PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/13-15:28:10
G02     13.9           67.8                8.3 +/-    0.73       8.9 +/-    0.73  0.050 / 0.100
G05     158.0          47.8               12.0 +/-    0.58      15.6 +/-    0.58  0.050 / 0.100
G06     46.8           25.6                8.0 +/-    1.68      15.4 +/-    1.68  0.120 / 0.440
G12     241.0          80.0                8.8 +/-    0.73       8.9 +/-    0.73  0.100 / 0.470
G19     89.0           16.1                8.8 +/-    2.04      21.3 +/-    2.04  0.020 / 0.030
G24     218.5          12.4                9.1 +/-    4.00      24.1 +/-    4.00  0.030 / 0.030
G25     311.5          41.7                8.6 +/-    2.86      12.2 +/-    2.86  0.100 / 0.250
G29     296.8          17.9                6.6 +/-    1.84      15.4 +/-    1.84  0.080 / 0.210