PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-23:57:50
G02     34.1           54.6                9.2 +/-    0.97      11.0 +/-    0.97  0.040 / 0.030
G05     135.0          63.2               10.6 +/-    0.51      11.7 +/-    0.51  0.030 / 0.030
G06     54.6           14.3                8.2 +/-    2.85      20.6 +/-    2.85  0.030 / 0.030
G12     195.5          66.1               10.5 +/-    0.45      11.4 +/-    0.45  0.040 / 0.030
G19     100.2          10.8               12.2 +/-    1.80      33.4 +/-    1.80  0.150 / 0.250
G25     296.2          53.6               10.6 +/-    3.09      12.8 +/-    3.09  0.210 / 0.210
G29     307.4          27.6                9.3 +/-    2.22      17.1 +/-    2.22  0.060 / 0.050