PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/26-15:12:20
G02     34.1           53.9                6.2 +/-    1.24       7.4 +/-    1.24  0.050 / 0.050
G05     140.0          63.6                7.4 +/-    0.52       8.1 +/-    0.52  0.050 / 0.050
G06     55.1           12.7                3.5 +/-    4.08       9.2 +/-    4.08  0.030 / 0.030
G12     192.9          64.5                6.2 +/-    0.34       6.8 +/-    0.34  0.030 / 0.030
G25     293.7          54.3                5.6 +/-    2.31       6.8 +/-    2.31  0.080 / 0.130
G29     308.6          29.3                5.6 +/-    0.62      10.0 +/-    0.62  0.140 / 0.140