PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-02:13:00
G01     318.4          19.0                6.9 +/-    1.53      15.6 +/-    1.53  0.040 / 0.020
G08     254.8          12.5                8.9 +/-    1.22      23.4 +/-    1.22  0.040 / 0.030
G10     80.6           53.5                8.3 +/-    0.49      10.0 +/-    0.49  0.140 / 0.260
G11     300.7          25.1                4.9 +/-    1.43       9.6 +/-    1.43  0.130 / 0.220
G14     305.6          71.5                6.6 +/-    0.68       7.0 +/-    0.68  0.170 / 0.150
G18     102.5          28.8                7.6 +/-    1.10      13.6 +/-    1.10  0.170 / 0.200
G22     300.9          11.0                1.0 +/-    5.45       2.8 +/-    5.45  0.060 / 0.060
G31     177.4          41.8                7.9 +/-    0.73      11.2 +/-    0.73  0.070 / 0.060
G32     3.5            68.0                6.3 +/-    0.38       6.8 +/-    0.38  0.040 / 0.050