PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/10-03:57:50
G02     41.3           48.2                6.0 +/-    1.57       7.8 +/-    1.57  0.040 / 0.040
G05     117.8          67.3                7.7 +/-    0.55       8.2 +/-    0.55  0.030 / 0.030
G06     58.0           10.7                4.5 +/-    2.13      12.2 +/-    2.13  0.030 / 0.030
G12     193.5          59.9                9.3 +/-    0.44      10.6 +/-    0.44  0.020 / 0.030
G20     207.9          12.1                1.6 +/-   14.61       4.3 +/-   14.61  0.160 / 0.560
G25     285.5          56.5                4.0 +/-    0.85       4.7 +/-    0.85  0.260 / 0.410
G29     312.5          33.5                4.3 +/-    1.09       7.0 +/-    1.09  0.250 / 0.230