PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/17-00:12:50
G01     312.8          29.5                7.3 +/-    1.09      12.8 +/-    1.09  0.150 / 0.120
G10     97.2           43.8                8.0 +/-    0.79      11.0 +/-    0.79  0.100 / 0.120
G11     292.4          25.8                6.7 +/-    2.03      12.8 +/-    2.03  0.040 / 0.050
G14     327.7          70.3                6.3 +/-    1.10       6.7 +/-    1.10  0.050 / 0.040
G18     289.6          48.2                5.5 +/-   11.70       7.2 +/-   11.70  0.050 / 0.060
G20     115.5          19.1                6.8 +/-    1.26      15.3 +/-    1.26  0.080 / 0.070
G22     306.6          17.9                8.1 +/-    2.30      18.7 +/-    2.30  0.170 / 0.320
G25     91.3           13.4                6.7 +/-    2.81      17.2 +/-    2.81  0.180 / 0.360
G31     169.6          56.7                7.7 +/-    0.60       9.0 +/-    0.60  0.050 / 0.050
G32     27.1           58.3                6.2 +/-    0.86       7.1 +/-    0.86  0.040 / 0.050