PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/16-21:12:50
G01     320.9          10.6              -18.0 +/-   18.63     -49.6 +/-   18.63  0.170 / 0.350
G08     264.8          17.2               10.0 +/-    1.19      23.6 +/-    1.19  0.180 / 0.530
G10     64.0           58.1                8.2 +/-    0.84       9.5 +/-    0.84  0.210 / 0.290
G11     310.0          18.6                7.2 +/-    2.24      16.4 +/-    2.24  0.110 / 0.400
G14     273.5          67.9                7.9 +/-    0.56       8.5 +/-    0.56  0.050 / 0.190
G18     94.4           33.9                9.4 +/-    0.86      15.2 +/-    0.86  0.070 / 0.120
G24     39.4           9.7                 7.2 +/-    3.89      20.2 +/-    3.89  0.100 / 0.090
G27     229.0          14.0               10.9 +/-    1.80      27.8 +/-    1.80  0.040 / 0.050
G31     180.3          29.9               12.1 +/-    1.26      21.3 +/-    1.26  0.040 / 0.040
G32     338.7          73.5                8.2 +/-    0.57       8.5 +/-    0.57  0.030 / 0.020