PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-12:58:00
G01     310.9          30.7                4.6 +/-    0.74       8.0 +/-    0.74  0.110 / 0.120
G10     101.0          42.3                4.2 +/-    1.17       5.8 +/-    1.17  0.090 / 0.110
G11     285.8          28.0                2.1 +/-    1.88       3.9 +/-    1.88  0.040 / 0.050
G14     348.1          68.9                2.8 +/-    1.31       3.0 +/-    1.31  0.050 / 0.050
G18     281.1          50.7                7.1 +/-    0.67       8.8 +/-    0.67  0.080 / 0.110
G20     117.6          17.3                4.8 +/-    1.06      11.3 +/-    1.06  0.080 / 0.150
G22     309.0          25.3                2.9 +/-    0.91       5.6 +/-    0.91  0.050 / 0.030
G25     85.1           14.5                5.2 +/-    3.33      13.0 +/-    3.33  0.050 / 0.020
G31     173.1          57.8                6.1 +/-    0.88       7.1 +/-    0.88  0.120 / 0.120
G32     24.7           59.3                3.4 +/-    1.20       3.8 +/-    1.20  0.100 / 0.170