PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-21:57:50
G01     319.3          16.8                7.7 +/-    1.65      18.3 +/-    1.65  0.030 / 0.030
G08     257.9          13.8               10.0 +/-    1.82      25.6 +/-    1.82  0.020 / 0.030
G10     76.9           54.7                6.9 +/-    0.70       8.2 +/-    0.70  0.060 / 0.080
G11     304.1          22.8                6.1 +/-    0.97      12.5 +/-    0.97  0.060 / 0.080
G14     295.2          70.8                9.2 +/-    0.59       9.7 +/-    0.59  0.050 / 0.050
G18     101.0          29.1                9.0 +/-    0.86      16.0 +/-    0.86  0.050 / 0.050
G31     179.4          37.4               11.7 +/-    1.51      17.7 +/-    1.51  0.100 / 0.200
G32     358.9          69.5                8.8 +/-    0.77       9.4 +/-    0.77  0.100 / 0.200