PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/09-01:28:10
G01     42.5           18.2                5.5 +/-    2.78      12.5 +/-    2.78  0.040 / 0.060
G06     176.6          35.5                9.9 +/-    1.49      15.5 +/-    1.49  0.040 / 0.050
G13     240.5          23.6               10.2 +/-    2.04      20.7 +/-    2.04  0.170 / 0.390
G15     272.5          13.3                8.3 +/-    1.44      21.6 +/-    1.44  0.270 / 0.310
G17     347.7          73.4                8.1 +/-    0.31       8.4 +/-    0.31  0.060 / 0.100
G19     270.8          67.8                7.5 +/-    0.53       8.0 +/-    0.53  0.060 / 0.090
G24     317.5          16.7                6.6 +/-    3.98      15.7 +/-    3.98  0.020 / 0.030
G28     69.0           47.6                7.6 +/-    1.67       9.9 +/-    1.67  0.020 / 0.030
G30     152.9          26.8                8.9 +/-    1.91      16.6 +/-    1.91  0.180 / 0.240