PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-00:27:20
G02     28.5           58.9               10.6 +/-    0.96      12.1 +/-    0.96  0.030 / 0.030
G05     144.8          57.9               13.8 +/-    0.82      15.9 +/-    0.82  0.020 / 0.030
G06     50.0           21.7                9.6 +/-    3.05      20.4 +/-    3.05  0.090 / 0.110
G12     217.6          74.9               11.0 +/-    0.41      11.4 +/-    0.41  0.060 / 0.080
G19     95.6           12.2               13.2 +/-    1.42      35.1 +/-    1.42  0.030 / 0.030
G25     303.5          50.1                9.8 +/-    3.10      12.4 +/-    3.10  0.030 / 0.030
G29     305.0          27.1               10.6 +/-    1.85      19.8 +/-    1.85  0.120 / 0.330