PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/08-15:28:00
G02     234.0          68.9                9.7 +/-    0.60      10.4 +/-    0.60  0.170 / 0.280
G05     174.3          12.9               12.1 +/-    3.77      31.6 +/-    3.77  0.180 / 0.260
G06     41.3           59.2               10.1 +/-    0.42      11.6 +/-    0.42  0.030 / 0.050
G12     322.5          53.8                9.3 +/-    0.55      11.2 +/-    0.55  0.040 / 0.040
G17     69.9           22.4                8.4 +/-    1.27      17.4 +/-    1.27  0.170 / 0.350
G19     51.0           43.6               10.0 +/-    1.15      13.8 +/-    1.15  0.200 / 0.410
G24     244.6          35.7               11.5 +/-    1.66      17.9 +/-    1.66  0.100 / 0.110
G25     316.2          12.2                4.0 +/-   22.49      10.6 +/-   22.49  0.110 / 0.080