PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-22:57:30
G01     319.2          18.8               15.4 +/-    2.24      34.9 +/-    2.24  0.140 / 0.200
G08     260.8          14.1               23.9 +/-    2.69      60.7 +/-    2.69  0.130 / 0.170
G10     79.1           52.1               14.3 +/-    0.89      17.6 +/-    0.89  0.030 / 0.050
G11     305.7          20.9               15.9 +/-    3.08      34.2 +/-    3.08  0.040 / 0.050
G14     285.2          68.8                9.8 +/-    0.58      10.4 +/-    0.58  0.130 / 0.370
G18     305.8          40.1               16.4 +/-    2.20      23.9 +/-    2.20  0.170 / 0.370
G20     105.1          28.6               15.3 +/-    0.89      27.6 +/-    0.89  0.060 / 0.110
G31     174.9          41.5               20.6 +/-    0.85      29.3 +/-    0.85  0.080 / 0.090
G32     6.6            68.2               14.6 +/-    0.88      15.6 +/-    0.88  0.040 / 0.040