PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-17:42:50
G02     15.4           66.9                7.8 +/-    0.79       8.4 +/-    0.79  0.060 / 0.110
G05     155.3          49.9               10.9 +/-    1.02      13.7 +/-    1.02  0.050 / 0.110
G06     47.3           24.8                7.9 +/-    0.50      15.4 +/-    0.50  0.030 / 0.040
G12     240.1          79.3                7.8 +/-    0.91       7.9 +/-    0.91  0.020 / 0.030
G19     90.0           15.5                8.2 +/-    1.82      20.2 +/-    1.82  0.100 / 0.370
G24     217.2          11.4                9.8 +/-    3.69      26.4 +/-    3.69  0.130 / 0.300
G25     310.7          42.9                7.6 +/-    2.17      10.5 +/-    2.17  0.040 / 0.050
G29     298.1          19.3                8.8 +/-    1.31      19.7 +/-    1.31  0.030 / 0.040