-14:28:00
G03     202.3          47.5                9.1 +/-    1.11      11.9 +/-    1.11  0.080 / 0.130
G07     264.6          20.7                8.3 +/-    2.83      17.9 +/-    2.83  0.070 / 0.120
G09     314.7          36.0                7.1 +/-    0.78      11.1 +/-    0.78  0.100 / 0.260
G16     68.7           60.9                7.4 +/-    0.66       8.3 +/-    0.66  0.120 / 0.210
G22     182.0          28.6                7.9 +/-    1.36      14.2 +/-    1.36  0.030 / 0.030
G23     351.3          72.2                7.5 +/-    0.78       7.8 +/-    0.78  0.030 / 0.040
G26     46.6           33.6                6.9 +/-    2.22      11.2 +/-    2.22  0.040 / 0.040
G27     126.5          17.3                8.2 +/-    2.37      19.3 +/-    2.37  0.040 / 0.040