PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/24-19:27:30
G02     228.7          67.2               53.1 +/-   18.06      57.0 +/-   18.06  0.200 / 0.350
G05     175.9          10.1               -7.4 +/-   25.35     -20.7 +/-   25.35  0.140 / 0.300
G06     42.8           62.7              -24.7 +/-   15.39     -27.4 +/-   15.39  0.110 / 0.300
G12     321.8          48.8               31.5 +/-   11.52      40.4 +/-   11.52  0.030 / 0.060
G17     68.9           22.8               -2.9 +/-    9.05      -6.1 +/-    9.05  0.030 / 0.050
G19     54.5           39.8              -62.4 +/-   41.20     -91.0 +/-   41.20  0.060 / 0.070
G24     252.7          37.6               -3.0 +/-    8.43      -4.6 +/-    8.43  0.050 / 0.090
G25     316.1          12.6                9.0 +/-    1.70      23.7 +/-    1.70  0.070 / 0.120