PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-01:57:10
G02     41.7           47.9               11.2 +/-    1.27      14.5 +/-    1.27  0.020 / 0.050
G05     114.7          67.9               13.2 +/-    0.37      14.1 +/-    0.37  0.040 / 0.040
G12     191.4          57.9               15.0 +/-    0.74      17.4 +/-    0.74  0.030 / 0.030
G25     282.9          57.1               13.5 +/-    2.54      15.8 +/-    2.54  0.030 / 0.030
G29     313.0          33.9                9.8 +/-    1.03      15.9 +/-    1.03  0.040 / 0.040