PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/02-17:42:30
G02     29.1           58.4                8.6 +/-    0.50      10.0 +/-    0.50  0.030 / 0.030
G05     141.8          61.5               11.3 +/-    0.72      12.6 +/-    0.72  0.030 / 0.040
G06     54.2           14.0                8.1 +/-    1.54      20.7 +/-    1.54  0.030 / 0.040
G12     188.5          64.5                8.5 +/-    0.71       9.3 +/-    0.71  0.030 / 0.050
G19     98.3           13.2                9.5 +/-    1.63      24.8 +/-    1.63  0.150 / 0.280
G25     296.4          54.3                8.9 +/-    0.66      10.7 +/-    0.66  0.100 / 0.220
G29     306.3          26.3                6.5 +/-    1.67      12.3 +/-    1.67  0.040 / 0.050