PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/14-23:27:40
G08     317.1          14.4                8.0 +/-    1.39      20.1 +/-    1.39  0.070 / 0.100
G10     310.2          55.3                7.3 +/-    0.61       8.6 +/-    0.61  0.060 / 0.110
G14     212.9          21.7               13.2 +/-    1.58      27.8 +/-    1.58  0.050 / 0.090
G15     45.5           20.9                7.0 +/-    1.32      15.0 +/-    1.32  0.040 / 0.080
G18     17.2           63.8                8.1 +/-    0.86       8.9 +/-    0.86  0.070 / 0.090
G20     78.1           11.9                9.5 +/-    1.93      25.5 +/-    1.93  0.050 / 0.100
G21     119.2          66.2               10.5 +/-    1.45      11.3 +/-    1.45  0.030 / 0.050
G24     89.0           29.4                9.4 +/-    0.79      16.7 +/-    0.79  0.040 / 0.040
G27     287.8          37.7               10.2 +/-    0.98      15.5 +/-    0.98  0.030 / 0.040
G32     215.7          38.4               13.2 +/-    0.78      19.7 +/-    0.78  0.030 / 0.040