PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/13-00:27:40
G01     313.2          29.0                9.4 +/-    2.98      16.8 +/-    2.98  0.120 / 0.170
G10     96.5           44.3                7.6 +/-    0.65      10.4 +/-    0.65  0.100 / 0.180
G11     292.9          25.8                6.9 +/-    1.43      13.2 +/-    1.43  0.090 / 0.140
G14     326.2          70.4                6.7 +/-    0.70       7.1 +/-    0.70  0.090 / 0.130
G18     290.5          47.9                7.1 +/-    0.97       9.1 +/-    0.97  0.040 / 0.050
G20     115.0          19.6                9.4 +/-    0.96      20.9 +/-    0.96  0.050 / 0.050
G22     306.3          17.5                7.2 +/-    2.40      16.8 +/-    2.40  0.160 / 0.400
G25     91.9           13.1                8.2 +/-    1.60      21.3 +/-    1.60  0.160 / 0.310
G31     169.9          56.1                8.6 +/-    1.84      10.2 +/-    1.84  0.040 / 0.070
G32     26.1           58.8                6.0 +/-    0.74       6.9 +/-    0.74  0.040 / 0.080