PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-03:13:10
G01     318.5          18.9                7.4 +/-    1.96      16.8 +/-    1.96  0.030 / 0.030
G08     254.8          12.6               10.0 +/-    1.70      26.4 +/-    1.70  0.030 / 0.040
G10     80.3           53.6                5.8 +/-    0.62       7.1 +/-    0.62  0.170 / 0.370
G11     300.6          25.2                7.9 +/-    0.93      15.4 +/-    0.93  0.120 / 0.470
G14     305.4          71.5                6.6 +/-    0.53       7.0 +/-    0.53  0.150 / 0.200
G18     102.2          29.3                6.5 +/-    1.73      11.6 +/-    1.73  0.120 / 0.250
G22     300.9          11.3                2.0 +/-    9.90       5.6 +/-    9.90  0.050 / 0.050
G31     176.8          42.2               10.1 +/-    0.66      14.2 +/-    0.66  0.050 / 0.050
G32     4.7            67.8                6.9 +/-    0.52       7.4 +/-    0.52  0.040 / 0.060