PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/06-02:28:10
G01     318.5          18.9                9.0 +/-    2.02      20.5 +/-    2.02  0.040 / 0.040
G08     254.9          12.6               11.8 +/-    2.23      31.0 +/-    2.23  0.030 / 0.020
G10     80.3           53.6                8.4 +/-    1.20      10.2 +/-    1.20  0.170 / 0.200
G11     300.8          25.1                7.9 +/-    2.02      15.5 +/-    2.02  0.180 / 0.170
G14     305.2          71.5                7.7 +/-    0.81       8.0 +/-    0.81  0.110 / 0.160
G18     102.3          29.0                7.4 +/-    1.24      13.3 +/-    1.24  0.040 / 0.070
G22     300.8          11.0                0.7 +/-    5.91       2.0 +/-    5.91  0.040 / 0.060
G31     177.3          41.7                8.5 +/-    0.79      12.0 +/-    0.79  0.040 / 0.050
G32     3.6            68.1                6.9 +/-    0.46       7.4 +/-    0.46  0.040 / 0.050