PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/06-16:42:30
G02     36.1           52.3                8.7 +/-    0.42      10.6 +/-    0.42  0.040 / 0.050
G05     130.0          66.6                9.5 +/-    0.70      10.3 +/-    0.70  0.040 / 0.060
G06     57.2           10.2                7.2 +/-    4.10      20.1 +/-    4.10  0.030 / 0.050
G12     191.7          61.0               10.7 +/-    1.11      12.0 +/-    1.11  0.040 / 0.060
G25     287.7          56.0                8.5 +/-    0.70      10.1 +/-    0.70  0.050 / 0.060
G29     311.3          32.3                7.9 +/-    0.91      13.2 +/-    0.91  0.040 / 0.050