PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/31-02:58:00
G01     317.7          20.5                7.3 +/-    3.58      15.9 +/-    3.58  0.020 / 0.020
G08     253.1          11.6               11.6 +/-    3.82      31.3 +/-    3.82  0.030 / 0.020
G10     83.4           52.5                6.3 +/-    0.77       7.7 +/-    0.77  0.460 / 0.320
G11     298.8          26.0                7.3 +/-    2.53      14.0 +/-    2.53  0.190 / 0.200
G14     312.0          71.6                5.7 +/-    0.52       5.9 +/-    0.52  0.220 / 0.290
G18     103.9          27.8                6.4 +/-    2.30      11.7 +/-    2.30  0.300 / 0.230
G22     301.8          12.6                6.2 +/-    5.13      16.5 +/-    5.13  0.040 / 0.040
G25     95.0           9.7                -9.3 +/-   29.27     -26.2 +/-   29.27  0.040 / 0.040
G31     176.6          44.2                7.6 +/-    0.97      10.4 +/-    0.97  0.220 / 0.290
G32     8.2            66.6                4.9 +/-    0.41       5.3 +/-    0.41  0.210 / 0.280