PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/02-17:57:30
G02     352.9          75.6                6.9 +/-    0.52       7.1 +/-    0.52  0.060 / 0.120
G05     162.3          38.3                8.8 +/-    0.63      13.2 +/-    0.63  0.060 / 0.090
G06     42.8           35.0                6.8 +/-    1.15      10.8 +/-    1.15  0.030 / 0.040
G12     302.2          74.9                6.6 +/-    0.96       6.8 +/-    0.96  0.030 / 0.040
G17     88.2           11.4                8.4 +/-    2.04      22.8 +/-    2.04  0.030 / 0.030
G19     79.9           22.6                7.3 +/-    1.04      15.1 +/-    1.04  0.030 / 0.030
G24     225.2          19.2                9.1 +/-    1.19      20.4 +/-    1.19  0.120 / 0.300
G25     316.0          32.5                7.7 +/-    0.84      12.9 +/-    0.84  0.110 / 0.290
G29     289.5          12.1               11.5 +/-    1.37      30.8 +/-    1.37  0.050 / 0.080