PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/15-00:12:50
G01     315.0          26.7                8.7 +/-    1.32      16.4 +/-    1.32  0.170 / 0.160
G10     92.7           46.3                9.9 +/-    1.15      13.1 +/-    1.15  0.150 / 0.150
G11     296.2          24.9                8.0 +/-    1.07      15.7 +/-    1.07  0.040 / 0.050
G14     316.5          70.7                8.6 +/-    0.68       9.0 +/-    0.68  0.040 / 0.050
G18     294.8          46.4                9.9 +/-    4.82      13.1 +/-    4.82  0.050 / 0.090
G20     112.8          21.9               10.2 +/-    2.07      21.4 +/-    2.07  0.080 / 0.070
G22     304.9          15.2                8.5 +/-    2.63      21.0 +/-    2.63  0.160 / 0.300
G25     94.8           11.8               10.7 +/-    3.22      28.6 +/-    3.22  0.150 / 0.300
G31     171.5          52.6                2.8 +/-    0.56       3.4 +/-    0.56  0.030 / 0.050
G32     22.2           61.1                8.5 +/-    0.67       9.6 +/-    0.67  0.030 / 0.040