PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/08-15:27:50
G02     234.0          68.9               10.4 +/-    1.42      11.1 +/-    1.42  0.060 / 0.130
G05     174.3          12.9               13.0 +/-    2.37      33.9 +/-    2.37  0.080 / 0.140
G06     41.3           59.2                9.5 +/-    0.43      10.8 +/-    0.43  0.050 / 0.240
G12     322.5          53.8                9.0 +/-    1.10      10.9 +/-    1.10  0.050 / 0.270
G17     69.9           22.4                7.9 +/-    0.86      16.5 +/-    0.86  0.030 / 0.050
G19     51.0           43.6                8.7 +/-    0.44      12.0 +/-    0.44  0.040 / 0.060
G24     244.6          35.7               11.2 +/-    1.22      17.5 +/-    1.22  0.030 / 0.030
G25     316.2          12.2                6.0 +/-    3.43      15.9 +/-    3.43  0.030 / 0.040