PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-11:27:20
G02     40.1           48.5                4.8 +/-    2.21       6.2 +/-    2.21  0.030 / 0.030
G05     133.4          66.4                7.2 +/-    1.08       7.8 +/-    1.08  0.030 / 0.030
G06     57.0           10.4                5.5 +/-    1.43      15.3 +/-    1.43  0.050 / 0.090
G12     187.3          58.7                8.5 +/-    0.43       9.8 +/-    0.43  0.050 / 0.110
G25     286.3          56.7               10.3 +/-    1.99      12.1 +/-    1.99  0.050 / 0.060
G29     311.0          31.8                5.4 +/-    2.09       9.1 +/-    2.09  0.060 / 0.070