PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/29-16:43:00
G02     29.5           58.8               18.3 +/-    0.83      21.0 +/-    0.83  0.040 / 0.050
G05     151.8          57.1               17.3 +/-    0.69      20.2 +/-    0.69  0.040 / 0.060
G06     51.7           19.9               11.8 +/-    0.89      26.1 +/-    0.89  0.030 / 0.040
G12     207.0          71.8               13.6 +/-    1.12      14.2 +/-    1.12  0.030 / 0.040
G19     98.2           10.4               13.4 +/-    2.69      37.1 +/-    2.69  0.070 / 0.170
G20     198.0          22.9               15.3 +/-    1.70      31.5 +/-    1.70  0.070 / 0.150
G25     299.5          53.4               13.3 +/-    0.83      16.1 +/-    0.83  0.080 / 0.200
G29     307.0          29.2               13.4 +/-    2.87      23.9 +/-    2.87  0.080 / 0.200