PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/14-23:12:40
G08     321.3          10.3              -17.3 +/-   21.35     -48.0 +/-   21.35  0.080 / 0.140
G10     299.7          52.2                8.9 +/-    0.75      10.9 +/-    0.75  0.070 / 0.150
G14     210.7          15.4               16.3 +/-    3.11      40.0 +/-    3.11  0.070 / 0.110
G15     45.8           26.8                8.1 +/-    1.44      15.2 +/-    1.44  0.050 / 0.110
G18     2.8            65.6               10.0 +/-    0.35      10.9 +/-    0.35  0.080 / 0.070
G20     73.2           16.1                8.3 +/-    1.21      20.0 +/-    1.21  0.070 / 0.070
G21     104.9          71.5               11.2 +/-    0.78      11.7 +/-    0.78  0.030 / 0.050
G24     96.6           27.4               12.4 +/-    1.10      23.0 +/-    1.10  0.030 / 0.040
G27     296.2          36.0               12.1 +/-    1.71      18.8 +/-    1.71  0.030 / 0.050
G32     212.3          31.8               12.9 +/-    1.57      21.7 +/-    1.57  0.040 / 0.050