PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-16:28:00
G02     37.0           51.6                9.2 +/-    0.84      11.4 +/-    0.84  0.040 / 0.070
G05     129.0          67.0                9.6 +/-    0.78      10.4 +/-    0.78  0.040 / 0.060
G12     191.1          60.2                8.8 +/-    0.91      10.0 +/-    0.91  0.030 / 0.050
G25     286.5          56.3                8.7 +/-    0.71      10.3 +/-    0.71  0.030 / 0.050
G29     311.7          32.7                7.9 +/-    0.89      13.0 +/-    0.89  0.040 / 0.040