PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/25-02:43:00
G01     281.1          41.3                5.7 +/-    1.53       8.2 +/-    1.53  0.060 / 0.070
G03     313.8          20.9                5.1 +/-    4.80      10.9 +/-    4.80  0.080 / 0.070
G10     124.9          24.0                6.8 +/-    1.19      13.7 +/-    1.19  0.050 / 0.080
G11     256.0          24.3                8.7 +/-    1.60      17.3 +/-    1.60  0.060 / 0.090
G14     36.0           53.5                4.6 +/-    0.40       5.5 +/-    0.40  0.050 / 0.070
G22     314.4          44.0                4.4 +/-    0.98       6.0 +/-    0.98  0.050 / 0.060
G25     57.1           17.2                4.7 +/-    0.37      11.0 +/-    0.37  0.060 / 0.070
G26     155.6          17.1                8.8 +/-    0.81      20.7 +/-    0.81  0.050 / 0.050
G31     98.7           81.3                4.9 +/-    1.00       5.0 +/-    1.00  0.030 / 0.040
G32     55.3           39.9                3.7 +/-    0.76       5.5 +/-    0.76  0.020 / 0.030