PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/19-00:42:40
G01     318.0          20.5                5.6 +/-    6.25      12.2 +/-    6.25  0.160 / 0.400
G08     253.4          11.6                8.8 +/-    2.24      23.7 +/-    2.24  0.180 / 0.290
G10     84.7           51.1                8.8 +/-    0.77      10.9 +/-    0.77  0.170 / 0.250
G11     299.4          24.9                8.5 +/-    1.47      16.7 +/-    1.47  0.140 / 0.290
G14     304.7          70.8                7.8 +/-    0.78       8.2 +/-    0.78  0.040 / 0.050
G18     300.8          43.4                7.4 +/-    0.83      10.3 +/-    0.83  0.040 / 0.060
G20     107.9          26.9               10.0 +/-    1.46      18.7 +/-    1.46  0.140 / 0.530
G22     302.2          12.0                6.3 +/-    2.43      16.8 +/-    2.43  0.140 / 0.400
G31     174.7          46.0               10.1 +/-    1.45      13.4 +/-    1.45  0.080 / 0.260
G32     15.4           64.5                6.0 +/-    0.54       6.5 +/-    0.54  0.080 / 0.230