PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/21-01:27:50
G01     318.4          19.0                7.9 +/-    1.54      17.9 +/-    1.54  0.130 / 0.370
G08     254.9          12.5               10.1 +/-    1.24      26.6 +/-    1.24  0.160 / 0.440
G10     80.6           53.5                6.8 +/-    1.13       8.3 +/-    1.13  0.180 / 0.250
G11     300.9          24.9                8.9 +/-    2.18      17.4 +/-    2.18  0.180 / 0.260
G14     305.3          71.5                6.6 +/-    0.51       6.9 +/-    0.51  0.040 / 0.020
G18     102.6          28.5                6.3 +/-    0.71      11.4 +/-    0.71  0.030 / 0.030
G22     300.8          10.8                0.4 +/-    8.48       1.0 +/-    8.48  0.050 / 0.060
G31     177.9          41.3                9.5 +/-    0.96      13.5 +/-    0.96  0.060 / 0.050
G32     2.3            68.3                6.9 +/-    0.62       7.4 +/-    0.62  0.030 / 0.040