PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-14:28:10
G02     35.1           53.0                7.3 +/-    1.52       8.9 +/-    1.52  0.030 / 0.030
G05     140.4          63.8                9.0 +/-    0.88       9.9 +/-    0.88  0.030 / 0.040
G06     55.3           12.3                4.4 +/-    2.84      11.6 +/-    2.84  0.080 / 0.130
G12     191.6          63.6                7.5 +/-    0.66       8.3 +/-    0.66  0.160 / 0.150
G25     292.9          54.6                8.1 +/-    2.37       9.6 +/-    2.37  0.030 / 0.040
G29     308.9          29.5                6.7 +/-    1.71      11.8 +/-    1.71  0.030 / 0.050