PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/13-01:28:00
G02     55.8           35.2                9.7 +/-    1.40      15.3 +/-    1.40  0.040 / 0.060
G05     64.8           63.8               12.2 +/-    0.56      13.4 +/-    0.56  0.050 / 0.060
G12     187.3          40.2               12.9 +/-    1.35      18.7 +/-    1.35  0.140 / 0.310
G13     130.8          11.7               13.2 +/-    1.77      35.6 +/-    1.77  0.130 / 0.290
G21     268.0          14.9               10.2 +/-    1.66      25.5 +/-    1.66  0.080 / 0.350
G25     244.1          55.1               12.0 +/-    1.16      14.3 +/-    1.16  0.100 / 0.380
G29     328.1          53.0               10.4 +/-    0.71      12.7 +/-    0.71  0.050 / 0.080