PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/06-01:12:50
G01     51.5           26.4                4.9 +/-    2.19       9.3 +/-    2.19  0.040 / 0.050
G06     179.1          22.4                8.2 +/-    1.35      17.0 +/-    1.35  0.030 / 0.050
G07     145.8          14.3                8.1 +/-    1.73      20.4 +/-    1.73  0.190 / 0.150
G11     46.0           19.1                4.3 +/-    2.98       9.7 +/-    2.98  0.160 / 0.140
G13     253.0          31.2                6.2 +/-    4.11      10.6 +/-    4.11  0.030 / 0.020
G15     284.6          16.2                7.1 +/-    1.15      17.1 +/-    1.15  0.020 / 0.030
G17     293.6          77.9                6.4 +/-    0.44       6.5 +/-    0.44  0.160 / 0.160
G19     244.4          58.7                5.9 +/-    0.99       6.8 +/-    0.99  0.090 / 0.170
G28     50.9           53.2                5.7 +/-    1.10       6.9 +/-    1.10  0.220 / 0.310
G30     148.0          39.5                8.7 +/-    0.85      12.8 +/-    0.85  0.170 / 0.290