PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/24-00:42:40
G08     268.5          19.3               12.4 +/-    3.19      27.9 +/-    3.19  0.030 / 0.020
G10     54.3           60.1               10.7 +/-    0.64      12.1 +/-    0.64  0.030 / 0.020
G11     312.4          16.6                7.6 +/-    2.30      18.2 +/-    2.30  0.160 / 0.390
G14     263.0          65.8               10.6 +/-    1.14      11.5 +/-    1.14  0.170 / 0.230
G18     88.9           38.2               10.4 +/-    1.32      15.5 +/-    1.32  0.150 / 0.270
G21     153.4          16.6               12.1 +/-    2.71      29.0 +/-    2.71  0.150 / 0.290
G24     41.5           13.5                8.3 +/-    3.39      21.3 +/-    3.39  0.080 / 0.120
G27     232.5          17.3               15.2 +/-    1.54      35.8 +/-    1.54  0.080 / 0.110
G31     180.6          25.4               13.8 +/-    0.83      26.7 +/-    0.83  0.150 / 0.190
G32     315.1          74.9               10.1 +/-    0.35      10.4 +/-    0.35  0.130 / 0.240