PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/26-21:57:40
G01     319.5          17.1                7.8 +/-    2.62      18.3 +/-    2.62  0.340 / 0.440
G08     256.5          13.8               11.9 +/-    1.86      30.5 +/-    1.86  0.210 / 0.470
G10     78.3           53.3               10.5 +/-    0.55      12.7 +/-    0.55  0.130 / 0.220
G11     303.1          23.3                9.9 +/-    2.13      20.2 +/-    2.13  0.120 / 0.170
G14     293.2          70.5               13.0 +/-    0.56      13.7 +/-    0.56  0.040 / 0.050
G18     304.5          41.2               11.7 +/-    1.27      16.7 +/-    1.27  0.040 / 0.050
G20     104.4          29.8               12.2 +/-    0.87      21.4 +/-    0.87  0.080 / 0.230
G27     226.2          9.9                16.9 +/-    7.29      47.4 +/-    7.29  0.080 / 0.250
G31     177.1          39.9               16.6 +/-    1.73      24.2 +/-    1.73  0.180 / 0.250
G32     6.2            68.1               12.2 +/-    0.71      13.0 +/-    0.71  0.160 / 0.280