PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/04-22:27:40
G01     317.9          20.3                9.5 +/-    2.85      20.7 +/-    2.85  0.190 / 0.260
G08     254.0          11.6               13.1 +/-    3.24      35.3 +/-    3.24  0.220 / 0.290
G10     83.6           52.3                8.6 +/-    0.93      10.6 +/-    0.93  0.070 / 0.060
G11     300.1          24.9               10.1 +/-    0.88      19.8 +/-    0.88  0.050 / 0.060
G14     309.5          71.4                9.9 +/-    0.43      10.4 +/-    0.43  0.210 / 0.270
G18     104.6          26.3                8.4 +/-    1.90      16.0 +/-    1.90  0.260 / 0.220
G22     301.7          11.7                7.3 +/-   13.83      19.5 +/-   13.83  0.020 / 0.020
G31     178.9          41.9               11.5 +/-    1.12      16.3 +/-    1.12  0.030 / 0.020
G32     7.7            66.7                9.0 +/-    0.67       9.7 +/-    0.67  0.040 / 0.030