PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/08-01:12:20
G02     43.1           46.2                9.9 +/-    0.94      13.2 +/-    0.94  0.030 / 0.030
G05     108.4          68.6               12.1 +/-    1.01      12.8 +/-    1.01  0.030 / 0.040
G06     59.2           9.7                 9.3 +/-    3.55      26.1 +/-    3.55  0.040 / 0.040
G12     193.3          57.8               13.0 +/-    0.52      15.0 +/-    0.52  0.040 / 0.040
G25     276.2          58.4               19.1 +/-    0.54      22.0 +/-    0.54  0.040 / 0.030
G29     316.9          39.6               10.4 +/-    0.85      15.2 +/-    0.85  0.030 / 0.030