PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/29-14:57:30
G02     233.1          72.6               16.3 +/-    0.39      17.0 +/-    0.39  0.250 / 0.310
G05     175.7          11.2                2.4 +/-   26.20       6.5 +/-   26.20  0.300 / 0.320
G06     41.7           63.0               13.3 +/-    0.53      14.8 +/-    0.53  0.030 / 0.040
G12     321.4          48.5               12.1 +/-    0.50      15.5 +/-    0.50  0.030 / 0.050
G17     70.2           21.9               10.2 +/-    2.00      21.5 +/-    2.00  0.050 / 0.090
G19     56.0           38.9               12.3 +/-    1.28      18.2 +/-    1.28  0.050 / 0.090
G24     250.5          36.6               12.1 +/-    2.16      18.6 +/-    2.16  0.090 / 0.110
G25     316.3          12.3                3.8 +/-   20.77      10.1 +/-   20.77  0.070 / 0.110