PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/17-02:27:50
G01     306.5          33.5                7.0 +/-    0.92      11.4 +/-    0.92  0.060 / 0.150
G10     106.2          40.7                8.1 +/-    0.39      11.7 +/-    0.39  0.070 / 0.150
G11     279.7          29.3                9.4 +/-    1.82      16.7 +/-    1.82  0.060 / 0.100
G14     1.7            66.1                8.0 +/-    0.74       8.7 +/-    0.74  0.060 / 0.100
G18     117.4          14.4                6.9 +/-    2.84      17.3 +/-    2.84  0.030 / 0.030
G22     309.6          25.6                6.1 +/-    0.93      11.7 +/-    0.93  0.040 / 0.050
G25     78.7           16.2                6.4 +/-    1.20      15.4 +/-    1.20  0.030 / 0.040
G31     170.6          63.8                9.9 +/-    0.74      10.9 +/-    0.74  0.020 / 0.040
G32     33.3           54.4                6.5 +/-    0.44       7.8 +/-    0.44  0.110 / 0.270