PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-14:27:00
G02     41.0           48.0                6.8 +/-    0.83       8.8 +/-    0.83  0.030 / 0.030
G05     126.4          68.4                9.2 +/-    0.91       9.8 +/-    0.91  0.030 / 0.030
G12     187.8          56.2                8.1 +/-    0.73       9.6 +/-    0.73  0.050 / 0.050
G25     281.2          57.3               12.8 +/-    0.98      14.9 +/-    0.98  0.040 / 0.050
G29     313.3          34.4                4.7 +/-    0.67       7.6 +/-    0.67  0.040 / 0.040