PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/23-23:42:40
G01     313.1          29.1                6.4 +/-    1.07      11.5 +/-    1.07  0.080 / 0.100
G10     96.5           44.2                8.7 +/-    1.05      11.8 +/-    1.05  0.130 / 0.120
G11     293.2          25.6                7.8 +/-    1.08      15.0 +/-    1.08  0.040 / 0.050
G14     325.0          70.3                7.7 +/-    0.78       8.2 +/-    0.78  0.040 / 0.040
G18     290.5          47.9                9.3 +/-    8.40      12.1 +/-    8.40  0.050 / 0.060
G20     115.1          19.4                7.7 +/-    1.62      17.3 +/-    1.62  0.050 / 0.080
G22     306.3          17.4                8.0 +/-    1.50      18.8 +/-    1.50  0.030 / 0.030
G25     91.9           13.1                8.2 +/-    3.88      21.2 +/-    3.88  0.030 / 0.030
G31     170.1          56.0                9.8 +/-    0.82      11.6 +/-    0.82  0.180 / 0.270
G32     26.5           58.6                7.0 +/-    0.81       8.1 +/-    0.81  0.200 / 0.220