PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/17-00:13:10
G01     243.0          30.8                9.1 +/-    1.16      15.7 +/-    1.16  0.030 / 0.040
G03     313.6          50.0                4.4 +/-    1.79       5.5 +/-    1.79  0.030 / 0.030
G14     68.6           35.6                3.8 +/-    0.59       6.0 +/-    0.59  0.080 / 0.140
G16     163.9          22.3               10.3 +/-    1.89      21.4 +/-    1.89  0.080 / 0.130
G22     292.0          71.3                5.9 +/-    0.86       6.2 +/-    0.86  0.030 / 0.040
G23     291.8          22.9                5.6 +/-    1.59      11.5 +/-    1.59  0.020 / 0.040
G26     133.1          43.1               11.7 +/-    0.90      16.2 +/-    0.90  0.060 / 0.210
G31     39.2           54.4                3.9 +/-    0.38       4.7 +/-    0.38  0.060 / 0.250
G32     83.0           19.8                5.2 +/-    1.29      11.5 +/-    1.29  0.060 / 0.160