PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-02:43:00
G08     267.7          19.1                8.8 +/-    1.39      19.9 +/-    1.39  0.030 / 0.040
G10     55.4           60.0                6.1 +/-    0.28       6.9 +/-    0.28  0.030 / 0.040
G11     311.6          17.6                6.0 +/-    1.27      14.1 +/-    1.27  0.070 / 0.340
G14     264.7          66.4                8.2 +/-    0.73       8.9 +/-    0.73  0.090 / 0.250
G18     89.1           38.5                7.8 +/-    0.58      11.6 +/-    0.58  0.100 / 0.130
G21     153.7          16.9                8.3 +/-    3.44      19.7 +/-    3.44  0.090 / 0.130
G24     41.2           13.0                5.7 +/-    2.56      15.0 +/-    2.56  0.040 / 0.060
G27     232.0          16.9               11.3 +/-    1.49      26.8 +/-    1.49  0.040 / 0.060
G31     179.5          27.2               10.4 +/-    1.06      19.3 +/-    1.06  0.090 / 0.290
G32     322.6          74.9                8.6 +/-    0.96       8.8 +/-    0.96  0.080 / 0.220