PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/27-02:43:00
G08     265.9          18.3                8.1 +/-    1.91      18.5 +/-    1.91  0.160 / 0.200
G10     59.1           59.3                6.8 +/-    0.60       7.8 +/-    0.60  0.130 / 0.290
G11     310.4          18.7                8.1 +/-    2.13      18.5 +/-    2.13  0.020 / 0.070
G14     269.1          67.5                7.3 +/-    0.56       7.9 +/-    0.56  0.020 / 0.030
G18     91.0           37.3                7.0 +/-    0.92      10.7 +/-    0.92  0.170 / 0.370
G21     154.0          15.1                6.9 +/-    2.90      17.3 +/-    2.90  0.160 / 0.390
G24     40.4           11.7                7.2 +/-    1.26      19.5 +/-    1.26  0.090 / 0.220
G27     230.6          15.6                8.8 +/-    1.42      21.5 +/-    1.42  0.120 / 0.210
G31     179.2          29.1                9.3 +/-    0.68      16.7 +/-    0.68  0.040 / 0.050
G32     329.7          74.4                8.3 +/-    0.47       8.6 +/-    0.47  0.040 / 0.060