PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/28-16:42:20
G02     17.5           65.5                7.5 +/-    0.56       8.1 +/-    0.56  0.300 / 0.470
G05     154.1          52.0               11.0 +/-    1.38      13.6 +/-    1.38  0.290 / 0.410
G06     48.5           22.6                7.3 +/-    0.51      15.2 +/-    0.51  0.020 / 0.040
G12     223.8          77.9                7.5 +/-    0.64       7.6 +/-    0.64  0.020 / 0.040
G19     92.1           13.9                8.2 +/-    1.68      20.9 +/-    1.68  0.060 / 0.090
G24     215.8          9.9                 9.5 +/-   17.29      26.6 +/-   17.29  0.060 / 0.090
G25     308.8          45.0                7.6 +/-    1.63      10.2 +/-    1.63  0.030 / 0.050
G29     299.7          20.6                9.4 +/-    1.71      20.4 +/-    1.71  0.030 / 0.050