PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/06-01:42:50
G01     226.4          17.2                9.3 +/-    9.66      21.9 +/-    9.66  0.030 / 0.030
G03     289.8          66.3                2.7 +/-    0.99       2.9 +/-    0.99  0.030 / 0.040
G14     87.0           23.5                2.2 +/-    1.20       4.5 +/-    1.20  0.040 / 0.070
G16     154.1          41.9               15.2 +/-    8.18      21.4 +/-    8.18  0.040 / 0.090
G22     220.3          71.4                3.4 +/-    2.41       3.6 +/-    2.41  0.100 / 0.330
G23     306.3          35.8                3.1 +/-    0.99       4.9 +/-    0.99  0.130 / 0.300
G26     105.1          55.1               13.6 +/-    8.24      16.2 +/-    8.24  0.040 / 0.080
G31     43.7           36.4                9.0 +/-    8.13      13.9 +/-    8.13  0.040 / 0.080