PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/08-02:42:40
G01     313.8          26.7                3.4 +/-    2.28       6.4 +/-    2.28  0.080 / 0.160
G10     94.6           47.5               15.7 +/-    0.78      20.4 +/-    0.78  0.090 / 0.160
G11     290.6          28.4               12.7 +/-    1.98      23.1 +/-    1.98  0.100 / 0.130
G14     337.3          70.3               15.0 +/-    0.78      15.8 +/-    0.78  0.100 / 0.150
G18     110.4          21.9               14.4 +/-    1.71      30.2 +/-    1.71  0.030 / 0.050
G22     305.6          18.2                4.1 +/-    1.18       9.4 +/-    1.18  0.030 / 0.040
G25     88.0           13.1                7.9 +/-    1.14      20.5 +/-    1.14  0.040 / 0.050
G31     174.8          52.9               16.2 +/-    0.84      19.7 +/-    0.84  0.030 / 0.040
G32     21.0           61.1               12.7 +/-    0.54      14.3 +/-    0.54  0.050 / 0.050