PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/09-01:42:40
G01     313.8          27.2                5.8 +/-    1.38      10.8 +/-    1.38  0.070 / 0.130
G10     96.2           45.7                8.7 +/-    0.94      11.6 +/-    0.94  0.070 / 0.160
G11     290.6          27.4                6.9 +/-    1.19      12.7 +/-    1.19  0.080 / 0.150
G14     331.1          70.2                8.1 +/-    0.99       8.5 +/-    0.99  0.120 / 0.220
G18     290.0          47.9                8.5 +/-    0.95      11.0 +/-    0.95  0.040 / 0.050
G20     114.5          20.7                9.3 +/-    1.37      20.2 +/-    1.37  0.040 / 0.050
G22     306.2          18.5                7.4 +/-    2.10      16.9 +/-    2.10  0.340 / 0.290
G25     88.9           13.3                8.7 +/-    2.08      22.6 +/-    2.08  0.120 / 0.190
G31     171.0          55.9               10.6 +/-    1.40      12.5 +/-    1.40  0.070 / 0.240
G32     27.7           57.9                7.1 +/-    0.55       8.2 +/-    0.55  0.060 / 0.170