PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/19-00:43:00
G01     318.0          20.5                6.4 +/-    1.69      14.0 +/-    1.69  0.220 / 0.290
G08     253.4          11.6               10.3 +/-    2.99      27.8 +/-    2.99  0.200 / 0.220
G10     84.7           51.1                7.8 +/-    1.12       9.7 +/-    1.12  0.040 / 0.040
G11     299.4          24.9                7.7 +/-    0.89      15.2 +/-    0.89  0.040 / 0.040
G14     304.7          70.8                7.3 +/-    0.43       7.7 +/-    0.43  0.200 / 0.290
G18     300.8          43.4                7.2 +/-    4.34       9.9 +/-    4.34  0.150 / 0.330
G20     107.9          26.9                9.3 +/-    0.81      17.4 +/-    0.81  0.080 / 0.190
G22     302.2          12.0                4.8 +/-    5.46      12.9 +/-    5.46  0.090 / 0.180
G31     174.7          46.0                9.6 +/-    1.10      12.8 +/-    1.10  0.210 / 0.260
G32     15.4           64.5                6.9 +/-    0.61       7.5 +/-    0.61  0.140 / 0.320