PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/03-22:57:30
G02     33.2           54.9                9.3 +/-    0.66      11.1 +/-    0.66  0.040 / 0.060
G05     136.5          62.6               11.4 +/-    0.79      12.6 +/-    0.79  0.040 / 0.060
G06     53.2           16.5                7.9 +/-    1.82      18.9 +/-    1.82  0.030 / 0.050
G12     203.8          69.6                9.9 +/-    1.29      10.5 +/-    1.29  0.020 / 0.040
G25     296.8          53.4                9.2 +/-    1.11      11.2 +/-    1.11  0.030 / 0.040
G29     308.4          30.1                9.2 +/-    1.18      16.0 +/-    1.18  0.030 / 0.060