PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/14-01:13:00
G01     41.5           16.8                6.0 +/-    2.31      14.3 +/-    2.31  0.040 / 0.060
G06     176.0          37.8               10.1 +/-    1.09      15.2 +/-    1.09  0.050 / 0.050
G13     238.7          22.3                9.0 +/-    2.10      18.7 +/-    2.10  0.230 / 0.190
G15     270.7          12.6                7.7 +/-    1.57      20.4 +/-    1.57  0.190 / 0.150
G17     352.3          72.2                7.7 +/-    0.46       8.0 +/-    0.46  0.050 / 0.080
G19     276.2          68.8                6.7 +/-    0.67       7.2 +/-    0.67  0.050 / 0.070
G24     316.9          18.4                6.9 +/-    2.31      15.9 +/-    2.31  0.030 / 0.020
G28     71.7           46.6                7.4 +/-    1.93       9.8 +/-    1.93  0.020 / 0.030
G30     153.5          25.1               10.3 +/-    1.09      20.1 +/-    1.09  0.060 / 0.130