PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-00:58:00
G01     308.7          33.4                8.9 +/-    1.70      14.6 +/-    1.70  0.080 / 0.130
G10     103.5          40.0                9.3 +/-    0.54      13.5 +/-    0.54  0.080 / 0.110
G11     286.1          26.7                9.1 +/-    1.73      17.2 +/-    1.73  0.070 / 0.160
G14     344.2          68.8                8.5 +/-    0.59       9.1 +/-    0.59  0.060 / 0.150
G18     280.8          49.9                8.9 +/-    1.31      11.2 +/-    1.31  0.040 / 0.040
G20     119.2          15.2               10.1 +/-    1.09      24.9 +/-    1.09  0.050 / 0.050
G22     308.8          22.3                6.2 +/-    0.84      12.9 +/-    0.84  0.040 / 0.070
G25     86.0           15.4                7.3 +/-    1.67      18.1 +/-    1.67  0.040 / 0.060
G31     165.5          63.0               11.4 +/-    0.90      12.6 +/-    0.90  0.060 / 0.180
G32     33.3           54.3                7.4 +/-    0.32       8.9 +/-    0.32  0.060 / 0.170