PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/13-00:42:50
G01     308.1          33.8                7.8 +/-    1.90      12.7 +/-    1.90  0.070 / 0.180
G10     104.1          39.6                7.7 +/-    0.49      11.2 +/-    0.49  0.060 / 0.120
G11     285.5          26.7                7.1 +/-    1.80      13.3 +/-    1.80  0.060 / 0.130
G14     345.4          68.6                6.8 +/-    0.77       7.2 +/-    0.77  0.070 / 0.120
G18     279.8          50.0                6.6 +/-    1.08       8.3 +/-    1.08  0.040 / 0.040
G20     119.6          14.6                8.3 +/-    1.10      21.0 +/-    1.10  0.050 / 0.050
G22     309.1          22.7                4.4 +/-    1.08       9.1 +/-    1.08  0.080 / 0.170
G25     85.4           15.6                6.6 +/-    1.69      16.1 +/-    1.69  0.060 / 0.180
G31     165.0          63.6                8.8 +/-    1.11       9.7 +/-    1.11  0.040 / 0.080
G32     34.1           53.8                6.4 +/-    0.55       7.7 +/-    0.55  0.040 / 0.070