PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/16-03:27:50
G08     265.8          18.3                9.9 +/-    1.49      22.8 +/-    1.49  0.030 / 0.030
G10     59.0           59.3                5.8 +/-    0.72       6.6 +/-    0.72  0.030 / 0.030
G11     310.3          18.9                9.2 +/-    0.82      20.7 +/-    0.82  0.160 / 0.290
G14     269.2          67.5                7.1 +/-    0.70       7.6 +/-    0.70  0.170 / 0.360
G18     90.8           37.6                6.6 +/-    0.62      10.0 +/-    0.62  0.160 / 0.180
G21     154.1          15.3                7.5 +/-    2.85      18.6 +/-    2.85  0.130 / 0.190
G24     40.4           11.7                6.6 +/-    0.86      17.7 +/-    0.86  0.040 / 0.050
G27     230.6          15.6               10.8 +/-    2.17      26.5 +/-    2.17  0.040 / 0.050
G31     178.8          29.5               10.8 +/-    0.93      19.1 +/-    0.93  0.100 / 0.230
G32     331.4          74.4                7.7 +/-    0.86       8.0 +/-    0.86  0.110 / 0.210