PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/13-15:13:10
G02     37.9           51.4                7.8 +/-    0.76       9.7 +/-    0.76  0.040 / 0.050
G05     133.3          67.3                8.6 +/-    0.48       9.3 +/-    0.48  0.030 / 0.040
G06     58.5           9.5                 6.6 +/-    2.92      18.6 +/-    2.92  0.040 / 0.030
G12     189.2          57.5                9.4 +/-    0.56      11.0 +/-    0.56  0.030 / 0.030
G25     277.5          59.4               10.7 +/-    1.44      12.2 +/-    1.44  0.270 / 0.330
G29     312.8          33.8                6.1 +/-    1.06       9.8 +/-    1.06  0.150 / 0.290